Mark A. Cappelli
Professor of Mechanical Engineering
Bio
Professor Cappelli is the author of over 100 papers in these areas. He is currently a member of the Editorial Board of Diamond Films and Technology. He is also secretary of the Electric Propulsion Technical Committee of the American Institute for Aeronautics and Astronautics.
Professional Education
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PhD, University of Toronto, Aerospace Science and Engineering (1987)
2014-15 Courses
- Introduction to Engineering Analysis
ENGR 10 (Spr) - Introductory Fluids Engineering
ME 70 (Win) - Physical Gas Dynamics
ME 362A (Aut) -
Independent Studies (12)
- Directed Research and Writing in Aero/Astro
AA 190 (Aut, Win, Spr, Sum) - Engineering Problems
ME 391 (Aut, Win, Spr, Sum) - Engineering Problems and Experimental Investigation
ME 191 (Aut, Win, Spr, Sum) - Experimental Investigation of Engineering Problems
ME 392 (Aut, Win, Spr, Sum) - Honors Research
ME 191H (Aut, Win, Spr, Sum) - Independent Study in Aero/Astro
AA 199 (Aut, Win, Spr, Sum) - Ph.D. Teaching Experience
ME 491 (Aut, Win, Spr, Sum) - Practical Training
AA 291 (Sum) - Practical Training
ME 299A (Aut, Win, Spr, Sum) - Practical Training
ME 299B (Aut, Win, Spr, Sum) - Problems in Aero/Astro
AA 290 (Aut, Win, Spr, Sum) - Senior Thesis Research
PHYSICS 205 (Aut, Win, Spr)
- Directed Research and Writing in Aero/Astro
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Prior Year Courses
2013-14 Courses
- Advanced Topics in Plasma Science and Engineering
ME 463 (Spr) - High Temperature Gasdynamics Laboratory Research Project Seminar
ME 390A (Spr) - Introduction to Engineering Analysis
ENGR 10 (Win, Sum) - Introductory Fluids Engineering
ME 70 (Aut)
2012-13 Courses
- High Temperature Gasdynamics Laboratory Research Project Seminar
ME 390A (Spr) - Introduction to Engineering Analysis
ENGR 10 (Spr, Sum) - Introductory Fluids Engineering
ME 70 (Win) - Physical Gas Dynamics
ME 362A (Aut)
2011-12 Courses
- High Temperature Gasdynamics Laboratory Research Project Seminar
ME 390A (Win, Spr) - Introduction to Engineering Analysis
ENGR 10 (Aut, Sum) - Introductory Fluids Engineering
ME 70 (Win) - Partially Ionized Plasmas and Gas Discharges
ME 363 (Spr)
- Advanced Topics in Plasma Science and Engineering
Journal Articles
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Ion dynamics in an E x B Hall plasma accelerator
APPLIED PHYSICS LETTERS
2015; 106 (4)
View details for DOI 10.1063/1.4907283
View details for Web of Science ID 000348996200080
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Ion Velocimetry Measurements and Particle-In-Cell Simulation of a Cylindrical Cusped Plasma Accelerator
IEEE TRANSACTIONS ON PLASMA SCIENCE
2015; 43 (1): 54-63
View details for DOI 10.1109/TPS.2014.2321743
View details for Web of Science ID 000347786300007
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Implementation of an Entropy Closure Model for 2-D Hybrid Hall Thruster Simulations
IEEE TRANSACTIONS ON PLASMA SCIENCE
2015; 43 (1): 5-11
View details for DOI 10.1109/TPS.2014.2304852
View details for Web of Science ID 000347786300002
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A 2-D Hybrid Hall Thruster Simulation That Resolves the E x B Electron Drift Direction
IEEE TRANSACTIONS ON PLASMA SCIENCE
2015; 43 (1): 86-94
View details for DOI 10.1109/TPS.2014.2356650
View details for Web of Science ID 000347786300010
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High-Velocity Neutral Plasma Jet Formed by Dense Plasma Deflagration
IEEE TRANSACTIONS ON PLASMA SCIENCE
2014; 42 (10): 2500-2501
View details for DOI 10.1109/TPS.2014.2332467
View details for Web of Science ID 000344548300088
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Successive laser-induced breakdowns in atmospheric pressure air and premixed ethane-air mixtures
COMBUSTION AND FLAME
2014; 161 (7): 1744-1751
View details for DOI 10.1016/j.combustflame.2013.12.029
View details for Web of Science ID 000337200700007
- Energetic neutral particle production in the cathode sheath of direct-current discharges
- SUPERSONIC INLET DUCT UNSTART INDUCED BY FUEL JET INJECTION
- FURTHER INVESTIGATIONS OF AN OPEN DRIFT HALL THRUSTER WITH BORON NITRIDE AND DIAMOND WALL
- A Kinetic Study of Electron-Wall Collisions in a Hall Thruster
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Time-synchronized continuous wave laser-induced fluorescence axial velocity measurements in a diverging cusped field thruster
JOURNAL OF PHYSICS D-APPLIED PHYSICS
2014; 47 (11)
View details for DOI 10.1088/0022-3727/47/11/115204
View details for Web of Science ID 000332761800008
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Experiments and simulations of an atmospheric pressure lossy dielectric barrier Townsend discharge
JOURNAL OF PHYSICS D-APPLIED PHYSICS
2014; 47 (8)
View details for DOI 10.1088/0022-3727/47/8/085202
View details for Web of Science ID 000331902900012
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Plasma Actuator Control of a Lifted Ethane Turbulent Jet Diffusion Flame
IEEE TRANSACTIONS ON PLASMA SCIENCE
2013; 41 (12): 3293-3298
View details for DOI 10.1109/TPS.2013.2277722
View details for Web of Science ID 000328701100015
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Induced Flow and Optical Emission Generated by a Pulsed 13.56 MHz-5 kHz Plasma Actuator
IEEE TRANSACTIONS ON PLASMA SCIENCE
2013; 41 (12): 3275-3278
View details for DOI 10.1109/TPS.2013.2279879
View details for Web of Science ID 000328701100012
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Dielectric Barrier Discharge-Induced Vortex Generation With Discharge-Actuated Boundary Layer Bleed
IEEE TRANSACTIONS ON PLASMA SCIENCE
2013; 41 (12): 3245-3253
View details for DOI 10.1109/TPS.2013.2278027
View details for Web of Science ID 000328701100009
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Studies on the stability limit extension of premixed and jet diffusion flames of methane, ethane, and propane using nanosecond repetitive pulsed discharge plasmas
COMBUSTION AND FLAME
2013; 160 (11): 2396-2403
View details for DOI 10.1016/j.combustflame.2013.05.023
View details for Web of Science ID 000324006400010
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A study of flow induced by laser induced breakdown-enhanced dielectric barrier discharges in air
APPLIED PHYSICS LETTERS
2013; 103 (16)
View details for DOI 10.1063/1.4825373
View details for Web of Science ID 000326148700101
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Surface discharge plasma actuator driven by a pulsed 13.56 MHz-5 kHz voltage waveform
JOURNAL OF PHYSICS D-APPLIED PHYSICS
2013; 46 (40)
View details for DOI 10.1088/0022-3727/46/40/405201
View details for Web of Science ID 000324861100014
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A Thomson-type mass and energy spectrometer for characterizing ion energy distributions in a coaxial plasma gun operating in a gas-puff mode
PHYSICS OF PLASMAS
2013; 20 (7)
View details for DOI 10.1063/1.4816028
View details for Web of Science ID 000322535400063
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Simulations of nanosecond-pulsed dielectric barrier discharges in atmospheric pressure air
JOURNAL OF APPLIED PHYSICS
2013; 113 (11)
View details for DOI 10.1063/1.4795269
View details for Web of Science ID 000316545200011
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Surface discharge plasma actuator driven by a pulsed 13.56 MHz–5 kHz voltage waveform
Journal of Physics D: Applied Physics
2013; 46 (40): 405201
View details for DOI 10.1088/0022-3727/46/40/405201
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Dielectric Barrier Discharge-Induced Vortex Generation With Discharge-Actuated Boundary Layer Bleed
Plasma Science, IEEE Transactions on
2013; 41 (12): 3245 - 3253
View details for DOI 10.1109/TPS.2013.2278027
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Plasma Actuator Control of a Lifted Ethane Turbulent Jet Diffusion Flame
Plasma Science, IEEE Transactions on
2013; 41 (12): 3293 - 3298
View details for DOI 10.1109/TPS.2013.2277722
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Spectroscopic imaging of self-organization in high power impulse magnetron sputtering plasmas
Applied Physics Letters
2013; 103 (5): 54104
View details for DOI 10.1063/1.4817257
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The manipulation of an unstarting supersonic flow by plasma actuator
JOURNAL OF PHYSICS D-APPLIED PHYSICS
2012; 45 (48)
View details for DOI 10.1088/0022-3727/45/48/485202
View details for Web of Science ID 000311148300009
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Optically pumped cesium plasma neutralization of space charge in photon-enhanced thermionic energy converters
APPLIED PHYSICS LETTERS
2012; 101 (21)
View details for DOI 10.1063/1.4767349
View details for Web of Science ID 000311477600075
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Time-synchronized continuous wave laser-induced fluorescence on an oscillatory xenon discharge
REVIEW OF SCIENTIFIC INSTRUMENTS
2012; 83 (11)
Abstract
A novel approach to time-synchronizing laser-induced fluorescence measurements to an oscillating current in a 60 Hz xenon discharge lamp using a continuous wave laser is presented. A sample-hold circuit is implemented to separate out signals at different phases along a current cycle, and is followed by a lock-in amplifier to pull out the resulting time-synchronized fluorescence trace from the large background signal. The time evolution of lower state population is derived from the changes in intensity of the fluorescence excitation line shape resulting from laser-induced fluorescence measurements of the 6s(')[1/2](1)(0)-6p(')[3/2](2) xenon atomic transition at ? = 834.68 nm. Results show that the lower state population oscillates at twice the frequency of the discharge current, 120 Hz.
View details for DOI 10.1063/1.4766958
View details for Web of Science ID 000312034400018
View details for PubMedID 23206061
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Plasma-assisted stabilization of laminar premixed methane/air flames around the lean flammability limit
COMBUSTION AND FLAME
2012; 159 (10): 3128-3137
View details for DOI 10.1016/j.combustflame.2012.03.023
View details for Web of Science ID 000308619100013
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Dielectric barrier discharge induced boundary layer suction
APPLIED PHYSICS LETTERS
2012; 100 (26)
View details for DOI 10.1063/1.4731288
View details for Web of Science ID 000305831500108
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Ion velocity and plasma potential measurements of a cylindrical cusped field thruster
JOURNAL OF APPLIED PHYSICS
2012; 111 (9)
View details for DOI 10.1063/1.4707953
View details for Web of Science ID 000304109900016
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Nanoparticle production in arc generated fireballs of granular silicon powder
AIP ADVANCES
2012; 2 (1)
View details for DOI 10.1063/1.3681283
View details for Web of Science ID 000302225400044
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A Simulation of the Effects of Varying Repetition Rate and Pulse Width of Nanosecond Discharges on Premixed Lean Methane-Air Combustion
Journal of Combustion
2012; 2012: 11
View details for DOI http://dx.doi.org/10.1155/2012/137653
- Laser-induced breakdown stabilization of non-premixed jet diffusion flames Bulletin of the American Physical Society 2012; 57 (8)
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The Structure of Nanosecond Repetitively Pulsed Spark Discharges in Air
IEEE TRANSACTIONS ON PLASMA SCIENCE
2011; 39 (11): 2258-2259
View details for DOI 10.1109/TPS.2011.2160656
View details for Web of Science ID 000299683400102
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The influence of boundary layers on supersonic inlet flow unstart induced by mass injection
EXPERIMENTS IN FLUIDS
2011; 51 (3): 679-691
View details for DOI 10.1007/s00348-011-1077-3
View details for Web of Science ID 000294347800009
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Laser-induced fluorescence velocity measurements of a diverging cusped-field thruster
JOURNAL OF PHYSICS D-APPLIED PHYSICS
2011; 44 (29)
View details for DOI 10.1088/0022-3727/44/29/295203
View details for Web of Science ID 000292383000011
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Visualizing supersonic inlet duct unstart using planar laser Rayleigh scattering
EXPERIMENTS IN FLUIDS
2011; 50 (6): 1651-1657
View details for DOI 10.1007/s00348-010-1028-4
View details for Web of Science ID 000291042300014
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On the quenching of excited electronic states of molecular nitrogen in nanosecond pulsed discharges in atmospheric pressure air
APPLIED PHYSICS LETTERS
2011; 98 (1)
View details for DOI 10.1063/1.3535986
View details for Web of Science ID 000286009800014
- Conditions and growth rate of Rayleigh instability in a Hall thruster under the effect of ion temperature Physical Review E 2011
- Experimental Study of Supersonic Inlet Flow Unstart Induced by Mass Injection Bulletin of the American Physical Society 2011
- Quenching of electronically excited states of molecular nitrogen in nanosecond repetitive pulsed discharges in atmospheric pressure air Bulletin of the American Physical Society 2011; 56 (15)
- Laminar lean premixed methane/air combustion near the lean flammability limit using nanosecond repetitive pulsed discharge plasmas Bulletin of the American Physical Society 2011
- Advanced Plasma Propulsion PRINCETON UNIV NJ 2011: 145
- Advanced Plasma Propulsion DTIC Document 2011
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Plasma assisted flame ignition of supersonic flows over a flat wall
COMBUSTION AND FLAME
2010; 157 (12): 2298-2305
View details for DOI 10.1016/j.combustflame.2010.07.006
View details for Web of Science ID 000283967300009
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Current distribution measurements inside an electromagnetic plasma gun operated in a gas-puff mode
PHYSICS OF PLASMAS
2010; 17 (12)
View details for DOI 10.1063/1.3526603
View details for Web of Science ID 000285770500069
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Plasma assisted cavity flame ignition in supersonic flows
COMBUSTION AND FLAME
2010; 157 (9): 1783-1794
View details for DOI 10.1016/j.combustflame.2010.03.009
View details for Web of Science ID 000280267700015
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On the role of fluctuations, cathode placement, and collisions on the transport of electrons in the near-field of Hall thrusters
PHYSICS OF PLASMAS
2010; 17 (9)
View details for DOI 10.1063/1.3479827
View details for Web of Science ID 000282439300032
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Dielectric barrier discharge control of a turbulent boundary layer in a supersonic flow
APPLIED PHYSICS LETTERS
2010; 97 (4)
View details for DOI 10.1063/1.3473820
View details for Web of Science ID 000281059200020
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Single particle simulations of electron transport in the near-field of Hall thrusters
JOURNAL OF PHYSICS D-APPLIED PHYSICS
2010; 43 (4)
View details for DOI 10.1088/0022-3727/43/4/045203
View details for Web of Science ID 000273551300009
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The role of in situ reforming in plasma enhanced ultra lean premixed methane/air flames
COMBUSTION AND FLAME
2010; 157 (2): 374-383
View details for DOI 10.1016/j.combustflame.2009.06.016
View details for Web of Science ID 000273702400018
- Laser-Induced Fluorescence Velocity Measurements of a Diverging Cusped Field Thruster J. Phys. D: Appl. Phys. 2010
- Poster session IThursday 9 December 2010, 08: 30-12: 30 P262 Diagnostic value of limited hand carried echocardiography in the coronary care unit 2010; 11 (2)
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Structure of laboratory ball lightning
PHYSICAL REVIEW E
2009; 80 (6)
Abstract
Trajectories of self-sustained laboratory ball lightning, generated by arc discharges with silicon, are investigated for understanding the possibility of buoyant flight. Extremely low apparent densities are found, nearly approaching that of standard air. The freely buoyant balls are observed to survive for about 0.1 s, with significantly buoyant balls surviving for several seconds. These ball lightning objects are found to have a density and size that can easily allow them to be carried by a gentle breeze of a few meters per second. The results are interpreted by a model that is an extension of that first proposed by Abrahamson and Dinniss [J. Abrahamson and J. Dinniss, Nature (London) 403, 519 (2000)]. The buoyant behavior of ball lightning seen in our experiments is believed to arise as a result of the formation of a nanoparticle oxide network growing from a molten silicon core.
View details for DOI 10.1103/PhysRevE.80.067401
View details for Web of Science ID 000273228000094
View details for PubMedID 20365306
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Energetic neutrals in the cathode sheath of argon direct-current discharges
JOURNAL OF APPLIED PHYSICS
2009; 106 (2)
View details for DOI 10.1063/1.3160329
View details for Web of Science ID 000268613000020
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Time and space-correlated plasma potential measurements in the near field of a coaxial Hall plasma discharge
PHYSICS OF PLASMAS
2009; 16 (7)
View details for DOI 10.1063/1.3155097
View details for Web of Science ID 000268615200058
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Electrostatic probe disruption of drift waves in magnetized microdischarges
APPLIED PHYSICS LETTERS
2009; 94 (21)
View details for DOI 10.1063/1.3132587
View details for Web of Science ID 000266500400009
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The Hall effect and rocket flight
PHYSICS TODAY
2009; 62 (4): 76-77
View details for Web of Science ID 000264991800022
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31st International Electric Propulsion Conference
IEPC Paper
2009
View details for DOI 10.2514/6.1990-2547
- Laser-Induced Fluorescence Velocity Measurements of a Low Power Cylindrical Hall Thruster DTIC Document 2009
- Predicting Electron Transport Using Simulated Axial Waves in a Radial-Axial Hybrid Hall Thruster Model Technical paper 2009
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Jet Flame Ignition in a Supersonic Crossflow Using a Pulsed Nonequilibrium Plasma Discharge
IEEE TRANSACTIONS ON PLASMA SCIENCE
2008; 36 (6): 2918-2923
View details for DOI 10.1109/TPS.2008.2005986
View details for Web of Science ID 000262061900007
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A Study of Plasma-Stabilized Diffusion Flames at Elevated Ambient Temperatures
IEEE TRANSACTIONS ON PLASMA SCIENCE
2008; 36 (6): 2898-2904
View details for DOI 10.1109/TPS.2008.2004345
View details for Web of Science ID 000262061900004
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Shear-Based Model for Electron Transport in Hybrid Hall Thruster Simulations
IEEE TRANSACTIONS ON PLASMA SCIENCE
2008; 36 (5): 2058-2068
View details for DOI 10.1109/TPS.2008.2004364
View details for Web of Science ID 000261363100011
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An analysis of millimetre-wave interferometry on Hall thruster plumes by finite difference time domain simulations
JOURNAL OF PHYSICS D-APPLIED PHYSICS
2008; 41 (18)
View details for DOI 10.1088/0022-3727/41/18/185205
View details for Web of Science ID 000258985500021
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A simple isentropic model of electron transport in Hall thrusters
JOURNAL OF PHYSICS D-APPLIED PHYSICS
2008; 41 (16)
View details for DOI 10.1088/0022-3727/41/16/162003
View details for Web of Science ID 000258221100003
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High speed images of drift waves and turbulence in magnetized microplasmas
IEEE TRANSACTIONS ON PLASMA SCIENCE
2008; 36 (4): 1228-1229
View details for DOI 10.1109/TPS.2003.927347
View details for Web of Science ID 000258618200184
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Optimal discharge placement in plasma-assisted combustion of a methane jet in cross flow
COMBUSTION AND FLAME
2008; 153 (4): 603-615
View details for DOI 10.1016/j.combustflame.2007.11.015
View details for Web of Science ID 000256319800009
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Cross-talk in multiple dielectric barrier discharge actuators
APPLIED PHYSICS LETTERS
2008; 92 (7)
View details for DOI 10.1063/1.2885085
View details for Web of Science ID 000253540500021
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Formation and role of cool flames in plasma-assisted premixed combustion
APPLIED PHYSICS LETTERS
2008; 92 (5)
View details for DOI 10.1063/1.2841894
View details for Web of Science ID 000253016500020
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Growth of resistive instabilities in ExB plasma discharge simulations
PHYSICS OF PLASMAS
2008; 15 (1)
View details for DOI 10.1063/1.2823033
View details for Web of Science ID 000252821500004
- Bismuth Hall thruster II: Simulated diagnostics Journal of Technical Physics 2008
- Role of Negative Ions and Crosstalk in DBD Flow Actuation Bulletin of the American Physical Society 2008
- Bismuth Hall thruster I: Simulation-suggested design and performance Journal of Technical Physics, J.Tech.Phys. 2008; 3–4 (49): 329–348
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Magnetized microdischarge plasmas in low pressure argon and helium
SECOND INTERNATIONAL SYMPOSIUM ON ATOMIC TECHNOLOGY
2008; 106
View details for DOI 10.1088/1742-6596/106/1/012020
View details for Web of Science ID 000259999900020
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On the role of oxygen in dielectric barrier discharge actuation of aerodynamic flows
APPLIED PHYSICS LETTERS
2007; 91 (18)
View details for DOI 10.1063/1.2803755
View details for Web of Science ID 000250643600025
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Simulating plasma-induced hall thruster wall erosion with a two-dimensional hybrid model
IEEE TRANSACTIONS ON PLASMA SCIENCE
2007; 35 (5): 1379-1387
View details for DOI 10.1109/TPS.2007.905943
View details for Web of Science ID 000250993200023
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Experimental characterization of a micro-hall thruster
JOURNAL OF PROPULSION AND POWER
2007; 23 (5): 1068-1074
View details for DOI 10.2514/1.27140
View details for Web of Science ID 000249671200021
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On the production of energetic neutrals in the cathode sheath of direct-current discharges
APPLIED PHYSICS LETTERS
2007; 90 (10)
View details for DOI 10.1063/1.2711416
View details for Web of Science ID 000244791700022
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Investigation of NO production and flame structure in plasma enhanced premixed combustion
PROCEEDINGS OF THE COMBUSTION INSTITUTE
2007; 31: 3319-3326
View details for DOI 10.1016/j.proci.2006.07.107
View details for Web of Science ID 000252858200189
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Bluff body flow separation control using surface dielectric barrier discharges
AIAA paper
2007
View details for DOI 10.2514/6.2007-939
- Preliminary Study of Arcjet Neutralization of Hall Thruster Clusters (Postprint) 2007
- Towards Reduced Wall Effect Hall Plasma Accelerators 2007
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Calculation of point defect parameters in diamond
Physical Review B
2007; 75 (17): 172107
View details for DOI 10.1103/PhysRevB.75.172107
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Plasma-discharge stabilization of jet diffusion flames
IEEE TRANSACTIONS ON PLASMA SCIENCE
2006; 34 (6): 2545-2551
View details for DOI 10.1109/TPS.2006.886084
View details for Web of Science ID 000242922800011
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Millimetre wave plasma interferometry in the near field of a Hall plasma accelerator
JOURNAL OF PHYSICS D-APPLIED PHYSICS
2006; 39 (21): 4582-4588
View details for DOI 10.1088/0022-3727/39/21/013
View details for Web of Science ID 000242476000015
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Nonintrusive characterization of the azimuthal drift current in a coaxial E x B discharge plasma
PHYSICAL REVIEW E
2006; 74 (5)
Abstract
A diagnostic is developed for the nonintrusive study of the azimuthal drift current in the coaxial ExB discharge of a Hall plasma accelerator. The technique of fast current interruption is used to generate a signal on several loop antenna that circle the outer wall of the discharge channel. The signal on the antenna is recorded, and used to determine the spatial distribution of the azimuthal drift at the moment of current interruption. The results of the experiment are compared to estimates derived via prior intrusive measurements, and the intrusive estimates are found to predict the spatial characteristics of the azimuthal drift, but underestimate its total magnitude. The self-induced magnetic field is then calculated and added to the applied magnetic field. The peak total magnetic field is seen to shift 2-5mm towards the anode due to self-induction, and suffer a reduction in magnitude of 10%-15%. The peak in the total magnetic field is then found to more closely coincide with the peak of the measured electric field than the peak of the vacuum magnetic field. It is concluded that the self-induced magnetic field could be important to anomalous electron mobility in the Hall-effect thruster, and simulation efforts should try to include its impact.
View details for DOI 10.1103/PhysRevE.74.056402
View details for Web of Science ID 000242408800038
View details for PubMedID 17279996
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Aerodynamic modification of flow over bluff objects by plasma actuation
EXPERIMENTS IN FLUIDS
2006; 41 (3): 479-486
View details for DOI 10.1007/s00348-006-0175-0
View details for Web of Science ID 000240058000011
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Low-power magnetized microdischarge ion source
APPLIED PHYSICS LETTERS
2006; 89 (6)
View details for DOI 10.1063/1.2335612
View details for Web of Science ID 000239690800028
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Comparison of hybrid Hall thruster model to experimental measurements
PHYSICS OF PLASMAS
2006; 13 (8)
View details for DOI 10.1063/1.2336186
View details for Web of Science ID 000240237700052
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Ion energy distribution and gas heating in the cathode fall of a direct-current microdischarge
PHYSICAL REVIEW E
2006; 73 (4)
Abstract
This paper reports on measurements of the ion energy distribution (IED) at the cathode of an argon dc microdischarge using energy-resolved molecular beam mass spectrometry. The measurements are conducted at a fixed pressure-electrode separation product (pd) of 1 cm Torr with a maximum discharge pressure of 20 Torr. The measured IED is compared to the theory of Davis and Vanderslice [W. D. Davis and T. A. Vanderslice, Phys. Rev. 131, 219 (1963)]. A higher pressure in a case of almost constant normalized current densities by pressure (Jp(-2) = 0.080+/-0.006 mA/cm(-2) Torr(-2)) yields a lower ratio of the ion mean free path to the sheath thickness. The results in almost constant Jp(-2) case then indicate that a scaling law of Jp(-2) is no longer applicable for IED of microdischarge. Expected background gaseous temperatures from IEDs with the collisional Child law have reasonable increasing with increased current density (J) in both cases of almost constant Jp(-2) and a constant pressure of 10 Torr. Supported by temperature measurement by laser absorption spectroscopy, it is demonstrated that the expanded theory might be applicable also to microdischarges (Ar approximately 20 Torr) with temperature adjusting.
View details for DOI 10.1103/PhysRevE.73.046401
View details for Web of Science ID 000237146800070
View details for PubMedID 16711933
- Millimeter Wave Plasma Interferometry in the Near Field of a Hall Plasma Accelerator (PREPRINT) DTIC Document 2006
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Further development of a micro Hall thruster
AIAA paper
2006
View details for DOI 10.2514/6.2006-4495
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Wall erosion in 2D Hall thruster simulations
AIAA Paper
2006
View details for DOI 10.2514/6.2006-4656
- Ultra-Low Power Stationary Plasma Thruster International Electric 2005
- Hall thruster with an external acceleration zone DTIC Document 2005
- Ion Velocity Measurements in a Linear Hall Thruster (Postprint) STANFORD UNIV CA DEPT OF MECHANICAL ENGINEERING 2005: 8
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Two-photon laser-induced fluorescence of atomic hydrogen in a diamond-depositing dc arcjet
Applied optics
2005; 44 (13): 6644-6652
View details for DOI 10.1364/AO.44.006644
- Hall Thruster With an External Acceleration Zone AIR FORCE RESEARCH LAB EDWARDS AFB CA SPACE AND MISSILE PROPULSION DIV 2005: 8
- Ion Velocity Measurements in a Linear Hall Thruster AIR FORCE RESEARCH LAB EDWARDS AFB CA PROPULSION DIRECTORATE 2005: 7
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Arcjet plasma neutralization of Hall thrusters, Part 1: Hybrid thruster mission analysis
JOURNAL OF SPACECRAFT AND ROCKETS
2004; 41 (6): 1016-1022
View details for Web of Science ID 000225846700014
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Arcjet neutralization of Hall thrusters, Part 2: Experimental demonstration
JOURNAL OF SPACECRAFT AND ROCKETS
2004; 41 (6): 1023-1030
View details for Web of Science ID 000225846700015
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Non-intrusive characterization of the hall thruster azimuthal drift current
AIAA Paper
2004
View details for DOI 10.2514/6.2004-3776
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Mechanism for anomalously high voltages in high-pressure dc microdischarge mixtures of He, Ne, and Xe
JOURNAL OF APPLIED PHYSICS
2003; 94 (3): 2145-2147
View details for DOI 10.1063/1.1590406
View details for Web of Science ID 000184400400130
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Optical measurements of plasma velocity and temperature in a low-rate, low-power LPPS system
SURFACE & COATINGS TECHNOLOGY
2003; 162 (1): 79-92
View details for Web of Science ID 000178898100011
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A simple program to determine the reaction rate and thermodynamic properties of reacting system
Journal of Molecular Structure: THEOCHEM
2003; 639 (1–3): 167–176
View details for DOI 10.1016/j.theochem.2003.08.006
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A Study of the Azimuthal Electron Drift in an E x B Discharge Using a Non-invasive Antenna Array
AIAA Paper
2003
View details for DOI 10.2514/6.2003-4854
- Effects of acetylsalicilate in post calving dairy cows FREQUENCY: Annual 2003
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Kinetic and surface mechanisms to growth of hexagonal boron nitride
SURFACE ENGINEERING 2002-SYNTHESIS, CHARACTERIZATION AND APPLICATIONS
2003; 750: 313-318
View details for Web of Science ID 000183595500050
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Laser-induced-fluorescence characteristics of a helium arcjet flow
APPLIED PHYSICS B-LASERS AND OPTICS
2002; 75 (6-7): 717-722
View details for DOI 10.1007/s00340-002-1050-1
View details for Web of Science ID 000180587100017
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Kinetic study of wall collisions in a coaxial Hall discharge
PHYSICAL REVIEW E
2002; 66 (3)
Abstract
Coaxial Hall discharges (also known as Hall thrusters, stationary plasma thrusters, and closed-drift accelerators) are cross-field plasma sources under development for space propulsion applications. The importance of the electron-wall interaction to the Hall discharge operation is studied the through analysis of experimental data and simulation of the electron energy distribution function (EEDF) inside the discharge channel. Experimental time-average plasma property data from a laboratory Hall discharge are used to calculate the electron conductivity and to estimate the rate of wall-loss collisions. The electron Boltzmann equation is then solved in the local field limit, using the experimental results as inputs. The equation takes into account ionization and wall collisions, including secondary electrons produced at the wall. Local electron balances are used to calculate the sheath potential at the insulator walls. Results show an EEDF depleted at high energy due to electron loss to the walls. The calculated EEDFs agree well with experimental electron temperature data when the experimentally determined effective collision frequency is used for electron momentum transport. The electron wall-loss and wall-return frequencies are extremely low compared to those predicted by a Maxwellian of equal average energy. The very low frequency of wall collisions suggests that secondary electrons do not contribute to cross-field transport. This conclusion holds despite significant experimental uncertainty.
View details for DOI 10.1103/PhysRevE.66.036401
View details for Web of Science ID 000178624400015
View details for PubMedID 12366261
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Ion beam dynamics in a linear Hall discharge
IEEE TRANSACTIONS ON PLASMA SCIENCE
2002; 30 (1): 138-139
View details for Web of Science ID 000175845900068
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Interior and exterior laser-induced fluorescence and plasma measurements within a Hall thruster
JOURNAL OF PROPULSION AND POWER
2002; 18 (1): 159-168
View details for Web of Science ID 000173577200019
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A characterization of plasma fluctuations within a hall discharge
IEEE TRANSACTIONS ON PLASMA SCIENCE
2001; 29 (4): 582-591
View details for Web of Science ID 000170571500003
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Laser-induced fluorescence measurements of velocity within a Hall discharge
APPLIED PHYSICS B-LASERS AND OPTICS
2001; 72 (8): 961-969
View details for Web of Science ID 000169039800011
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Mass spectrometric and Langmuir probe measurements in inductively coupled plasmas in Ar, CHF3/As and CHF3/Ar/O-2 mixtures
PLASMA SOURCES SCIENCE & TECHNOLOGY
2001; 10 (2): 191-204
View details for Web of Science ID 000169258200009
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Parametric study of the vacuum ultraviolet emission and electrical characteristics of a He-Xe microdischarge
JOURNAL OF APPLIED PHYSICS
2001; 89 (9): 4719-4726
View details for Web of Science ID 000168130100006
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Stability of a magnetized Hall plasma discharge
JOURNAL OF APPLIED PHYSICS
2001; 89 (6): 3099-3107
View details for Web of Science ID 000167248100005
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Anomalous electron mobility in a coaxial Hall discharge plasma
PHYSICAL REVIEW E
2001; 63 (2)
Abstract
A comprehensive analysis of measurements supporting the presence of anomalous cross-field electron mobility in Hall plasma accelerators is presented. Nonintrusive laser-induced fluorescence measurements of neutral xenon and ionized xenon velocities, and various electrostatic probe diagnostic measurements are used to locally determine the effective electron Hall parameter inside the accelerator channel. These values are then compared to the classical (collision-driven) Hall parameters expected for a quiescent magnetized plasma. The results indicate that in the vicinity of the anode, where there are fewer plasma instabilities, the electron-transport mechanism is likely elastic collisions with the background neutral xenon. However, we find that in the vicinity of the discharge channel exit, where the magnetic field is the strongest and where there are intense fluctuations in the plasma properties, the inferred Hall parameter departs from the classical value, and is close to the Bohm value of (omega(ce)tau)(eff) approximately 16. These results are used to support a simple model for the Hall parameter that is based on the scalar addition of the electron collision frequencies (elastic collision induced plus fluctuation induced), as proposed by Boeuf and Garrigues [J. Appl. Phys. 84, 3541 (1998)]. The results also draw attention to the possible role of fluctuations in enhancing electron transport in regions where the electrons are highly magnetized.
View details for Web of Science ID 000167022500062
View details for PubMedID 11308588
- Advanced Optical and Electrostatic Characterization of Closed-Electron Drift Thrusters 2001
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Internal plasma potential profiles in a laboratory-model Hall thruster
Physics of Plasmas
2001; 8 (2): 652
View details for DOI 10.1063/1.1338535
- A 90 GHz Phase-Bridge Interferometer for Plasma Density Measurements In the Near Field of a Hall Thruster 2001
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Doppler-free absorption measurements of Stark broadening in a flowing hydrogen plasma
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER
2000; 66 (4): 343-361
View details for Web of Science ID 000087091600003
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Methyl concentration measurements during microwave plasma-assisted diamond deposition
PLASMA CHEMISTRY AND PLASMA PROCESSING
2000; 20 (1): 1-12
View details for Web of Science ID 000086551300001
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Raman scattering measurements of molecular hydrogen in a low-density, arc-heated plasma
APPLIED PHYSICS B-LASERS AND OPTICS
2000; 70 (3): 419-427
View details for Web of Science ID 000088307800016
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A low-power, linear-geometry Hall plasma source with an open electron-drift
PLASMA SOURCES SCIENCE & TECHNOLOGY
2000; 9 (1): 68-76
View details for Web of Science ID 000085585100011
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Vacuum emission and breakdown characteristics of a planar He-Xe microdischarge
APPLIED PHYSICS LETTERS
2000; 76 (5): 544-546
View details for Web of Science ID 000084938700008
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Characterization and dielectric properties of fluorinated amorphous carbon measured by capacitance-voltage response and spectroscopic ellipsometry
AMORPHOUS AND NANOSTRUCTURED CARBON
2000; 593: 341-346
View details for Web of Science ID 000089239300053
- A Linear Stability Analysis of a Magnetized Hall Plasma Discharge American Physical Society, 42nd Annual Meeting of the APS Division of Plasma Physics combined with the 10th International Congress on Plasma Physics October 23 - 27, 2000 Québec City, Canada Meeting ID: DPP00 2000
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Preparation of high quality transparent chemical vapor deposition diamond films by a DC arc plasma jet method
Diamond and Related Materials
2000; 9 (9–10): 1678–1681
View details for DOI http://dx.doi.org/10.1016/S0925-9635(00)00311-3
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Megahertz pulse-burst laser and visualization of shock-wave/boundary-layer interaction
AIAA journal
2000; 38 (4): 672-679
View details for DOI 10.2514/2.1009
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Hall thruster with absorbing electrodes
AIAA paper
2000
View details for DOI 10.2514/6.2000-3659
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Influence of experiment parameters on the growth of cBN films by bias-assisted direct current jet plasma chemical vapor deposition
Journal of Materials Research
2000; 15 (12): 2677-2683
View details for DOI 10.1557/JMR.2000.0385 (About DOI)
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Flow characterization of a diamond-depositing dc arcjet by laser-induced fluorescence
Applied Optics
2000; 39 (21): 3704-3711
View details for DOI 10.1364/AO.39.003704
- Vacuum ultraviolet emission and metastable state properties of DC microdischarges Plasma Science, 2000. ICOPS 2000 2000
- Characterization of Inert Gas Plasma Thrusters 2000
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Electrohydrodynamic flow control with a glow-discharge surface plasma
AIAA journal
2000; 38 (7): 1166-1172
View details for DOI 10.2514/2.1110
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Model predictions versus experiments: CH3 radical density profiles in diamond deposition microwave plasma reactor
DIAMOND MATERIALS VI
2000; 99 (32): 41-52
View details for Web of Science ID 000089239900005
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Ion energy and momentum flux dependence of diamond-like carbon film synthesis in radio frequency discharges
SURFACE & COATINGS TECHNOLOGY
1999; 114 (2-3): 224-229
View details for Web of Science ID 000080808500015
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Coherent structures in crossed-field closed-drift Hall discharges
IEEE TRANSACTIONS ON PLASMA SCIENCE
1999; 27 (1): 96-97
View details for Web of Science ID 000080369700047
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In situ plasma analysis, fluorine incorporation, thermostability, stress, and hardness comparison of fluorinated amorphous carbon and hydrogenated amorphous carbon thin films deposited on Si by plasma enhanced chemical vapor deposition
LOW-DIELECTRIC CONSTANT MATERIALS V
1999; 565: 285-290
View details for Web of Science ID 000085482500035
- Anomalous Transport in Closed-Drift Hall Discharges American Physical Society, 41st Annual Meeting of the Division of Plasma Physics 1999
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LIF measurements of a low-power helium arcjet
Plasma Science, 1999. ICOPS'99.
1999
View details for DOI 10.1109/PLASMA.1999.829653
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Bonding modifications in carbon nitride films induced by thermal annealing: An x-ray absorption near edge study
Applied physics Letters
1999; 74 (18): 2620 - 2622
View details for DOI http://dx.doi.org/+10.1063/1.123916
- Synthesis and characterization of nanocrystalline boron nitride Journal of Solid State Chemistry 1999; 148 (2): 325–328
- Laser-Induced Fluorescence Measurements within a Laboratory Hall Thruster (Postprint) 1999
- Interior and Exterior Laser-Induced Fluorescence and Plasma Potential Measurements on a Laboratory Hall Thruster (Postprint) DTIC Document 1999
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The structure of an expanding hydrogen arcjet plasma
PHYSICS OF PLASMAS
1998; 5 (12): 4488-4497
View details for Web of Science ID 000077031000047
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Competing surface oxidation reactions during diamond synthesis in low pressure flames
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS
1998; 37 (11): 6223-6228
View details for Web of Science ID 000077648000079
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Temperature measurements in low-pressure, diamond-forming, premixed flames
JOURNAL OF APPLIED PHYSICS
1998; 84 (8): 4595-4602
View details for Web of Science ID 000076185100083
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Arcjet nozzle flow-field characterization by laser-induced fluorescence
APPLIED OPTICS
1998; 37 (3): 486-495
Abstract
Laser-induced fluorescence of the Balmer-alpha (H(alpha)) transition of atomic hydrogen was performed within the nozzle of a 1-kW class radiatively cooled arcjet thruster operating on hydrogen and synthesized-hydrazine propellants. Axial velocities were determined from the Doppler shift of the H(alpha) line center relative to a stationary reference, whereas translational temperatures and electron number densities were determined from a line-shape analysis of the H(alpha) transition. The results are compared with a numerical model and indicate excellent agreement with the velocities, as well as temperatures near the nozzle exit. There are discrepancies, however, in the temperatures far upstream of the exit and in the electron densities, suggesting needed improvements in the modeling of the recombination chemistry.
View details for Web of Science ID 000071501400013
View details for PubMedID 18268611
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Downshift of Raman peak in diamond powders
Journal of Materials Research
1998; 13 (7): 1974-1976
View details for DOI http://dx.doi.org/10.1557/JMR.1998.0277 (About DOI)
- Laser Induced Fluorescence Measurements on a Laboratory Hall Thruster (Postprint) stormingmedia.us 1998: 12
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Thyroid hormone regulation of MHC isoform composition and myofibrillar ATPase activity in rat skeletal muscles
Archives of physiology and Biochemistry
1998; 106 (4): 308-315
View details for DOI 10.1076/apab.106.4.308.4373
- Diagnostics of Plasma Propulsion Devices American Physical Society, Division of Plasma Physics Meeting 1998
- Oscillatory Behavior in Closed-Drift Hall Plasma Discharges American Physical Society, Division of Plasma Physics Meeting 1998
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Quantitative two-photon laser-induced fluorescence of hydrogen atoms in a 1 kW arcjet thruster
Applied Physics B: Lasers and Optics
1998; 67 (2): 193-205
View details for DOI 10.1007/s003400050493
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Main physical features and processes determining the performance of stationary plasma thrusters
Journal of Propulsion and Power
1998; 14 (5): 736-743
View details for DOI 10.2514/2.5335
- The neutrophil: one of the cellular targets of interleukin-10 International Journal of Clinical and Laboratory Research 1998
- 2D simulations of Hall thrusters CTR Annual Research Briefs 1998
- Laser Induced Fluorescence Measurements on a Laboratory Hall Thruster (Postprint) 1998
- Fundamental Studies of the Electrode Regions in Arcjet Thrusters 1998
- Langmuir Probe Measurements in an Inductively Coupled GEC Reference Cell Plasma APS Meeting Abstracts 1998
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Plasma-jet deposition of diamond
TG Owano - Low-Pressure Synthetic Diamond
1998: 59-84
View details for DOI 10.1007/978-3-642-71992-9_4
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Near-edge X-ray absorption fine structure spectroscopy of arcjet-deposited cubic boron nitride
DIAMOND AND RELATED MATERIALS
1997; 6 (12): 1883-1886
View details for Web of Science ID A1997YG13600021
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Laser-induced fluorescence study of a xenon Hall thruster
APPLIED PHYSICS B-LASERS AND OPTICS
1997; 65 (4-5): 459-469
View details for Web of Science ID A1997YA61300005
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Low energy ion impact-enhanced growth of cubic boron nitride in a supersonic nitrogen/argon plasma flow
JOURNAL OF MATERIALS RESEARCH
1997; 12 (8): 2014-2026
View details for Web of Science ID A1997XQ27800009
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Arcjet plasma enhanced vapor phase epitaxy of GaN
MATERIALS LETTERS
1997; 31 (3-6): 161-164
View details for Web of Science ID A1997XF56700001
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CH3 detection in a low-density supersonic arcjet plasma during diamond synthesis
APPLIED PHYSICS LETTERS
1997; 70 (8): 1052-1054
View details for Web of Science ID A1997WJ62600046
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Monte Carlo simulation of nonequilibrium flow in a low-power hydrogen arcjet
Physics of Fluids
1997; 9 (10): 3086
View details for DOI http://dx.doi.org/10.1063/1.869474
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Low-temperature deposition of optically transparent diamond using a low-pressure flat flame
Diamond and related materials
1997; 6 (12): 1862–1867
View details for DOI 10.1016/S0925-9635(97)00155-6
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Reactions of hydrocarbons in a supersonic vacuum plasma jet
Plasma Chemistry and Plasma Processing
1997; 17 (2): 107-121
View details for DOI 10.1007/BF02766810
- A study of a Low Power Hall thruster transient Behavior International Electric 1997
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CH3 detection in a low-density supersonic arcjet plasma during diamond synthesis
Applied physics letters
1997; 70 (8): 1052 - 1054
View details for DOI 10.1063/1.118439
- The Stability of Arc Attachment in Arcjet Propulsion Devices. STANFORD UNIV CA DEPT OF MECHANICAL ENGINEERING 1997: 93
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JMR Abstracts
Abstracts for August 1997 Journal of Materials Research
1997; 22 (6): 64-70
View details for DOI http://dx.doi.org/10.1557/S0883769400033686
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Radiative emission analysis of an expanding hydrogen arc plasma .1. Arc region diagnostics through axial emission
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER
1996; 56 (6): 901-918
View details for Web of Science ID A1996WA55600008
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Radiative emission analysis of an expanding hydrogen arc plasma .2. Plume region diagnostics through radial emission
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER
1996; 56 (6): 919-932
View details for Web of Science ID A1996WA55600009
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Interior plasma diagnostics of arcjet thrusters
JOURNAL OF PROPULSION AND POWER
1996; 12 (6): 1070-1076
View details for Web of Science ID A1996VT42600010
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Stark broadening corrections to laser-induced fluorescence temperature measurements in a hydrogen arcjet plume
APPLIED OPTICS
1996; 35 (24): 4913-4918
Abstract
Laser-induced fluorescence of the H(?) transition of atomic hydrogen has previously been performed in the plume of a hydrogen arcjet thruster. Measurements of plasma velocity and temperature, based on the Doppler shift and broadening of the H(?) line shape, were previously published [Appl. Opt. 32, 6117 (1993)]. In that paper the Stark broadening of the H(?) transition was estimated from static-ion calculations performed in the early 1970's and found to be negligible in comparison with the Doppler broadening. However, more recent dynamic-ion calculations have shown the Stark broadening to be considerably larger than was previously assumed, resulting in inaccurate temperature measurements. We present a reanalysis of the fluorescence data, taking into account the improved Stark broadening calculations. The correct atomic hydrogen translation temperature and electron number density are obtained from the Doppler and Stark broadening components of the measured line shape. The results indicate a substantial drop in temperature from those previously reported.
View details for Web of Science ID A1996VC32000030
View details for PubMedID 21102917
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Laser-induced fluorescence measurements of resonance broadening in xenon
PHYSICAL REVIEW A
1996; 54 (1): 335-342
View details for Web of Science ID A1996UX03400038
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Cubic boron nitride synthesis in low-density supersonic plasma flows
APPLIED PHYSICS LETTERS
1996; 68 (19): 2711-2713
View details for Web of Science ID A1996UJ08900037
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Fluorescence velocity measurements in the interior of a hydrogen arcjet nozzle
AIAA JOURNAL
1996; 34 (4): 853-855
View details for Web of Science ID A1996UC61100031
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Titanium-containing hydrofluoric acid pretreatment for aluminum chemical vapor deposition
Thin solid films
1996; 280 (1–2): 142–146
View details for DOI 10.1016/0040-6090(95)08207-7
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LIF characterization of arcjet nozzle flows
AIAA Paper
1996
View details for DOI 10.2514/6.1996-2987
- Plasma and Cathode Emission from a High Power Hydrogen Arcjet Thruster 1996
- Plasma and Cathode Emission from a High Power Hydrogen Arcjet Thruster DTIC Document 1996
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DIAMOND FILM SYNTHESIS IN LOW-PRESSURE PREMIXED METHANE-OXYGEN FLAMES
APPLIED PHYSICS LETTERS
1995; 67 (8): 1081-1083
View details for Web of Science ID A1995RQ00200013
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AN EXPERIMENTAL-STUDY OF THE TEMPERATURE AND STOICHIOMETRY DEPENDENCE OF DIAMOND GROWTH IN LOW-PRESSURE FLAT FLAMES
JOURNAL OF MATERIALS RESEARCH
1995; 10 (1): 149-157
View details for Web of Science ID A1995PY82100021
- Fundamental Studies of the Near-Electrode Regions in Arcjet Thrusters. 1995
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Correlations between Raman scattering and thermal expansion behavior for CVD and natural diamond
Thin Solid Films
1995; 259 (1): 14–17
View details for DOI 10.1016/0040-6090(94)06442-3
- Emission spectroscopy diagnostics of a dc plasma jet diamond reactor Diamond and Related Materials 1995; 4 (4): 350–356
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Computational study of collisional energy transfer and quasi-continuous population inversions in laser-pumped Ca vapor
Applied Physics B
1995; 61 (6): 559-568
View details for DOI 10.1007/BF01091214
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NUMERICAL AND EXPERIMENTAL INVESTIGATIONS OF LOW-DENSITY SUPERSONIC JETS OF HYDROGEN
JOURNAL OF FLUID MECHANICS
1994; 280: 41-67
View details for Web of Science ID A1994QA08600002
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DIAMOND FILM GROWTH IN LOW-PRESSURE PREMIXED ETHYLENE-OXYGEN FLAMES
APPLIED PHYSICS LETTERS
1994; 65 (22): 2786-2788
View details for Web of Science ID A1994PU40400010
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2ND-ORDER RAMAN-SCATTERING IN DIAMOND UP TO 1900 K
PHYSICAL REVIEW B
1994; 49 (5): 3213-3216
View details for Web of Science ID A1994MW34900029
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Second-order Raman scattering in diamond up to 1900 K
Physical Review B
1994; 49 (5): 3213–3216
View details for DOI 10.1103/PhysRevB.49.3213
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In-situ mass sampling during supersonic arcjet synthesis of diamond
Diamond and Related Materials
1994; 3 (4–6): 417–421
View details for DOI http://dx.doi.org/10.1016/0925-9635(94)90195-3
- High-temperature chemistry of CVD (chemical vapor deposition) diamond growth Pure and applied chemistry 1994
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A MULTI-FLUID STAGNATION-FLOW PLASMA MODEL WITH SELF-CONSISTENT TREATMENT OF THE COLLISIONAL SHEATH
IEEE TRANSACTIONS ON PLASMA SCIENCE
1993; 21 (6): 768-777
View details for Web of Science ID A1993MQ94100019
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LASER-INDUCED FLUORESCENCE DIAGNOSTIC FOR TEMPERATURE AND VELOCITY-MEASUREMENTS IN A HYDROGEN ARCJET PLUME
APPLIED OPTICS
1993; 32 (30): 6117-6127
Abstract
A diagnostic has been developed to measure velocity and translational temperature in the plume of a 1-kW-class arcjet thruster operating on hydrogen. Laser-induced fluorescence with a narrow-band cw laser is used to probe the Balmer ? transition of excited atomic hydrogen. The velocity is determined from the Doppler shift of the fluorescence excitation spectrum, whereas the temperature is inferred from the lineshape. Analysis shows that although Doppler broadening is the only significant broadening mechanism, the fine structure of the transition must be taken into account. Near the exit plane, axial velocities vary from 4 to 14 km/s, radial velocities vary from 0 to 4 km/s, and swirl velocities are shown to be relatively small. Temperatures from 1000 to 5000 K indicate high dissociation fractions.
View details for Web of Science ID A1993MC05300035
View details for PubMedID 20856439
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TEMPERATURE-DEPENDENCE OF THE CUBIC BORON-NITRIDE RAMAN LINES
PHYSICAL REVIEW B
1993; 47 (21): 14193-14199
View details for Web of Science ID A1993LF72900029
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2 PRECURSOR MODEL FOR LOW-PRESSURE CHEMICAL-VAPOR-DEPOSITION OF SILICON DIOXIDE FROM TETRAETHYLORTHOSILICATE
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B
1993; 11 (3): 720-726
View details for Web of Science ID A1993LH22800029
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2-TEMPERATURE FLUID MODEL FOR HIGH-PRESSURE PLASMAS IN CONTACT WITH COOLED ELECTRODES
JOURNAL OF APPLIED PHYSICS
1993; 73 (7): 3172-3182
View details for Web of Science ID A1993KV03100009
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THE NONEQUILIBRIUM REGION OF AN ELECTRODE IN CONTACT WITH A FLOWING THERMAL PLASMA
IEEE TRANSACTIONS ON PLASMA SCIENCE
1993; 21 (1): 194-201
View details for Web of Science ID A1993LD70900027
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Diamond deposition from an Ar CCl< sub> 4</sub> H< sub> 2</sub> plasma jet at 13.3 kPa
Diamond and Related Materials
1993; 2 (2–4): 342–346
View details for DOI 10.1016/0925-9635(93)90079-H
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Thin films in the integrated circuit industry: requirements and deposition methods
Thin Solid Films
1993; 228 (1–2): 1–11
View details for DOI 10.1016/0040-6090(93)90552-Z
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AI ANS A El AS MU AS EE 29th Joint Propulsion
Characterization of a supersonic hydrogen arcjet plasma thruster employed in diamond film synthesis
1993
View details for DOI 10.2514/6.1993-2227
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A comparison of arcjet plume properties to model predictions
AIAA Paper
1993
View details for DOI 10.2514/6.1993-820
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Temperature dependence of the cubic boron nitride Raman lines
Physical Review B
1993; 47 (21): 14193–14199
View details for DOI 10.1103/PhysRevB.47.14193
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Two precursor model for low‐pressure chemical vapor deposition of silicon dioxide from tetraethylorthosilicate
Journal of Vacuum Science & T
1993; 11 (3): 720 - 726
View details for DOI 10.1116/1.586778
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Computational simulation of diamond chemical vapor deposition in premixed C< sub> 2</sub> H< sub> 2</sub>/O< sub> 2</sub>/H< sub> 2</sub> and CH4O2- flames
Combustion and flame
1993; 1–2 (92): 144–160
View details for DOI http://dx.doi.org/10.1016/0010-2180(93)90204-G
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Diamond deposition with Ar CO< sub> 2</sub> CH< sub> 4</sub> H< sub> 2</sub> plasma jets
Diamond and Related Materials
1993; 2 (2–4): 337–341
View details for DOI http://dx.doi.org/10.1016/0925-9635(93)90078-G
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Production and characterization of dc and hf plasma jet diamond films
Diamond and Related Materials
1993; 2 (2–4): 468–475
View details for DOI 10.1016/0925-9635(93)90102-8
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Aerosol doping of flame-grown diamond films
Diamond and Related Materials
1993; 2 (5–7): 1078–1082
View details for DOI 10.1016/0925-9635(93)90276-8
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Laser-induced fluorescence temperature measurements in a dc arcjet used for diamond deposition
Applied optics
1993; 32 (24): 4629-4635
View details for DOI 10.1364/AO.32.004629
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Two‐temperature fluid model for high‐pressure plasmas in contact with cooled electrodes
Journal of applied physics
1993; 73 (7): 3172 - 3182
View details for DOI 10.1063/1.352961
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A MODEL OF DIAMOND GROWTH IN LOW-PRESSURE PREMIXED FLAMES
JOURNAL OF APPLIED PHYSICS
1992; 72 (11): 5461-5466
View details for Web of Science ID A1992KA93200066
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DEVELOPMENT OF DESIGN RULES FOR RELIABLE TUNGSTEN PLUGS USING SIMULATIONS
30TH ANNUAL PROCEEDINGS : RELIABILITY PHYSICS 1992
1992: 8-10
View details for Web of Science ID A1992BW01T00003
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Evaluation of diamond films by nuclear magnetic resonance and Raman spectroscopy
Diamond and Related Materials
1992; 1 (12): 1145–1155
View details for DOI http://dx.doi.org/10.1016/0925-9635(92)90088-6
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A method to estimate local deposition conditions using film profiles in features
Thin solid films
1992; 220 (1–2): 19–23
View details for DOI 10.1016/0040-6090(92)90542-J
- Temperature measurement by observation of the Raman spectrum of diamond Applied spectroscopy 1992; 46 (2): 375-37
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Improved uniformity and selected area deposition of diamond by the oxy-acetylene flame method
Journal of materials research
1992; 7 (8): 2144-2150
View details for DOI 10.1557/JMR.1992.2144 (About DOI)
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First-order Raman scattering in homoepitaxial chemical vapor deposited diamond at elevated temperatures
Thin Solid Films
1992; 212 (1–2): 206–215
View details for DOI http://dx.doi.org/10.1016/0040-6090(92)90522-D
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The laser ablation of gold films at the electrode surface of a quartz crystal microbalance
Applied surface science
1992; 62 (4): 281–285
View details for DOI 10.1016/0169-4332(92)90370-D
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A 3-DIMENSIONAL MODEL FOR LOW-PRESSURE CHEMICAL-VAPOR-DEPOSITION STEP COVERAGE IN TRENCHES AND CIRCULAR VIAS
JOURNAL OF APPLIED PHYSICS
1991; 70 (11): 7137-7140
View details for Web of Science ID A1991GU04900074
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1ST-ORDER RAMAN-SPECTRUM OF DIAMOND AT HIGH-TEMPERATURES
PHYSICAL REVIEW B
1991; 43 (14): 11740-11744
View details for Web of Science ID A1991FM46300021
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HIGH-TEMPERATURE RAMAN-SCATTERING BEHAVIOR IN DIAMOND
DIAMOND OPTICS IV
1991; 1534: 158-168
View details for Web of Science ID A1991BU90M00015
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First-order Raman spectrum of diamond at high temperatures
Physical Review B
1991; 43 (14): 11740–11744
View details for DOI 10.1103/PhysRevB.43.11740
- Optical diagnostics of a low power hydrogen arcjet International Electric 1991
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DIAMOND SYNTHESIS IN A 50 KW INDUCTIVELY COUPLED ATMOSPHERIC-PRESSURE PLASMA TORCH
PLASMA PROCESSING AND SYNTHESIS OF MATERIALS III
1991; 190: 131-136
View details for Web of Science ID A1991BT70A00020
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DIAMOND SYNTHESIS IN A 50-KW INDUCTIVELY COUPLED ATMOSPHERIC-PRESSURE PLASMA TORCH
NEW DIAMOND SCIENCE AND TECHNOLOGY
1991: 497-502
View details for Web of Science ID A1991BU83N00072
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ON THE DEVELOPMENT OF INSITU RAMAN ANALYSIS FOR PLASMA DEPOSITED DIAMOND
NEW DIAMOND SCIENCE AND TECHNOLOGY
1991: 225-231
View details for Web of Science ID A1991BU83N00031
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HIGH GROWTH-RATE DIAMOND SYNTHESIS IN A LARGE AREA ATMOSPHERIC-PRESSURE INDUCTIVELY COUPLED PLASMA
JOURNAL OF MATERIALS RESEARCH
1990; 5 (11): 2326-2333
View details for Web of Science ID A1990EH57600008
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LASER-INDUCED FLUORESCENCE IMAGING OF LASER-ABLATED BARIUM
APPLIED PHYSICS LETTERS
1990; 56 (18): 1715-1718
View details for Web of Science ID A1990DB07100001
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AN INVESTIGATION OF DIAMOND FILM DEPOSITION IN A PREMIXED OXYACETYLENE FLAME
JOURNAL OF APPLIED PHYSICS
1990; 67 (5): 2596-2602
View details for Web of Science ID A1990CR96900062
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Laser‐induced fluorescence imaging of laser‐ablated barium
Applied physics letters
1990; 58 (18): 1715 - 1717
View details for DOI 10.1063/1.103124
- First Order Raman Spectrum of Diamond at High Temperatures STANFORD UNIV CA HIGH TEMPERATURE GASDYNAMICS LAB 1990: 22
- An investigation of diamond synthesis in an oxygen-acetylene diffusion flame 1990
- Development of optical diagnostics for performance evaluation of arcjet thrusters Final Report, High Temperature Gasdynamics Lab. 1989
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ELECTRON-DENSITY RADIAL PROFILES DERIVED FROM STARK-BROADENING IN A SODIUM PLASMA PRODUCED BY LASER RESONANCE SATURATION
APPLIED OPTICS
1987; 26 (6): 1058-1067
Abstract
The first free electron density radial profiles of a sodium plasma created by laser resonance saturation are reported. The measurements were based on Stark broadening, of the 4(2)D-3(2)P multiplet and reveal the formation of a conically shaped plasma along the path of the laser pulse, which can be attributed to strong absorption of the laser pulse along the ionization path.
View details for Web of Science ID A1987G929900019
View details for PubMedID 20454270
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Electron density radial profiles derived from Stark broadening in a sodium plasma produced by laser resonance saturation
Applied optics
1987; 26 (6): 1058–1067
View details for DOI http://dx.doi.org/10.1364/AO.26.001058
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SODIUM ATOM DISTRIBUTION WITHIN A HEAT SANDWICH OVEN
REVIEW OF SCIENTIFIC INSTRUMENTS
1985; 56 (11): 2030-2034
View details for Web of Science ID A1985ATS8900006
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2-CHANNEL TECHNIQUE FOR STARK MEASUREMENTS OF ELECTRON-DENSITY WITHIN A LASER-PRODUCED SODIUM PLASMA
APPLIED OPTICS
1984; 23 (13): 2107-2114
View details for Web of Science ID A1984SY73300020
View details for PubMedID 18212956
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Two-channel technique for Stark measurements of electron density within a laser-produced sodium plasma
Applied optics
1984; 23 (13): 2107-2114
View details for DOI http://dx.doi.org/10.1364/AO.23.002107
Conference Proceedings
- Nanosecond repetitively pulsed discharge control of premixed lean methane-air combustion 2012
- Characteristics of low frequency air glow dielectric barrier discharges at atmospheric pressure 2012
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Experimental Study of Plasma Control of an Unstarting Supersonic Flow
2012
View details for DOI 10.2514/6.2012-2809
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Electric Field Measurements in Gases Using Cavity Enhanced Polarimetry
2012
View details for DOI 10.2514/6.2012-988
- Cross-Field Transport of Electrons in Hall Plasma Accelerators 2012
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Separation Control Using Dielectric Barrier Discharge-Induced Suction and Vortex Generation
2012
View details for DOI 10.2514/6.2012-2947
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Experimental and Computational Investigation of Mass Injection Induced Unstart
2011
View details for DOI 10.2514/6.2011-3192
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Plasma Control of an Unstarting Supersonic Flow
2011
View details for DOI 10.2514/6.2011-2360
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Plasma Control of a Turbulent Boundary Layer in an Unstarting Supersonic Flow
2011
View details for DOI 10.2514/6.2011-1143
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Plasma Assisted Flame Holding in Subsonic and Supersonic Flows
2010
View details for DOI 10.2514/6.2010-263
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Ion Velocity Distribution in a Low-Power Cylindrical Hall Thruster
2010
View details for DOI 10.2514/6.2010-7103
- Preliminary Characterization of a Diverging Cusped Field (DCF) Thruster 2009
- Experimental Characterization of High Frequency Instabilities within the Discharge Channel of a Hall Thruster 2009
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Magnetized microdischarge plasma generation at low pressure
ELSEVIER SCIENCE SA. 2008: 6668-6672
View details for DOI 10.1016/j.tsf.2007.11.040
View details for Web of Science ID 000257977900024
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Numerical investigation of electron behavior in the near-field of Hall thrusters
2007
View details for DOI 10.2514/6.2007-5240
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Numerical Simulation of High Fre fluency Wave Coupling within a Hall Thruster
2007
View details for DOI 10.2514/6.2007-5266
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Measurements in Stationary Reference Bi Discharge Cell for Diagnostics of a Bismuth Hall Thruster
2006
View details for DOI 10.2514/6.2006-4638
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Fluctuation-induced transport in the Hall plasma accelerator
2006
View details for DOI 10.2514/6.2006-5168
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An axial-azimuthal hybrid simulation of coaxial Hall thrusters
2006
View details for DOI 10.2514/6.2006-4329
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Coaxial Hall Thruster with Diamond Inner Channel Wall
2006
View details for DOI 10.2514/6.2006-4995
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Flame stabilization enhancement and NOx production using ultra short repetitively pulsed plasma discharges
2006
View details for DOI 10.2514/6.2006-560
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Investigation of field structure and electron behavior in the near-field of Hall thrusters
2006
View details for DOI 10.2514/6.2006-4835
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Experimental investigation of high frequency plasma oscillations within Hall thrusters
2006
View details for DOI 10.2514/6.2006-5171
- Stationary reference Bi discharge cell for optical diagnostics of a bismuth Hall thruster 2005
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Development of Optical Diagnostics for Bismuth Plasma Propulsion Devices
2005
View details for DOI 10.1109/PLASMA.2005.359169
- A Two-Dimensional Hybrid (z-theta) Simulation of Coaxial Hall Thrusters 2005
- Electron Cross-Field Transport in 2D Hybrid Hall Thruster Simulation 2005
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Spectroscopic Measurements of Bismuth For Optical Diagnostics
2005
View details for DOI 10.2514/6.2005-4230
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Microwave interferometry (90 GHz) for Hall thruster plume density characterization
2005
View details for DOI 10.2514/6.2005-4399
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Ion Energy Distributions in the Cathode Sheath of an Argon DC Microdischarge
2005
View details for DOI 10.1109/PLASMA.2005.359416
- Effect of Charge Exchange on 2D Hall Thruster Simulation 2005
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Gradient transport processes in E× B plasmas
2005
View details for DOI 10.2514/6.2005-4063
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Ion velocity measurements in a linear Hall thruster
2005
View details for DOI 10.2514/6.2005-4401
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Flame stabilization using a plasma discharge in a lifted jet flame
2005
View details for DOI 10.2514/6.2005-931
- Non-local electric field effects in magnetized plasmas 2005
- A Two-Dimensional (z-θ) Fluid/PIC Simulation of Coaxial Hall Thrusters 2005
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Very high Isp thruster with anode layer (VHITAL): an overview
2004
View details for DOI 10.2514/6.2004-5910
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A Comparison of 2-D Hybrid Hall Thruster Model to Experimental Measurements
2004
View details for DOI 10.2514/6.2004-3951
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Optical Diagnostics Options for Bismuth Hall Thrusters
2004
View details for DOI 10.2514/6.2004-3946
- Images of Ground State Xenon Density in the Near Field of Low Power Hall Thruster 2004
- Wall effects on the excitation and propagation of instabilities in Hall thrusters 2003
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Interactions within a cluster of low power Hall thrusters
2003
View details for DOI 10.2514/6.2003-5006
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Operating regimes of a linear SPT with low secondary electron-induced wall conductivity
2003
View details for DOI 10.2514/6.2003-5156
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Vacuum ultraviolet absorption measurements of ground state xenon in the near field of a low power Hall thruster
2003
View details for DOI 10.2514/6.2003-5007
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Overview of electric propulsion research in US academia
2003
View details for DOI 10.2514/6.2003-4442
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Plasma instabilities in the ionization regime of a Hall thruster
2003
View details for DOI 10.2514/6.2003-4857
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Transport physics in Hall plasma thrusters
2002
View details for DOI 10.2514/6.2002-485
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Performance of a linear Hall discharge with an open electron drift
2001
View details for DOI 10.2514/6.2001-3503
- Linear geometry Hall thruster with boron nitride and diamond walls 2001
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Development of a colloid micro-thruster for flight demonstration on the Emerald nanosatellite
2001
View details for DOI 10.2514/6.2001-3330
- Performance studies of a colloid thruster system 2001
- Preliminary Study of Arcjet Neutralization of Hall Thruster Clusters 2001
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Joint Propulsion Conference and Exhibit
2001
View details for DOI 10.2514/6.2001-3506
- Fluctuation-induced electron transport in closed-drift Hall discharges 2000
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Electron density measurements for determining the anomalous electron mobility in a coaxial Hall discharge plasma
2000
View details for DOI 10.2514/6.2000-3420
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A molecular beam mass spectrometer for plasma jet chemical vapor deposition reactor diagnostics
2000
View details for DOI 10.1109/PLASMA.2000.854738
- The Breakdown and Vacuum Emission Characteristics of a High Surface Area to Volume Ratio Discharge 1999
- Dispersion of Low-Frequency Azimuthal Waves in Hall Discharges 1999
- Electrical and VUV/Vis. Emission Characteristics of a Xe/He microdischarge 1999
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Laser-induced fluorescence measurements of a helium arcjet flow
1999
View details for DOI 10.2514/6.1999-3603
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28 June-I'July, 1999/Norfolk, VA
1999
View details for DOI 10.2514/6.1999-3437
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Operating characteristics of a linear Hall thruster with an open electron-drift
1999
View details for DOI 10.2514/6.1999-2569
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Interior and exterior laser-induced fluorescence and plasma potential measurements on a laboratory Hall thruster
1999
View details for DOI 10.2514/6.1999-2721
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Optical study of anomalous electron transport in a laboratory Hall thruster
1999
View details for DOI 10.2514/6.1999-2284
- Measurements of Ion Energy and Ion Flux Distributions in Inductively Coupled Plasmas in CF4/O2/Ar Mixtures 1999
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Low-rate reactive and non-reactive low pressure plasma spraying
1999
View details for DOI 10.1109/PLASMA.1999.829475
- CF2 Detection in Radio-Frequency Ar/CHF3 Plasmas by Fourier Transform Infrared Spectroscopy 1999
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Mass spectrometric investigations of a plasma jet chemical vapor deposition reactor
1999
View details for DOI 10.1109/PLASMA.1999.829476
- Langmuir Probe Distortions and Probe Compensation in an Inductively Coupled Plasma 1999
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Laser induced fluorescence measurements within a laboratory Hall thruster
1999
View details for DOI 10.2514/6.1999-3436
- CH3 and CFx Detection in Low Pressure RF Discharges by Broadband Ultraviolet Absorption Spectroscopy 1998
- In Situ CF3 Detection in Low Pressure RF Discharges by Fourier Transform Infrared Spectroscopy 1998
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Characterization of a low-power helium arcjet
1998
View details for DOI 10.2514/6.1998-3636
-
Development of a linear Hall thruster
1998
View details for DOI 10.2514/6.1998-3336
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Measurements of electron density at the exit of an arcjet thruster
1998
View details for DOI 10.2514/6.1998-3635
- Ion Energy Distributions and their Relative Abundance in Inductively Coupled Plasmas 1998
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Laser induced fluorescence measurements on a laboratory Hall thruster
1998
View details for DOI 10.2514/6.1998-3645
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A performance study of a low power Hall thruster
1997
View details for DOI 10.2514/6.1997-3061
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The transient behavior of a low power laboratory xenon Hall thruster
1997
View details for DOI 10.2514/6.1997-3050
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GaN film growth by a supersonic arcjet plasma
MATERIALS RESEARCH SOCIETY. 1996: 359-364
View details for Web of Science ID A1996BG72B00055
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Thermodynamic analysis based on measurements of flowfield properties in low power hydrogen arcjet thrusters
1996
View details for DOI 10.2514/6.1996-3293
-
Diamond film synthesis in low pressure premixed flames of different fuel types
ELSEVIER SCIENCE SA. 1995: 791-796
View details for Web of Science ID A1995TM18000062
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Ceramic thin film synthesis via arcjet CVD
1995
View details for DOI 10.2514/6.1995-2824
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Spectral imaging of the arcjet electrode region
1995
View details for DOI 10.2514/6.1995-1957
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Pressure measurements in the plume of a low power arcjet nozzle
1995
View details for DOI 10.2514/6.1995-2818
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LIF lineshape analysis of the xenon 6s(3/2)2 exp 0-6p(3/2)2 and 6s(3/2)1 exp 0-6p(1/2)0 transitions in a glow discharge
1995
View details for DOI 10.2514/6.1995-1969
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Linear stability analysis of the ionization layer of a diffuse anode arc
1995
View details for DOI 10.2514/6.1995-3064
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Stability of a near-thermal plasma in contact with an anode
1995
View details for DOI 10.2514/6.1995-1991
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IN-SITU MASS SAMPLING DURING SUPERSONIC ARCJET SYNTHESIS OF DIAMOND
ELSEVIER SCIENCE SA. 1994: 417-421
View details for Web of Science ID A1994NN16000022
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Chemical Reaction Mechanisms of Diamond Growth
1994
View details for DOI 10.1557/PROC-339-255 (About DOI)
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SUPERSONIC DC-ARCJET SYNTHESIS OF DIAMOND
ELSEVIER SCIENCE SA. 1993: 454-461
View details for Web of Science ID A1993LE62000071
- A multi-fluid model of near-electrode plasma behavior 1993
- Characterization of a supersonic hydrogen arcjet plasma thruster employed in diamond film synthesis 1993
- A Direct Comparison of Hydrogen Arcjet Thruster Properties to Model Predictions 1993
- Plume characteristics of an arcjet thruster 1993
- Monte Carlo and experimental studies of nozzle flow in a low-power hydrogen arcjet 1993
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DIAMOND SYNTHESIS IN SUPERSONIC DIRECT-CURRENT ARCJET PLASMA AT SUBTORR PRESSURES
ELSEVIER SCIENCE SA. 1992: 408-413
View details for Web of Science ID A1992KA63900011
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1ST-ORDER RAMAN-SCATTERING IN HOMOEPITAXIAL CHEMICAL VAPOR-DEPOSITED DIAMOND AT ELEVATED-TEMPERATURES
ELSEVIER SCIENCE SA. 1992: 206-215
View details for Web of Science ID A1992HW79400032
- Flow diagnostics of an arcjet using laser-induced fluorescence 1992
-
Laser-induced fluorescence of atomic hydrogen in an arcjet thruster
1992
View details for DOI 10.2514/6.1992-678
- Molecular hydrogen Raman scattering in a low power arcjet thruster 1992
-
Supersonic dc-arcjet plasma at subtorr pressures as a medium for diamond film synthesis
1992
View details for DOI 10.2514/6.1992-3534
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Modeling of the near-electrode regions of arcjets. I-Coupling of the flowfield to the non-equilibrium boundary layers
1992
View details for DOI 10.2514/6.1992-3109
-
Vacuum ultraviolet absorption in a hydrogen arcjet
1992
View details for DOI 10.2514/6.1992-3564
- Supersonic dc-arcjet plasma at subtorr pressures as a medium for diamond film synthesis 1992
- Diamond Optics IV (Proceedings Volume) 1991
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AI AA/SAE/ASM E/ASE E 27th Joint Propulsion Conference
1991
View details for DOI 10.2514/6.1991-2112
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Laser resonance saturation
1986
View details for DOI http://dx.doi.org/10.1063/1.35819