Year:

2011

Jacobson, M.Z., Wilkerson, J.T., Naiman, A.D., and Lele, S.K., "The effects of aircraft on climate and pollution. Part I: A model that treats the subgrid evolution of discrete size- and composition-resolved contrails from all commercial flights worldwide," Journal of Computational Physics, 2011 (in review).

Whitt, D., Jacobson, M.Z., Wilkerson, J.T., Naiman, A.D., and Lele, S.K., "Vertical mixing of commercial aviation emissions from cruise altitude to the surface," Journal of Geophysical Resarch - Atmospheres, 2011 (in review).

Naiman, A.D., Lele, S.K., and Jacobson, M.Z., "Large Eddy Simulations of Contrail Development: Sensitivity to Initial and Ambient Conditions over Twenty Minutes," Journal of Geophysical Research - Atmospheres, 2011 (in review).

Dawson, D.M., Kawai, S., and Lele, S.K. "Large-Eddy Simulation of a Mach 2.9 Turbulent Boundary Layer over a 24 Compression Ramp ," AIAA Paper 2011-3431, Honolulu, HI, Jun. 2011. (pdf)

Morgan, B., Kawai, S., and Lele, S.K. "A Parametric Investigation of Oblique Shock / Turbulent Boundary Layer Interaction Using LES," AIAA Paper 2011-3430, Honolulu, HI, Jun. 2011. (pdf)

Morgan, B., Larsson, J., Kawai, S., and Lele, S.K. "Improving the Low-Frequency Characteristics of Recycling/Rescaling Inflow Turbulence Generation," AIAA Journal , Vol. 49, No. 3, March 2011, pp. 582-597. (pdf)

Bhagatwala, A. and Lele, S.K. "Interaction of a Taylor blast wave with isotropic turbulence," Physics of Fluids , Vol. 23, No. 035103, March 2011.

Naiman, A.D., Lele, S.K., and Jacobson, M.Z., "Large Eddy Simulations of Persistent Aircraft Contrails," AIAA Paper 2011-993, Orlando, FL, Jan. 2011. (pdf)

 

2010

Naiman, A.D. , Lele, S.K., Wilkerson, J.T., and Jacobson, M.Z., "Parameterization of subgrid plume dilution for use in large-scale atmospheric simulations," Atmospheric Chemistry and Physics , Vol. 10, pp. 2551-2560, 2010. (pdf)

Franko, K., MacCormack, R., and Lele, S.K., "Effects of Chemistry Modeling on Hypersonic Boundary Layer Linear Stability Prediction ," AIAA Paper 2010-4601, Chicago, IL, Jun. 2010. (pdf)

Morgan, B., Kawai, S., and Lele, S.K. "Large-Eddy Simluation of an Oblique Shock Impinging on a Turbulent Boundary Layer," AIAA Paper 2010-4467, Chicago, IL, Jun. 2010. (pdf)

Kawai, S., Shankar, S.K., and Lele, S.K. "Assessment of localized artificial diffusivity scheme for large-eddy simulation of compressible turbulent flows," Journal of Computational Physics, Vol. 229, Issue 5, March 2010, pp. 1739-1762. (pdf)

Johnsen, E., Larsson, J., Bhagatwala, A., et al. "Assessment of high-resolution methods for numerical simulations of compressible turbulence with shock waves," Journal of Computational Physics, Vol. 229, Issue 4, February 2010, pp. 1213-1237. (pdf)

Kawai, S., and Lele, S.K. "Large-eddy simulation of jet mixing in supersonic crossflows," AIAA Journal, Vol. 48, No. 9, February 2010, pp. 2063-2083. (pdf)

Shankar, S.K., Kawai, S., and Lele, S.K. "Numerical Simulation of Multicomponent Shock Accelerated Flows and Mixing using Localized Artificial Diffusivity Method," 48th Aerospace Sciences Meeting, AIAA Paper 2010-352, Orlando, FL, Jan. 2010. (pdf)

 

2009

Bhagatwala, A., Lele, S.K., "A modified artificial viscosity approach for compressible turbulence simulations," Journal of Computational Physics, Volume 228, Issue 14, Aug. 2009, pp. 4965-4969.

Naiman, A.D., Lele, S.K., Ham, F., and Jacobson, M.Z., "Large Eddy Simulation of Persistent Contrails," 2nd International Conference on Transport, Atmosphere, and Climate, Aachen, Germany and Maastrict, Netherlands, 22-25 June 2009.

Naiman, A.D., Lele, S.K., Wilkerson, J.T., and Jacobson, M.Z., "A Low-Order Contrail Model for use with Global-Scale Climate Models," 47th AIAA Aerospace Sciences Meeting, AIAA Paper 2009-557, Orlando, FL, Jan. 2009. (pdf)

Kawai, S., Shankar, S.K., and Lele, S.K. "LES of Compressible Turbulent Flows: Assessment of Compact Differencing and Localized Artificial Diffusivity Scheme," 47th AIAA Aerospace Sciences Meeting, AIAA Paper 2009-1505, Orlando, FL, Jan. 2009. (pdf)

Kawai, S., Shankar, S.K., and Lele, S.K. "Assessment of Localized Artificial Diffusivity Scheme for Large-Eddy Simulation of Compressible Turbulent Flows," Journal of Computational Physics, doi:10.1016/j.jcp.2009.11.005, 2009.

 

2008

S. Kawai, and Lele, S.K., "Localized artificial diffusivity scheme for discontinuity capturing on curvilinear meshes," Journal of Computational Physics, Vol. 227, Issue 22, Nov. 2008, pp. 9498-9526.

Ryu, J., Lele, S.K., and Viswanathan, K. "Investigation of the role of Instability Waves in Jet Noise Radiation," 46th AIAA Aerospace Science Meeting and Exhibit, AIAA Paper 2008-0026, Reno, NV, Jan. 2008. (pdf)

 

2007

Olson, B.J., and Cook, A.W., "Rayleigh-Taylor shock waves," Physics of Fluids, Vol. 19, Issue 12, December 2007, pp. 128108-1-4. (pdf)

Ryu, J. and Lele, S.K., "Investigation of Instability Wave Dynamics in High-Speed turbulent Jets Using LES," 60th Ann. Meeting of the APS Division of Fluid Dynamics, DFD07-2007-001427, Salt Lake City, UT, Nov. 2007.

Ryu, J., Lele, S.K., and Viswanathan, K., "Identification of Instability Waves in High-Speed Turbulent Jets," 13th AIAAA/CEAS Aeroacoustics Conference, AIAA Paper 2007-3624, Rome, Italy, May 2007. (pdf)

Shirgaonkar, A.A. and Lele, S.K., "Interaction of Vortex Wakes and Buoyant Jets: A Study of Two-Dimensional Dynamics," Physics of Fluids, 19, pp. 086601, 2007.

Shirgaonkar, A.A. and Lele, S.K. "Large eddy simulation of early stage aircraft contrails," Technical Report TF-100, Flow Physics and Computation Division, Department of Mechanical Engineering, Stanford University, 2007. (pdf)

 

2006

Bodony, D., Ryu, J., Ray, P., and Lele, S.K., "Investigating Broadband Shock-Associated Noise of Axisymmetric Jets Using Large-Eddy Simulation," 12th AIAA/CEAS Aeroacoustics Conference, AIAA Paper 2006-2495, Cambridge, MA, May 2006. (pdf)

Shirgaonkar, A.A. and Lele, S.K., "On the Extension of the Boussinesq Approximation for Inertia Dominated Flows," Physics of Fluids, 18 (6), pp. 06601, 2006.

Shirgaonkar, A.A. and Lele, S.K., "Large Eddy Simulation of Contrails: Effect of Atmospheric Properties," 44th AIAA Aerospace Sciences Meeting and Exhibit, AIAA Paper 2006-1414, Reno, NV, 2006. (pdf)

Bodony, D.J. and Lele, S.K., "Applications and results: Jet noise," LES for Acoustics (ed. C. Wagner, T. Hiittl, & P. Sagaut). Cambridge Univ. Press, pp. 289-310.

 




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