Blasker Professor of Engineering

Professor of Fluid Mechanics

Point of Contact
Department of Mechanical and Aerospace Engineering
University of California, San Diego
9500 Gilman Drive
La Jolla, CA 92093-0411

E-Mail: mailto:ssarkar@UCSD.Edu
Office: 578 EBUII
Phone: (858) 534-8243
FAX: (858) 534-7599


Doctor of Philosophy, August 1988
Department of Mechanical and Aerospace Engineering,
Cornell University, Ithaca, New York.

Master of Science, August 1984
Department of Mechanical Engineering,
Ohio State University, Columbus, Ohio.

Bachelor of Technology, October 1982
Department of Mechanical Engineering,
Indian Institute of Technology, Bombay, India.

Professional Experience

    Blasker Professor of Engineering, UCSD  (07/2011-now)
, Mechanical and Aerospace Engineering, UCSD (07/2009 -now).
    Professor, Mechanical and Aerospace Engineering, UCSD (07/99 -now).
    Associate Professor, Mechanical and Aerospace Engineering, UCSD (07/95 -06/99).
    Assistant Professor
, Mechanical and Aerospace Engineering, UCSD (01/93 -06/95).
    Staff Scientist, ICASE, NASA Langley Research Center (09/88-12/92).


    Elected Fellow, American Society of Mechanical Engineers, 2010.
    Elected Associate Fellow, American Institute of Aeronautics and Astronautics, 2010.

    Elected Fellow, American Physical Society, 2006.
    Friedrich Wilhelm Bessel Award, 2001.
    NASA Group Achievement Award, 1994.
    John McMullen Fellowship, 1984.

Research Areas

My research is in Computational and Theoretical Fluid Dynamics. Areas of interest include:

  • Environmental flows: stratified turbulence, internal waves, vortices, ocean microstructure, coupled ocean/atmosphere mixing.
  • Compressible flows: turbulent shear flows, aero-thermal analysis,  high-energy devices, combustion.
  • Direct numerical simulation, large eddy simulation and Reynolds stress modeling of turbulent flows.
  • Sound generated by turbulence.
  • Numerical methods for unsteady, multidimensional flows.


  1. V. Armenio and S. Sarkar (eds.), "Enviromental  Stratified Flows," CISM  Courses and Lectures, 479, Springer, New York, pp. 232 (2005).
  2. P. Chassaing, R. A. Antonia, F. Anselmet, L. Joly, and S. Sarkar, "Variable Density Fluid Turbulence,''  Kluwer Academic Publishers, pp. 380 (2002).  
  3. T. B. Gatski, S. Sarkar, and C. G. Speziale (eds.),  "Studies in Turbulence,''  Springer-Verlag, pp. 602 (1992).


 Journal Publications

  1.   M. B. De Stadler and S. Sarkar, “Simulation of  a propelled wake with moderate excess momentum in a stratified fluid,”  J. Fluid Mech., 692, 28-52 (2012).
  2.  B. Gayen and S. Sarkar, “Negative turbulent production during flow reversal in a stratified oscillating boundary layer on a sloping bottom,” Phys. Fluids, 23, 101703 (2011).
  3.   H.T. Pham and S. Sarkar, “Mixing events in a stratified jet subject to surface wind and buoyancy forcing,” J. Fluid Mech.,  685, 54-82 (2011).
  4. B. Gayen and S. Sarkar,"Boundary mixing by density overturns in an internal tidal beam,",” Geophys. Res. Lett.,  L14608, doi:10.1029/2011GL048135 (2011).
  5. B. Gayen and S. Sarkar, “Direct and large eddy simulations of internal tide generation at a near critical slope,” J. Fluid Mech., 48-79 (2011).
  6.  E. Arobone and S. Sarkar, “The statistical evolution of a stratified mixing layer with horizontal shear invoking feature extraction,” Phys. Fluids, 115108 (1-15)  (2010).
  7.   M. B. De Stadler, S. Sarkar and K. A. Brucker, “Effect of the Prandtl number on a Stratified Turbulent Wake,”  Phys.  Fluids,  22, 095102 (1-15)  (2010).
  8.   B. Gayen and S. Sarkar, “Turbulence during the generation of internal tide on a critical slope,” Phys.  Rev. Lett.,  104, 218502 (2010).
  9.   K.A. Brucker and S. Sarkar, “A comparative study of self-propelled and momentumless wakes in a stratified fluid,” J. Fluid Mech., 652, 373-404 (2010).
  10.   H. T. Pham and S. Sarkar, “Transport and mixing of density in a continuously stratified shear layer,” J. Turbulence, 11, No. 24, 1-23 (2010).
  11.     H. Foysi, J. P. Mellado  and S. Sarkar, “Large-eddy simulation of variable-density round and plane jets,” Intl. J.  Heat and Fluid Flow.,  31, 307-314 (2010).
  12.     H.T. Pham and S. Sarkar, “Internal waves and turbulence in a stable stratified jet,” J. Fluid Mech.,  648, 297-324 (2010).
  13.     B. Gayen, S. Sarkar and J.R. Taylor, “LES of a stratified boundary layer under an oscillatory current,” J. Fluid Mech., 643, 233-266 (2010).
  14.   H. Foysi and S. Sarkar, “The compressible mixing layer: an LES study,” Theoret. Comput. Fluid Dyn., DOI 10.1007/s00162-009-0176-8 (2009).
  15.      M.I. Latz, J. Allen, S. Sarkar and J. Rohr, “Effect of fully characterized unsteady flow on population growth of the dinoflagellate Lingulodinium polyedrum,”   Limnol. Oceanogr., 1243-1256 (2009).
  16.     H.T. Pham, S. Sarkar, and K.A. Brucker, “Dynamics of a stratified shear layer above a region of deep stratification,” J. Fluid Mech., 630, 191-223 (2009).
  17.     J. R. Taylor and S. Sarkar, “Stratification effects in a bottom Ekman layer,” J. Phys. Oceanogr., 38, 2535-2555 (2008).
  18.   J. R. Taylor and S. Sarkar, “Direct and large eddy simulation of a bottom Ekman layer under an external stratification” Intl J. Heat and Fluid Flow, 29, 721-732 (2008).
  19.   I. Mahle, H. Foysi, S. Sarkar and R. Friedrich, “On the turbulence structure in inert and reacting compressible mixing layers,” J. Fluid Mech., 593, 171-180 (2007).
  20. J. R. Taylor and  S. Sarkar, "Internal Gravity Waves Generated by a Turbulent Bottom Ekman Layer," J. Fluid Mech, 590, 331-354 (2007).
  21. K. Brucker and S. Sarkar, "Evolution of an Initially Turbulent Stratified Shear Layer," Phys. Fluids, 19, 105105 (2007).
  22.   W. D. Thacker, S. Sarkar and T. B. Gatski, "Analyzing the Influence of Compressibility on the Rapid Pressure-Strain Rate Correlation in Turbulent Shear Flows," Theoret. Comput. Fluid Dyn., 21, 171-199 (2007).
  23.   J. P. Mellado, R. Friedrich and S. Sarkar, "Modeling of filtered heat release for large eddy simulation of compressible infinitely-fast reacting flows,'' Proc.  Combust. Inst.,  31, 1691-1699 (2006).
  24.   S. Basak and S. Sarkar, "Dynamics of a stratified shear layer with horizontal shear,'' J. Fluid Mech., 568 19-54 (2006).
  25. J. R. Taylor, S. Sarkar and V. Armenio, "Large eddy simulation of stably stratified open channel flow," Phys. Fluids, 17, 116602(1-18) (2005).
  26.   J. P. Mellado,  S. Sarkar and Y. Zhou, "Large-eddy simulation of Rayleigh-Taylor turbulence with compressible miscible fluids,'' Phys. Fluids, 17, 76101-1-20 (2005).
  27.   D. Garrido-Lopez and S. Sarkar, "Effects of imperfect premixing coupled with hydrodynamic instability on flame propagation,'' Proc.
     Combust. Inst., 30 621-628 (2005).
  28.   H. Foysi, S. Sarkar, and R. Friedrich, "Compressibility effects and turbulence scalings in supersonic channel flow," J. Fluid Mech., 38 207-216  (2004)
  29.   V. Armenio and S. Sarkar, "Mixing in a stably-stratified medium by horizontal shear near vertical walls," Theoret. Comput. Fluid Dyn.,  17, 331-349  (2004)
  30.   J. P. Mellado,  S. Sarkar and C. Pantano, "Reconstruction subgrid models for nonpremixed combustion,'' AIAA J., 38 621-628 (2005).
  31.   C. Pantano,  S. Sarkar and F. A. Williams ``Mixing of a conserved scalar in a turbulent reacting shear layer,'' J. Fluid Mech., 481, 291-360 (2000).
  32.   S. Sarkar, "The Effect of Stable Stratification on Turbulence Anisotropy in Stably-Stratified Flow," Computers and Mathematics with Applications, special review issue: Turbulence Modeling and Simulation, 46 No.5,1229-1248 (2003).
  33.   V. Armenio and S. Sarkar, "An Investigation of Stably-Stratified Channel Flow using Large Eddy Simulation," J. Fluid Mech., 459,   1-42 (2002).
  34.   C. Pantano and S. Sarkar, "A Study of Compressibility Effects in the High-Speed, Turbulent Shear Layer Using Direct Simulation," J. Fluid Mech., 451, 329-371 (2002).
  35. S. A. Stanley, S. Sarkar and J. P. Mellado, "A Study of the Flowfield Evolution and Mixing in a Planar Turbulent Jet Using Direct Numerical Simulation," J. Fluid Mech., 450 377-407 (2002).
  36.   C. Pantano and S. Sarkar, "A Subgrid Function for Nonlinear Functions of a Scalar," Phys. Fluids 13 3803-3819 (2001).
  37.   C. Le Ribault, S. Sarkar and S. A. Stanley, "A study using large eddy simulation of the evolution of a passive scalar in a plane jet," AIAA J., 39 1509-1516 (2001).
  38. S. A. Stanley and S. Sarkar, "Influence of Nozzle Conditions and Discrete Forcing on the Developing Region of Turbulent Planar Jets," AIAA J., 38 1615-1623 (2000).
  39.   F. G. Jacobitz and S. Sarkar, "Turbulent Mixing in a Vertically Stably Stratified Fluid with Uniform Horizontal Shear," Flow, Turbulence and Combustion 63 343-360 (2000).
  40.   J. Whitmire and S. Sarkar, "Validation of Acoustic Analogy Predictions of Sound Radiated by a Multipole-Type Source of Isotropic Turbulence," Phys. Fluids 12 381-391 (2000).
  41. C. Le Ribault, S. Sarkar and S. Stanley, "Large eddy simulation of a plane jet," Phys. Fluids 11 3069-3083 (1999).
  42.   F. G. Jacobitz and S. Sarkar, "On the Shear Number Effect in Stratified Shear Flow," Theoret. Comput. Fluid Dyn., 13 171-188 (1999).
  43.   L. Shao, S. Sarkar and C. Pantano, "On the Relationship between the Mean Flow and Subgrid Stresses in LES of Turbulent Shear Flows," Phys. Fluids 11 No.5,1229-1248 (1999).
  44.   F. G. Jacobitz and S. Sarkar,  TheEffect of Nonvertical Shear on Turbulence in a Stably Stratified Medium,” Phys. Fluids, 10, No. 5,  1158-1168 (1998).
  45. F. G. Jacobitz, S. Sarkar and C. W.Van Atta, “Direct numerical simulations of turbulence evolutionin a uniformly sheared and stably stratified flow,  J. Fluid Mech., 342, 231-261(1997).
  46.   S. Stanley and S. Sarkar, “Simulations of Spatially Developing Two-Dimensional Shear Layers and Jets,” Theor. Comput. Fluid Dyn., 9, 121-147 (1997).
  47.   U. Piomelli, C.L. Street, and S. Sarkar, “On the Computation of Sound by Large-Eddy Simulations,” J. Engr. Math., 32, 217-236 (1997).
  48.   S. Sarkar, “The Stabilizing Effect of Compressibility in Turbulent Shear Flow,” J. Fluid Mech., 282, 163-186 (1995).
  49.   S. Sarkar, “Compressibility effects on turbulence growth in high-speed shear flows, “ Applied Mechanics Reviews, 47, S179-183 (1994).
  50.   G. Erlebacher and S. Sarkar, “Statistical Analysis of the Rate of Strain Tensor in Compressible Homogeneous Turbulence,” Phys. Fluids A, 5, 3240-3254 (1993).
  51.   A. O. Demuren and S. Sarkar, “Perspective: Systematic Study of Reynolds Stress Closure Models in the Computations of Plane Channel Flows,” ASME J. Fluids Eng., 115, 5-12 (1993).
  52.   C.G. Speziale, T.B. Gatski, and S. Sarkar, “On Testing Models for the Pressure-Strain Correlation of Turbulence using Direct Simulations,” Phys. Fluids A, 4, 2887-2899 (1992).
  53.   S. Sarkar, “The Pressure-Dilatation Correlation in Compressible Flows,” Phys. Fluids A, 4, 2674-2682 (1992).
  54.   S. Sarkar, G. Erlebacher, and M.Y. Hussaini, “Direct Simulation of Compressible Turbulence in a Shear Flow,” Theor. Comput. Fluid Dynamics, 2, 291-305 (1991).
  55. S. Sarkar, G. Erlebacher, M.Y. Hussaini, and H.O. Kreiss, “The Analysis and Modelling of Dilatational Terms in Compressible Turbulence,” J. Fluid Mech., 227, 473-493 (1991).
  56. S. Sarkar and B. Lakshmanan, “Application of a Reynolds Stress Turbulence Model to the Compressible Shear Layer,” AIAA J., 29, 743-749 (1991). --[endif]-->
  57.   C.G. Speziale, S. Sarkar, and T.B. Gatski, “Modeling the Pressure-Strain Correlation of Turbulence: an Invariant Dynamical Systems Approach,” J. Fluid Mech., 227, 245-272 (1991).
  58.   G. Erlebacher, M.Y. Hussaini, H.O. Kreiss, and S. Sarkar, “The Analysis and Simulation of Compressible Turbulence,” Theor. Comput. Fluid Dynamics, 2, 73-95 (1990).
  59.   S. Sarkar and C.G. Speziale, “A Simple Nonlinear Model for the Return to Isotropy in Turbulence,” Phys. Fluids A, 2, 84-93 (1990).
  60.   S. Sarkar and J.L. Lumley, “A Continuum Two-Fluid Theory for Dilute Fiber Suspensions,” Acta Mechanica, 80, 201-226 (1989).
  61. J.L. Lumley and S. Sarkar, “Angular Dispersion of Material Lines in Grid Turbulence,” Phys. Fluids, 30, 1269-1271 (1987).
  62.   K. Vafai and S. Sarkar, “Heat and Mass Transfer in Partial Enclosures,” J. Thermophysics, 1, 253-259 (1987).
  63.   K. Vafai and S. Sarkar, “Condensation Effects in a Fibrous Insulation Slab,” J. Heat Transfer, 108, 667-675 (1986).