Sawan S. Sinha

Associate Professor Department of Applied MechanicsIndian Institute of Technology Delhi EducationPhD, Texas A&M University, 2009B.Tech., Aerospace Engineering, Indian Institute of Technology Kanpur, 2001
Pre-PhD work experience (2001 - 2004)Defence Research & Development Laboratory (DRDL), HyderabadEACoE (J.F. Welch Technology Center), Bengaluru
Post-PhD work experience (2010 - )Post-doctoral Research Associate, Aerospace Engineering Department, Texas A&M University (2010 - 2012)Assistant Professor, Department of Applied Mechanics, IIT Delhi (2012 - 2016)
Research InterestsTheory and Modeling of Compressible Turbulence, Hypersonic Flows, Airships, Flow-thermodynamics of steam turbines, Scale-resolving methods of turbulence computations
TeachingEngineering MechanicsFluid Mechanics (Link to course webpage, Sem I, 2018-2019)Advanced Fluid MechanicsTurbulence and its ModellingComputational Fluid Dynamics
Externally-funded projectsVentilation in steam turbines, BHEL (completed)Axial thrust in steam turbines, BHEL (completed)Modeling of velocity gradients in highly compressible flows, Aeronautical Research & Development Board (completed)Aerodynamics of ship-helicopter interaction, Naval Research Board (ongoing)
AwardsAward for Excellence in Teaching, IIT Delhi, Year 2014-2015Award for Excellence in Teaching, IIT Delhi, Year 2012-2013Young Faculty Incentive Fellowship, IIT Delhi, 2012-2015Graduate Research Assistant-ship, Aerospace Engineering, Texas A&M University, 2004-2009Best B.Tech Project in Aerospace Engineering, IIT Kanpur, 2001
Journal Publications
2018-19. Evaluation of partially-averaged Navier-Stokes method in simulating flow past a sphere, Sagar Saroha, Sawan S. Sinha and Sunil Lakshmipathy, Journal of Applied Fluid Mechanics, Vol 11, 5, 1333-1348, 2018 (PDF)2015-201718. Lagrangian investigation of vorticity dynamics in compressible turbulence, Physics of Fluids, Nishant Parashar, Sawan S. Sinha, Mohammad Danish and Balaji Srinivasan, Vol. 29, 10, 2017 (PDF- https://aip.scitation.org/doi/abs/10.1063/1.5009017)17. Efficient simulation of multidimensional continuum and non-continuum flows by a parallelized Unified Gas Kinetic Scheme solver, International Journal of CFD, Lokesh Ragta, Balaji Srinivasan and Sawan S. Sinha, Vol. 31, 6-8, 292-309, 2017 (PDF)16. Studies on the effects of standoff distance and area ratio on the performance of circular exhaust ejector using CFD, Journal of Aerospace Engineering, Lakhvinder Singh, S. N. Singh and Sawan S. Sinha, https://doi.org/10.1177/0954410017717287, 2017 (PDF)15. Unified Gas Kinetic Scheme combined with Cartesian Grid Method to Simulate Low Mach Number Flow, International Journal of Numerical Methods in Fluids, Lokesh Ragta, Balaji Srinivasan, Sawan S. Sinha DOI: 10.1002/fld.4393, 201714. GPU-accelerated direct numerical simulations of decaying compressible turbulence employing a GKM-based solver, Nishant Parashar, Balaji Srinivasan, Sawan S. Sinha and Manish Agarwal, International Journal for Numerical Methods in Fluids. Volume 83, Issue 10 , 2017 doi/10.1002 (PDF)13. Influence of compressibility on the Lagrangian statistics of vorticity--strain-rate interactions, Md. Danish, Sawan S. Sinha and Balaji Srinivasan, Physical Review E, 94, 013101, 2016 (PDF)12. Influence of flow topology and dilatation on scalar mixing in compressible turbulence, Md. Danish, Sawan Suman Sinha and Sharath S. Girimaji, Journal of Fluid Mechanics, Vol.793, pp 633-655, 2016 (PDF)2012-201411. Danish, M., Sawan S. Sinha and Srinivasan B., A DNS-based investigation and modeling of pressure Hessian effects on compressible velocity gradient dynamics, Physics of Fluids, 26, 126103 (2014) (PDF). 10. Ibrahim, A., Sawan S. Sinha. and Girimaji, S.S., On air-chemistry reduction for hypersonic external flow applications, International Journal of Heat and Fluid Flow, 2014, doi:10.1016/j.ijheatfluidflow.2014.10.021, (PDF).9. Sawan S. Sinha and Girimaji, S.S., Velocity-gradient dynamics in compressible turbulence: Characterization of pressure-Hessian tensor, Physics of Fluids, Vol.25, Issue 12, 2013 (PDF)8. Sawan S. Sinha., Lakshmipathy, S. and Pant, R.S., Evaluation of the assumed-transition-point criterion in context of RANS simulations around Lighter-Than-Air vehicles, Journal of Aircraft, DOI: 10.2514/1.C031880, 2013 (PDF).7. Bertsch, R. L., Sawan S. Sinha. and Girimaji, S. S., Rapid distortion analysis of high Mach number homogeneous shear flows: Characterization of flow-thermodynamics interaction regimes, Physics of Fluids, Vol. 24, 125106, doi: 10.1063/1.4772193, 2012 (PDF). 6. , Flow-thermodynamics interactions in rapidly-sheared compressible turbulence, T.A. Lavin, S. S. Girimaji, Sawan Suman Sinha and H. Yu, Theoretical and Computational Fluid Dynamics, 26, pp 501-522, 2012 (PDF)5. Velocity-gradient dynamics in compressible turbulence: Influence of Mach number and dilatation rate, Sawan Suman Sinha, Sharath S. Girimaji, Journal of Turbulence, Vol. 13, No. 8, 2012 (PDF)2009-20114. ,Dynamical model for velocity-gradient evolution in compressible turbulence, Sawan Suman Sinha, Sharath S. Girimaji, Journal of Fluid Mechanics, Vol. 683, pp 289-319, 2011. (PDF)3. Velocity gradient invariants and local flow-field topology in compressible turbulence, Sawan Suman Sinha, Sharath S. Girimaji, Journal of Turbulence, Vol. 11, No. 2, pp. 1-24, 2010. (PDF)2. On the invariance of compressible Navier-Stokes and energy equations subject to density-weighted filtering, Sawan Suman Sinha, Sharath S. Girimaji, Flow, Turbulence and Combustion, Vol. 85, No. 3-4, pp. 383-396, 2010. (PDF)1. Homogenized Euler equation: a model for compressible velocity gradient dynamics, Sawan Suman Sinha, Sharath S. Girimaji, Journal of Fluid Mechanics, Vol. 620, pp. 177-194, 2009. (PDF)
Under Review1. Lagrangian investigations of viscous processes in compressible turbulence, Nishant Parashar, Sawan S. Sinha and Balaji Srinivasan, Journal of Fluid Mechanics (JFM).2. Effect of Slot-guidance on entertainment in an ejector diffuser, Lakhvinder Singh, S.N. Singh and Sawan S. Sinha, Journal of Applied Fluid Mechanics (JAFM).3. Design, fabrication and test flight of a remotely-controlled non-rigid airship, Avneesh Verma, Pradeep K. Karn and Sawan S. Sinha, AeSI Journal of Aerospace Sciences and Technology.
Conference Abstracts/Papers.2015-201726. Study on flow control devices for ship airwakes, S. Shukla, S.N. Singh, S.S. Sinha, 7th International Conference on Theoretical, Applied, Computational and Experimental Mechanics (ICTACEM 2017), paper ID 281, December 2017, Kharagpur.25. Flow and Heat Transfer Characteristics of a Constant Slot Area Entraining Conical Ejector Diffuser,, Lakhvinder Singh, S.N. Singh, S. S. Sinha, Proceedings of the 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2017), December 2017, Hyderabad..24. Numerical Investigation of Flow Through A Rotating, Annular, Variable-area Duct, P. Saini, S. Saroha, S. Saroha and S. S. Sinha, 7th International Conference on Theoretical, Applied, Computational and Experimental Mechanics (ICTACEM 2017), paper id 640, December 2017, Kharagpur.23. Numerical studies of coupled flow effects due to ship airwake and rotor downwash interaction on warship helo decks, S. Shukla, I.S. Makkar, S.N. Singh, S.S. Sinha and R. Vijayakumar, ISBN 978-1-909024-98-4, 5th International Conference on Ship and Offshore Technology (ICSOT) 2017, December, Kharagpur.22. Flow and Heat Transfer Characteristics of a Self Entraining Ejector Conical Diffuser with and without Slot Guidance, Lakhvinder Singh, S. N. Singh, S. S. Sinha, 13th International Conference on Heat Transfer Fluid Mechanics and Thermodynamics (HEFAT-2017), ISBN:978-1-77592-140-0, July 2017, Slovenia. 21. Influence of Thermal Boundary Conditions on Initiation of Compressor Mode in Steam Turbines, Rishi Mishra, Sawan S. Sinha and Shrish Shukla,6th International and 43 national conference on fluid mechanics and fluid power , December 2016 (Paper ID 184) 20. Simulation of Separated Flow Past a Sphere with Partially Averaged Navier Stokes Method, Sagar Saroha, Sawan S. Sinha and Balaji Srinivasan,6th International and 43 national conference on fluid mechanics and fluid power , December 2016 (Paper ID 227) 19. Study of wake and rotor down-wash interactions, I.S. Makkar. , R. Vijayakumar, S. N. Singh and Sawan S. Sinha, Warship 2016: Advanced Technologies in Naval Design, Construction, & Operation, 15-16 June 2016, Bath, UK18. Simulation of flow past an airship, Sagar Saroha, Sawan S. Sinha and Balaji Srinivasan,18th Annual AeSI Symposium, Indian Institute of Science, Bengaluru, August 2016 17. Numerical investigation of flow through steam turbines using the mixing plane method, Shrish Shukla, Rishi Mishra, Nikhil Chaudhary and Sawan Suman Sinha, Ref ID 815, International Congress on Computational Mechanics and Simulation (ICCMS), IIT Bomaby, June 201616. Analyzing The Viscous Action On The Evolution Of Velocity Gradient In Compressible Turbulence Mohammad Danish, Sawan Suman Sinha, and Balaji Srinivasan, Paper no. CP2, 17th Annual CFD Symposium, Aero Society of India, Bangalore, August 11-12, 20152012-201415. Evaluation of the gas kinetic scheme based on analytical solution to the BGK model for simulating compressible turbulent flows, Paper no. 172, Nishant Parashar, Balaji Srinivasan and Sawan Suman Sinha, FMFP, IIT Kanpur, December 2014. (PDF)14. Pressure Hessian evolution in compressible turbulence, Paper no. 220, Md. Danish, Sawan Suman Sinha, Balaji Srinivasan, FMFP, IIT Kanpur, 2014.13. Tracking Lagrangian Quantities in DNS of Isotropic Decaying Turbulence Mohammad Danish, Nishant Parashar, Sawan Suman Sinha and Balaji Srinivasan, Paper no. CP30, 16th Annual CFD Symposium, Aero Society of India, Bangalore, August 11-12, 201412. Danish, M and Sawan S. Sinha., A mean-eigenvalue-based model for the pressure Hessian tensor, 15th AeSI Symposium on CFD, Indian Institute of Science, Bangalore, August, 2013.11. Dev, P.G., Sawan S. Sinha. and Srinivasan, B., Evaluation of implicit large eddy (ILES) approach in simulating transitioning and separating flows past a sphere, Indian Conference on Applied Mechanics (INCAM), IIT Madras, July 2013.10. Lakshmipathy, S.; ,Sawan S. Sinha., Pant, R. S., Girimaji, S. S., Application of Partially-averaged Navier-Stokes (PANS) method to simulate turbulent flow around an airship, IUTAM Symposium on Bluff Body Flows, Indian Institute of Technology Kanpur, India. Dec 2011. (Abstract)2009-20119. Sawan S. Sinha & S.S. Girimaji, Toward topology-based characterization of small-scale mixing in compressible turbulence, American Physical Society (APS), Division of Fluid Dynamics, Baltimore, Maryland, USA. Nov 2011. (Abstract)8. Girimaji, S. S. and Sawan S. Sinha., Partially-averaged Navier-Stokes equation for turbulence simulations: Theory and practice, 4th Symposium on hybrid RANS-LES simulations, September 28-30, Beijing, China, 2011 (Paper)7. Sawan S. Sinha, Lakshmipathy, S. and Pant, R.S., Evaluation of the assumed-transition-point criterion in context of RANS simulations around lighter-than-air vehicles, AIAA 2011-6872 , 11th AIAA Aviation Technology, Integration and Operations Conference, Virginia Beach, Virginia, USA. Sept 2011 (paper).6. Sawan S. Sinha & A. Ibrahim and S.S. Girimaji, On the use of reduced chemical kinetics for hypersonic transition and breakdown to turbulence computations, AIAA-2011-3715, 41st AIAA Fluid Dynamic Conference and Exhibit, Honolulu, Hawaii, USA. Jun 2011. (Paper)5.Sawan S. Sinha & S.S. Girimaji, Effects of Mach number and compressibility on vorticity and strain-rate turbulence dynamics, American Physical Society (APS), Division of Fluid Dynamics, Long Beach, California, USA. Nov 2010 (Abstract)4. Sawan S. Sinha & S.S. Girimaji Averaging-invariance of compressible Navier-Stokes equation, American Physical Society (APS), Division of Fluid Dynamics, San-Antonio, Texas, USA. Nov 2008. (Abstract)3.Sawan S. Sinha & S.S. Girimaji Velocity gradient dynamics in compressible and incompressible flows using homogenized Euler equation, American Physical Society (APS), Division of Fluid Dynamics, Salt Lake City, Utah, USA. Nov 2007. (Abstract)2.Sawan S. Sinha & S.S. Girimaji, Non-linear dynamics and small-scale topology of compressible turbulence, Society of Engineering Science (SES), College Station, Texas, USA. Oct 2007. (Abstract)1.Sawan S. Sinha & S.S. Girimaji, Rapid distortion analysis of compressible turbulence in ideal gas: part 2- density averaged moments, American Physical Society (APS), Division of Fluid Dynamics, Tampa, Florida, USA. Nov 2006. (Abstract)
PhD GuidanceOngoingSagar Saroha. Topic: Separated flows. Co-advised by Dr. Sunil Lakshmipathy (Gexcon, Norway)Lakhwinder Singh. Topic: Self-entraining diffusers, Co-advised by Prof. S. N. Singh (SNS)Cdr. Ishaq Makkar. Topic: Helo-deck wake behavior, Co-advised by SNSShrish Shukla. Topic: Helo-deck wake behavior, Co-advised by SNSNishant Parashar. Topic: Small scale turbulence: Influence of compressibility, Co-advised by Prof. Balaji Srinivasan (BS)Cdr M.P. Mathew. Topic: Wake aerodynamics past aircraft carriers, Co-advised by SNSLt. Cdr. K. Vignesh Kumar. Topic: Wake aerodynamics past aircraft carriers, Co-advised by SNSCompletedMd. Danish, 2016 (Co-advised by BS)Lokesh Ragta, 2017 (Co-advised by BS)
M.Tech. GuidanceCompletedAvneesh Verma (May 2018), Design of a passenger airshipPradeep Kumar Karn (May 2017, co-advised by BS, Design, fabrication and test flight of an airship)Vishnu Das (May 2017, FEM based solver for flow through steam turbines)Rishi Mishra ( May 2016, Study of the behavior of steam turbines at low-load condition)Ramanujam Tiwari, (May 2016, Co-advised by BS) Design and CFD analysis of an airshipVivek Sharma, (May 2016, Co-advised by BS) A potnetial flow and boundary layer based software package for airships Rajkumar Rana (May 2015, Co-advised by Prof. P.K.Sen, Development of computational tool to analyse the performance of a Multi-Effect Distillation System)Manu C. (May 2014, Co-advised by BS) Analysis of ILES capabilities in capturing turbulent flows (Graduated in May 2014)Topic: Implicit Large Eddy Simulation Nishant Parashar (May 2014, Co-advised by BS) Topic: Gas Kinetic MethodP. Gautam Dev. (May 2013, Co-advised by BS), Evaluation of implicit large eddy (ILES) approach in simulating transitioning and separating flows past a three-dimensional bluff body
ContactEmail: sawan@.iitd.ac.in Office Location: Room 344, Block IV.Office Phone 2659-1245 (within campus: 1245)Webpage updated: July 2018