S. S. Sinha

Sawan S. Sinha

Professor Department of Applied MechanicsIndian Institute of Technology, Delhi EducationPhD, Texas A&M University, College Station, 2009 (Aerospace Engineering)B.Tech., Aerospace Engineering, Indian Institute of Technology Kanpur, 2001
Post-PhD work experience (2010 - )Professor, Department of Applied Mechanics, IIT Delhi (May 2021- )Associate Professor, Department of Applied Mechanics, IIT Delhi (Dec 2016 - May 2021)Assistant Professor, Department of Applied Mechanics, IIT Delhi (June 2012 - Dec 2016)Post-doctoral Research Associate, Aerospace Engineering Department, Texas A&M University (2010 - 2012)
Pre-PhD work experience (2001 - 2004)Defense Research & Development Laboratory (DRDL), HyderabadEngineering Analysis Center of Excellence (J .F. Welch Technology Center), Bengaluru

Research InterestsTheory and modeling of compressible turbulence, Hypersonic flows, Scale-resolving methods of turbulence computations, Process modeling of power plants
TeachingEngineering Mechanics , Fluid Mechanics, Turbulence and its Modelling, Computational Fluid Dynamics, Applied Computational MethodsYoutube Channel for lecture videos of various courses: https://www.youtube.com/@sawansinha585/playlists

Authored Books1. Fundamentals of Fluid Mechanics, by Sawan S. Sinha, Publisher: Ane Books Pvt. Ltd., New Delhi, 2024, ISBN-10: 8119662768, ISBN-13: 978-8119662760Available on Amazon.in https://www.amazon.in/Fundamentals-Fluid-Mechanics-Sawan-Sinha/dp/8119662768
2. Fundamentals of Turbulence and its Modeling, by Sawan S. Sinha, Publisher: Ane Publishers and Distributors LLP, New Delhi, ISBN-13: 978-81-9724-036-2Available on Amazon.in https://www.amazon.in/dp/8197240361

Externally-funded projects [as Principal Investigator (PI)]10. Modeling of non-linear turbulence processes with thermal non-equilibrium in highly compressible flows, Core Research Grant (SERB), DST (ongoing, INR 36 L)
9. A feasibility study for improving the aerodynamics of cooling towers, The TATA Power Company Limited (Completed, INR 0.50 L)8. Development of a design tool for optimum supercritical steam turbine cycles, Bharat Heavy Electricals Limited (BHEL) (completed, INR 82L, 2023)7. Augmentation of PANS methodology with non-linear eddy viscosity closure for simulating turbulent separated flows, Core Research Grant, SERB, DST (completed, INR 30L, 2022)6. Study of the aerodynamic wake behind aircraft carriers for safer aircraft landings, Naval Research Board (completed, INR 48L 2022)5. Modeling preheating, start-up transience and internal/external cooling processes in steam turbines, BHEL (completed, INR 22L, 2020)4. Aerodynamics of ship-helicopter interaction, Naval Research Board (completed, INR, 45L, 2019)3. Modeling of velocity gradients in highly compressible flows, Aeronautical Research & Development Board (completed, INR 10L, 2017)2. Axial thrust in steam turbines, BHEL, (completed, INR 7L, 2017)1. Ventilation in steam turbines, BHEL, (completed, INR 20L, 2016)
Externally-funded projects (as a co-PI)3. Analysis and design improvements of propeller blades using PANS (ongoing , PI = Prof. Rahul Goyal)2 Design of vertical wind tunnels for sky-diving application (ongoing, PI = Prof. Vamsi K. Chalamalla)1. Design, Fabrication and Testing of a High Efficiency Vertical Axis Wind Turbine (VAWT) and optimization of VAWT Farm, (Completed, 2022. PI= Prof. Srinivas V. Veeravalli)
Awards, Recognition and Professional ServiceAssociate Editor, Sadhana - Academy Proceedings in Engineering Sciences (Indian Academy of Sciences), 2020- 2023Award for Excellence in Teaching, IIT Delhi, 2014Award for Excellence in Teaching, IIT Delhi, 2013Young Faculty Incentive Fellowship, IIT Delhi, 2012-2015Research Presentation Award, Student Reserach Day, Texas A&M university, 2007Graduate Research Assistantship, Aerospace Engineering, Texas A&M University, 2004-2009Best B.Tech Project in Aerospace Engineering, IIT Kanpur, 2001

Journal Publications
2024-45.Influence of vibrational and chemical non-equilibrium on the velocity gradient and the pressure Hessian fields in compressible turbulence , Shishir Srivastava and Sawan S. Sinha, Physics of Fluids, 37, 015133, 2025 (PDF) https://doi.org/10.1063/5.0244133 44.Modeling of vibrational non-equilibrium effects on the pressure Hessian tensor using physics-assisted deep neural networks, Deep Shikha, Shishir Srivastava and Sawan S. Sinha, Physics of Fluids, 36, 125179, 2024 , (PDF) https://doi.org/10.1063/5.0242839 43.Influence of vibrational non-equilibrium on the dynamics of velocity gradients in compressible flows, Shishir Srivastava, Farooq A. Bhat and Sawan S. Sinha, Journal of Fluid Mechanics, 988, A24, 2024 (PDF)42.LES-based evaluations of the performance of twin-rotor vertical axis wind turbine, Sree Raj, V., Rutvik S. Solanki, Vamsi K. Chalamalla and Sawan S. Sinha, ASME Journal of Solar Engineering, 146(1), 2024. https://doi.org/10.1115/1.4063080 (PDF).
2021-202341.An augmented invariants-based model for the pressure Hessian tensor using physics-assisted neural networks, Deep Shikha and Sawan S. Sinha, Physics of Fluids, 135(12), 2023 (PDF)40. An OpenFOAM-based evaluation of various wall treatment strategies in simulating separated flows past bluff bodies with heat transfer, Krishnendu Chakraborty, Sagar Saroha, Sawan S. Sinha, and Sunil Lakshmipathy, Thermophysics & Aeromechanics, Vol. 30, No.5, 2023 (PDF)39.Effect of modifications to island shape and geometrical configuration on the external aerodynamics of a generic aircraft carrier, M.P. Mathew, Sidhnath Singh, Sawan S. Sinha and R. Vijayakumar, Part G: Journal of Aerospace Engineering, https://doi.org/10.1177/09544100221138 , 2022 (PDF).38. Towards improved understanding of aerodynamic impact of helicopter on ship deck flow environment using SDI model, Shirsh Shukla, Sidhnath Singh, Sawan S. Sinha and R. Vijayakumar, Part G: Journal of Aerospace Engineering, https://doi.org/10.1177/09544100221140624, 2022 (PDF).37. Improved scale-resolved predictions of flow and heat transfer past a bluff body using PANS and a higher-order eddy viscosity closure, Sagar Saroha and Sawan S. Sinha, Part G: Journal of Aerospace Engineering, https://doi.org/10.1177/09544100221108609 , 2022 (PDF),36.Experimental and computational investigation of airwake aerodynamics of the generic aircraft carrier with ski-jump, Shrish Shukla, Sawan S. Sinha, Sagar Saroha, Hamid H. Khan and Sidh Nath Singh, Ocean Engineering, 249 (1), 2022 (PDF)35. Pressure and velocity measurements of air flow past a proposed generic Aircraft carrier geometry, K. Vignesh Kumar, Sheikh Nasiruddin, Shrish Shukla, Sidh Nath.Singh, Sawan S. Sinha and R. Vijayakumar, Proc IMechE Part M: J Engineering for the Maritime Environment, https://doi.org/10.1177/14750902211048958, 2021. 34. Modeling of air flow over a generic aircraft carrier with and without island structure, M.P. Mathew, Sidh Nath.Singh, Sawan S. Sinha and R. Vijayakumar., Transactions of the Royal Institution of Naval Architects Part A: International Journal of Maritime Engineering, Vol 163, No. A3, 2021.33. Comparative assessment of URANS, SAS and DES turbulence modeling in the predictions of massively separated ship airwake characteristics, Shrish Shukla, S.N. Singh, Sawan S. Sinha and R. Vijayakumar. Ocean Engineering, Vol. 229, 108594, 2021 (PDF)
2018-202032. Modelling the pressure-Hessian tensor using deep neural networks Nishant Parashar, Balaji Srinivasan and Sawan S. Sinha. Physical Review Fluids, Vol. 5, 114604, 2020 (PDF)31. Enhancement of air entrainment in ejector-diffuser using plate guidance at slots to reduce infra-red emission, Lakvinder Singh, Sidh Nath Singh and Sawan S. Sinha. Proc. of IMechE Part G: Journal of Aerospace Engineering, Vol. 235(10), 1284- 1305, 2021 (PDF)30. Non-linear eddy viscosity closure for PANS: Flow Past a Heated Sphere, Sagar Saroha, Krishnendu Chakraborty, Sawan S. Sinha and Sunil Lakshmipathy, ASME Journal of Fluids Engineering, 142(9): 091502, 2020 (PDF)29. An OpenFOAM-based Evaluation of PANS Methodology in Conjugation with non-linear Eddy Viscosity: Flow Past a Heated Cylinder, Sagar Saroha, Krishnendu Chakraborty, Sawan S. Sinha and Sunil Lakshmipathy, Journal of Applied Fluid Mechanics, Vol. 13, No. 5, pp 1453-1469 , 2020 (PDF)28. Effect of Reynolds number and Slot Guidance on Passive Infrared Suppression Device, Lakhvinder Singh, S. N. Singh and Sawan S. Sinha, Aerospace Science and Technology , VOl. 99, 105732, 2020 (PDF).27. A Conceptual Method to assess ship-helicopter dynamic interface, Shrish Shukla, S.N. Singh, Sawan S. Sinha and R. Vijayakumar, Proc. of IMechE Part G: Journal of Aerospace Engineering, Vol. 234(5) 1092–1116, 2020. (PDF)26. An OpenFOAM-Based Extension of Low-Re k-epsilon Model to the Partially-Averaged Navier-Stokes (PANS) Methodology for Simulating Separated Flows with Heat Transfer , Krishnendu Chakraborty, Sagar Saroha and Sawan S. Sinha, ASME Journal of Fluids Engineering, 142(4), 041501, 2020 (PDF)25. Lagrangian evaluations of viscous models for velocity gradient dynamics in non-stationary turbulence, Nishant Parashar, Sawan S. Sinha and Balaji Srinivasan, International Journal of Heat and Fluid Flow, Volume 78 , 108429, 2019 (PDF)24. Lagrangian investigations of velocity gradients in compressible turbulence: Lifetime of flow-field topologies , Nishant Parashar, Sawan S. Sinha and Balaji Srinivasan, Journal of Fluid Mechanics, Volume 872, pp 492-514, 2019 ( PDF)23. Ship-helo coupled airwake aerodynamics: a comprehensive review, Shrish Shukla, Sawan S. Sinha and S.N. Singh, Progress in Aerospace Sciences, 106, pp 71-107, 2019 (PDF)22. Evaluation of cubic-spline based Gas Kinetic Method for simulating compressible turbulence , Nishant Parashar, Balaji Srinivasan and Sawan S. Sinha, Journal of Applied Fluid Mechanics, Volume 12, Number 5, 2019 (PDF)21. Effect of slot-guidance and slot-area on air entertainment in a conical ejector diffuser for infrared suppression, Lakhvinder Singh, S. N. Singh and Sawan S. Sinha, Journal of Applied Fluid Mechanics, Volume 12, Number 4, 2019 (PDF)20. Evaluation of PANS method in conjunction with non-linear eddy viscosity closure, Sagar Saroha, Sawan S. Sinha, Sunil Lakshmipathy, International Journal of Numerical Methods for Heat and Fluid Flow, Vol. 29, No.3, pp 949-980, 2019 (PDF)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, Nishant Parashar, Sawan S. Sinha, Mohammad Danish and Balaji Srinivasan, Physics of Fluids, Vol. 29, 10, 2017 (PDF)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 (SAGE), Lakhvinder Singh, S. N. Singh and Sawan S. Sinha, Vol. 232, 15,, 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, Vol. 85, 507-524, 2017 (PDF)14. 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, 51, 2015, (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)

Conference Abstracts/Papers.2024-43. Influence of vibrational non-equilibrium on the dynamics of velocity gradients in compressible turbulence, *Shishir Srivastava, Sawan S. Sinha, (presented at the PMRF Annual Symposium, 2024).42. Influence of vibrational non-equilibrium on non-linear turbulence dynamics in compressible flows *Shishir Srivastava, Sawan S. Sinha, (presented at the 9th European Congress on Computational Methods in Applied Sciences and Engineering ECCOMAS Congress 2024).41. Modeling the velocity gradient dynamics in turbulent flows using physics-assisted neural networks *Deep Shikha, Sawan S. Sinha, (presented at the 9th European Congress on Computational Methods in Applied Sciences and Engineering ECCOMAS Congress 2024).40. Influence of Reynolds number on the vibrational non-equilibrium process in compressible turbulence , *Shishir Srivastava, Sawan S. Sinha, (presented at the 26th International Congress of Theoretical and Applied Mechanics, ICTAM 2024).39. Deep neural network framework for modeling pressure hessian tensor in incompressible turbulent flows, *Deep Shikha, Sawan S. Sinha, (presented at the 77th APS Division of Fluid Dynamics, Salt Lake City, Utah, USA, 2024).
2021-202338. Application of machine learning for forced plume in linearly stratified medium, Manthan Mahajan, Nitin Kumar, Deep Shikha, Vamsi K. Chalamalla, and Sawan S. Sinha, 2022. (presented in International and National Conference on Fluid Mechanics and Fluid Power (FMFP 2022)) 37. Machine learning assisted modeling of pressure Hessian tensor, Deep Shikha and Sawan S Sinha, 2022. (presented in International and National Conference on Fluid Mechanics and Fluid Power (FMFP 2022)) 36. Numerical simulations and analysis of flow past vertical-axis wind turbines employing the actuator line method, Sree Raj V, Rutvik S. Solanki, Vamsi K. Chalamalla and Sawan S. Sinha, 26th National and 4th International ISHMT-ASTFE Heat and Mass Transfer Conference, December 17,-20, 2021, IIT Madras, Chennai, INDIA, paper no. IHMTC2021-692.2018-202035. Numerical simulations of flow past a three-blade vertical-axis wind-turbine (VAWT) using the actuator surface method , Rutvik S. Solanki, Vamsi K. Chalamalla and Sawan S. Sinha, 8th International and 47th National Conference on Fluid Mechanics and Fluid Power (FMFP), December 9-11, 2020, IIT Guwahati, paper no. FMFP2020-253.34. Enhancement of PANS with non-linear eddy viscosity closure, Sagar Saroha , Krishnendu Chakraborty, Sawan S. Sinha, Sunil Lakshmipathy, 72nd APS Division of Fluid Mechanics, Seattle, USA, 201933. Aerodynamic assessment of cross-wind airwake characteristics at ship helodeck: a simplified approach, Shrish Shukla, S.N. singh, Sawan S. Sinha, R. Vijayakumar, 72nd APS Division of Fluid Mechanics, Seattle, USA, 201932. Investigation of cross-wind effects on ship helo dynamic interface, Shrish Shukla, S.N. singh, Sawan S. Sinha, R. Vijayakumar,ASME Internation Mechanical Engineering Congress & Exposition, Salt Lake City, Utah, USA, 2019 .31. An investigation of ship air wakes by scale adaptive simulation, Shrish Shukla, S.N. singh, Sawan S. Sinha, R. Vijayakumar, TranNave, Gydnia, Poland, 2019 30. Effect of Wall Treatment on the Performance of k − epsilon Model for Separated Flows, Krishnendu Chakravorty, Sagar Saroha, Sawan S. Sinha, Sunil Lakshmipathy,, 7th international and 45th national fluid mechanics and fluid power conference (fmfp) 2018 IIT Bombay Mumbai, 10-12 th December 2018 , 29. An OpenFOAM Based Study of the Influence of Boundary Conditions on Flow Past a Backward Facing Step, Sagar Saroha, Sawan S. Sinha, Sunil Lakshmipathy, , 7th international and 45th national fluid mechanics and fluid power conference (fmfp) 2018 IIT Bombay Mumbai, 10-12 th December 2018 28. An OpenFOAM based Evaluation of PANS Method with Non-Linear Eddy Viscosity Closure for Separated Turbulent Flows, Sagar Saroha, Sawan S. Sinha, Sunil Lakshmipathy, , 71st Annual Meeting of the APS Division of Fluid Dynamics, November 18–20, 2018; Atlanta, Georgia 27. Bridging method of turbulence for high Reynolds number separated flows past bluff bodies, Sagar Saroha, Sawan S. Sinha, Sunil Lakshmipathy, International Mechanical Engineering Congress & Exposition, Pittsburg, Nov 11-14, Pennsylvania, USA 2018, IMECE2018-89693 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)2006-20119. 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 Guidance12. Ashutosh Bhatnagar, ongoing (part-time), Topic: Scale-resolved predictions of high speed jets for launch vehicle application11. Deep Shikha, ongoing, Topic: Compressible turbulence: theory and modeling10. Shishir Srivastava, ongoing, Topic: Compressible turbulence: theory and modeling9. Cdr. M.P. Mathew, completed in 2021. Title: Effect of passive devices and island parameters on flow characteristics over a generic aircraft carrier. Advisors: Profs. S.N. Singh, Sawan S. Sinha & R. Vijayakumar (IIT Madras)8. Cdr. Ishaq Makkar, completed in 2021. Title: Study of flow characteristics on helo deck of a ship model with modeled rotor downwash. Advisors: Profs. S.N. Singh, Sawan S. Sinha & R. Vijayakumar7. Cdr. K. Vignesh Kumar, completed in 2020. Title: Experimental and computational studies of the flow characteristics over a generic aircraft carrier with and without an island . Advisors: Profs. S.N. Singh, Sawan S. Sinha & R. Vijayakumar6. Nishant Parashar, completed in 2020 Title: Investigating small-scale turbulence processes in compressible flows using Gas Kinetic Method and Machine Learning. Advisors: Sawan S. Sinha & Prof. Balaji Srinivasan (IIT Madras)5. Sagar Saroha, completed in 2020. Title: Augmentation of Partially-averaged Navier-Stokes Method using Non-linear Eddy Viscosity Closure . Advisors: Sawan S. Sinha & Dr. Sunil Lakshmipathy (Gexcon AS, Norway)4. Shrish Shukla, completed in 2020. Title: Study of Ship Airwake and Helicopter Dynamic interface for safer helicopter Operations. Advisors: Profs. S.N. Singh, Sawan S. Sinha & R. Vijayakumar 3. Lakhvinder Singh, completed in 2020. Title: Flow characteristics of an inline-slot conical ejector-diffuser: an infrared suppression device. Advisors: Prof. S.N. Singh & Sawan S. Sinha. 2. Lokesh Ragta, completed in 2017. Title: Extension of Unified Gas Kinetic Scheme for handling complex geometries and turbulent flows. Advisors: Prof. Balaji Srinivasan & Sawan S. Sinha. 1. Mohammad Danish, completed in 2016. Title: Lagrangian Tracking, Analysis and Modeling of velocity gradient dynamics in compressible turbulence. Advisors: Sawan S. Sinha & Prof. Balaji Srinivasan.
M.Tech. GuidanceCompleted17. Ajey V. More, July 2023, Evaluation of dynamic PANS and non-linear eddy viscosity closure.16. Soumyabrata Das, June 2022, ML-assisted turbulence modeling for simulation of flow past bluff bodies.15. Shailendra Singh, June 2022 (co-advised by Prof. Vamsi K. Chalamalla), RANS-ALM simulations of vertical-axis wind turbine farms.14. Manthan Mahajan, June 2022 (co-advised by Prof. Vamsi K. Chalamalla), ML-assisted turbulence modeling for simulation of turbulent plumes.13 Prateek Baranwal, May 2021, (co-advised by Prof. Y. Patel) Design of an aerostat for pollution monitoring.12. Syed Muzammil Par, May 2021, Development of a software tool for off-design HDB calculations. 11. Krishnendu Chakraborty, May 2019, An openFOAM based study on the influence of wall treatment on PANS simulations.10. Avneesh Verma, May 2018, Design of a passenger airship.9. Pradeep Kumar Karn, May 2017, (co-advised by BS), Design, fabrication and test flight of an airship.8. Vishnu Das, May 2017, FEM based solver for flow through steam turbines.7. Rishi Mishra , May 2016, Study of the behavior of steam turbines at low-load condition.6. Ramanujam Tiwari, May 2016, (Co-advised by BS) Design and CFD analysis of an airship.5. Vivek Sharma, May 2016 (Co-advised by BS) A potnetial flow and boundary layer based software package for airships. 4. 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.3. Manu C. , May 2014, Co-advised by BS) Analysis of ILES capabilities in capturing turbulent flows.2. Nishant Parashar, May 2014, (Co-advised by BS) , Gas Kinetic Method.1. P. 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@.am.iitd.ac.in Office Location: Room 344, Block IV.Office Phone 2659-1245 (within campus: 1245)

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