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Sanjay Kumar
PhD (GALCIT, Caltech)
Professor, Department of Aerospace Engineering
Research Interest
Bluff body wakes and flow control, Granular Flows, Shock Waves, Multiphase Flows, Shock – accelerated flows, Fluid instabilities and turbulence
Office
A01 (Low Speed Aerodynamics Laboratory)
IIT Kanpur-208016, Uttar Pradesh, India
Research Area
Aerodynamics
Specialization
Aerodynamics
Education
PhD (Aerospace Engineering), California Institute of Technology, Pasadena, CA, USA (2003)
M.Tech (Aerospace Engineering), IIT Kanpur (1996)
B.Tech (Aerospace Engineering), IIT Kanpur (1994)
Teaching Area
Fluid Mechanics
Incompressible & compressible flows, Unsteady gas dynamics., Boundary layer theory, Hydrodynamic instability, Turbulence, Sources of vorticity, Hypersonic aerodynamics, Aerodynamics, Viscous fluid flows.
Dynamics
Selected Publications
Izhar Hussain Khan, Puja Sunil, Soumarup Bhattacharya, Rahul Yadav, Kamal Poddar and Sanjay Kumar “Flow past two rotationally oscillating cylinders” Journal of Fluid Mechanics, vol. 969 A16, (2023) DOI: https://doi.org/10.1017/jfm.2023.549
Yash Jaiswal, Aqib Khan, Rakesh Kumar and Sanjay Kumar “Shocked confined granular flow over obstacles” Journal of Fluid Mechanics, vol. 960 A 21, (2023) DOI: https://doi.org/10.1017/jfm.2023.211
Soumarup Bhattacharya, Izhar Hussain Khan, Shivam Verma, Sanjay Kumar and Kamal Poddar “Experimental investigation of three-dimensional modes in the wake of a rotationally oscillating cylinder” Journal of Fluid Mechanics, vol. 950 A10 , (2022) DOI: https://doi.org/10.1017/jfm.2022.792
Aqib Khan, Priyanka Hankare, Shivam Verma, Yash Jaiswal, Rakesh Kumar and Sanjay Kumar, “Detachment of strong shocks in confined granular flows” Journal of Fluid Mechanics, vol. 935 A13 , (2022)DOI: https://doi.org/10.1017/jfm.2022.5
Puja Sunil, Sanjay Kumar and Kamal Poddar, “Flow past a rotationally oscillating cylinder with an attached flexible filament” Journal of Fluid Mechanics, vol. 930 A3 , (2022)DOI: https://doi.org/10.1017/jfm.2021.894
Aqib Khan, Shivam Verma, Priyanka Hankare, Rakesh Kumar and Sanjay Kumar, “Shock-Shock Interactions in Granular Flows” Journal of Fluid Mechanics, vol. 884, R4 (2020). (selected as Focus on Fluids article) https://doi.org/10.1017/jfm.2019.988
Akhilesh S. Tiwari and Sanjay Kumar “Effect of acoustic perturbation in the transition of vortex street in a flowing soap film” Physics of Fluids, vol. 35, 023612 (2023) (Featured article) DOI: https://doi.org/10.1063/5.0137038
Navya Geethika Chikkam and Sanjay Kumar, “Flow past a rotating hydrophobic/non-hydrophobic circular cylinder in a flowing soap film” Physical Review Fluids 4, 114802 (2019).https://doi.org/10.1103/PhysRevFluids.4.114802
Awards & Fellowships
Excellence in Teaching Award (2022) - IIT Kanpur
AIAA Flow Visualization Showcase Award (2022) –Most artistic flow visualization (with Soumarup Bhattacharya & Kamal Poddar)
AIAA Flow Visualization Showcase Award (2020) – Quantitatively descriptive flow visualization (3443716) with Puja Sunil & Kamal Poddar
Paper on “Shock-Shock Interactions in Granular Flows” Journal of Fluid Mechanics, vol. 884, R4 (2020) selected as Focus on Fluids article by the journal.
Micro-Vec Best Image Award, Fluid Mechanics and Fluid Power Conference-2018, IIT-Bombay, Mumbai.
Olegario Vasquez Rana Faculty Fellow 2014-16 and 2008-10, The University of Texas at Brownsville (now UTRGV) – USA.
Exceptional Merit Award 2010, The University of Texas at Brownsville (now UTRGV) – USA.
Charles D. Babcock award, 2002 (Cal Tech.).
Keywords
Fluid Mechanics, Aerodynamics, Bluff body flows, Shock waves, Granular shocks, Shock accelerated flows
Professional Experience
2019 – Present, Professor (IIT Kanpur)
2015 – 2019, Associate Professor (IIT Kanpur)
2011-2015, Associate Professor (Tenured) at UT-Brownsville (now UT-RGV, USA).
2006-2011, Assistant Professor at UT-Brownsville (now UT-RGV, USA).
2003 – 2006, Post-doctoral fellow, Los Alamos National Laboratory, Los Alamos, NM (USA).