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Spectral POD mode in the rotating disk boundary layer transition emerging from the low-cost time resolved PIV.
Dr. ir. Sumit Tambe
Dr. ir. Sumit Tambe
Assistant Professor,
Aerospace Engineering,
Indian Institute of Technology Madras (IITM).
*To join the research group, visit Opportunities . Deadline for PhD and MS admission is 31st October 2025.*
Research interests:
Rotating and flat-plate boundary-layer transition,
Roughness-induced flows,
Turbomachinery flows,
Experimental aerodynamics: Particle Image Velocimetry, Infrared Thermography, Schlieren, Modal decomposition techniques (POD, sPOD, DMD, etc).
Aircraft design
News:
Dr Sumit Tambe receives ANRF Advanced Research Grant to probe "Low-cost event-based diagnostics of turbulent flows using neuromorphic cameras" (Dec 2025).
Research intern Abel viji George presents his work in the international conference Fluocome 2025 at Delft The Netherlands (Nov 2025).
Education
2017-2022 PhD in Aerospace Engineering, Delft University of Technology (TU Delft), The Netherlands
2015-2017 MSc in Aerospace Engineering, Delft University of Technology (TU Delft), The Netherlands
2009-2013 BTech in Aerospace Engineering, Indian Institute of Space science and Technology (IIST), Thiruvananthapuram, India
Experience
2025- present Assistant Professor (Grade I), Aerospace Engineering, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India.
2025- 2025 Assistant Professor (Grade II), Mechanical Engineering, Indian Institute of Technology (IIT), Gandhinagar, India.
2023-2025 DST-INSPIRE Faculty Fellow, Aerospace Engineering, Indian Institute of Science (IISc), Bangalore, India
2022-2023 IoE Postdoctoral Fellow, Aerospace Engineering, Indian Institute of Science (IISc), Bangalore, India
2013-2015 Scientist/Engineer SC, Indian Space Research Organization (ISRO), Bangalore, India
Awards
2023 DST INSPIRE Faculty Award, Department of Science and Technology, Government of India.
2022 IoE Postdoctoral Fellowship, Indian Institute of Science, Bangalore.
2009-2013 Full government scholarship for BTech education at IIST, Thiruvananthapuram.
2000-2009 Merit list ranks (best 8th in Maharashtra) and scholarships through national-and state-level competitive exams, including IIT-JEE 2009.
Görtler number (G) scales the boundary layer transition on rotating cones. The turbulence onset occurs on G=8-10, r egardless of the axial inflow or rotational speed ratio S. (Sumit Tambe, Kentaro Kato, Zahir Hussain, Journal of Fluid Mechanics, 2024 (Rapids article))
Görtler number (G) scales the boundary layer transition on rotating cones. The turbulence onset occurs on G=8-10, r egardless of the axial inflow or rotational speed ratio S. (Sumit Tambe, Kentaro Kato, Zahir Hussain, Journal of Fluid Mechanics, 2024 (Rapids article))
New experimental method to detect the transitional flow features on rotating cones (Sumit Tambe, Ferry Schrijer, Arvind Gangoli Rao, and Leo Veldhuis, Experiments in Fluids, 2019)
Boundary-layer transition on a rotating cone; a composite of velocity fields obtained by particle image velocimetry and thermal footprints of spiral vortices obtained by infrared thermography processed with POD. (Sumit Tambe, Ferry Schrijer, Arvind Gangoli Rao, and Leo Veldhuis, AIAA Journal, 2023)
Boundary-layer transition on a rotating cone; a composite of velocity fields obtained by particle image velocimetry and thermal footprints of spiral vortices obtained by infrared thermography processed with POD. (Sumit Tambe, Ferry Schrijer, Arvind Gangoli Rao, and Leo Veldhuis, AIAA Journal, 2023)
Non-axial inflow is found to delay the boundary-layer transition on a rotating slender cone (Sumit Tambe, Ferry Schrijer, Arvind Gangoli Rao, and Leo Veldhuis, Journal of Fluid Mechanics, 2021).
Detection of the spiral vortex footprints on the aero-engine nose-cone at cruise conditions (Sumit Tambe, Ferry Schrijer, Leo Veldhuis, and Arvind Gangoli Rao, Physics of Fluids, 2022)
Roughness induced boundary layer flow features/control
Roughness induced boundary layer flow features/control
Mean flow organization downstream of the microramp in a supersonic turbulent boundary layer
New circulation prediction model for the microramp vortex generators
(Sumit Tambe, Ferry Schrijer, and Bas van Oudheusden, AIAA Journal, 2021)
Spark-lamp Schlieren image showing the Kelvin-Helmholtz vortices in a microramp wake
Coherent structure detection using Data-driven and AI-based methods
Coherent structure detection using Data-driven and AI-based methods
Fan and distortion interactions
Fan and distortion interactions
PIV measurements on the fan and distortion interactions (Sumit Tambe, Ugaitz Bartelome, and Arvind Gangoli Rao, TurboExpo 2020)
Setup to study the fan and distortion interaction
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