Funded Projects:

• Initiation grant, IIT Kanpur, 2023-25: “Effect of nozzle geometry on vortex breakdown forms”, 25 lakhs INR

• Start-up Research Grant (SERB), 2023-25: “Bubble and conical forms of vortex breakdown in turbulent swirling jets”, 30 lakhs INR

Ongoing research projects

• Effect of nozzle geometry on vortex breakdown in swirling jets (Tolstoy Debbarma with Dr. Athanasios Giannenas, Johns Hopkins Univ. and Prof. Ashoke De)

• Experimental and computational investigations of low-frequency oscillations (Ajeet Bharti, with Dr. Tufan Guha)

• Developing microfluidic tools for the detection of cell-derived extracellular vesicles (with Dr. Sandhya Moise and Dr. Hannah Leese, University of Bath)

• Numerical investigation of aeroelastic response to transonic buffet (Anurag Patel)

• Effect of sweep, taper, and twist on laminar transonic buffet and separation bubble instabilities on wings: URANS, DES and LES (Dr. Magan Singh)

• Shape optimisation of a parametric airfoil for transonic buffet mitigation (Dr. Magan Singh, with Prof. Prabat Hajela)

• Low-frequency instabilities of separation bubbles (Digpriya)

• LES of shock oscillations in supersonic flow over cavities (Shubanshu Sharma, Harsh Agarwal, with Dr. Soumya Ranjan Nanda)

• Experimental investigation of transonic buffet and LSB instabilities on airfoils (Harshit and Dr. R. Sriram, IIT Madras)

• Effect of vortex breakdown forms on atomization (Sourajyoti Ghosh)

• Transition in hypersonic boundary layers (Neelkumar Shah, with Dr. Ibrahim Sugarno, Prof. Sathesh Mariappan)

• Surrogate modelling of gust response of transonic airfoils using neural networks (Gopika Sivani, with Prof. G. M. Kamath and Airbus India)

• Surrogate modelling of unsteady loads on pitching transonic airfoils using neural networks (Mugundhan D)

• Bluff-body instability in afterburners (Sriharin S, with Prof. Sathesh Mariappan)

• Global linear stability and resolvent analysis of transonic buffet (Harish Raghavendhar, with Dr. Rajesh Ranjan)

• Ice microphysics in contrail formation (Tanish Shetty)

• Bubble breathing on transonic airfoils (Ken Fujino, University of Tokyo)

• Vortex breakdown on delta wings (Raziq)

• In-situ integration of a streaming spectral orthogonal decomposition for Xcompact3D (C. Kundan, with Dr. Preeti Malakar)

Planned research projects

• Vortex breakdown in annular swirling jets

• Experimental investigation of vortex breakdown in swirling jets

• Shock-wave-vortex interactions

• Design of a microfluidic device for cancer screening to detect circulating tumor cells (with Dr. Tufan Guha, Dr. Sandhya Moise & Prof. Bushra Ateeq)

• Vortex breakdown in the human heart

• Detached-eddy simulation of transonic buffet under free transition conditions 

• An adjoint-based optimization approach for understanding bistable vortex breakdown states

Completed research projects at IIT K

• Effect of forced transition on separation bubble modes in the transonic regime (Shraman Maiti, with Dr. Navaneeth Marath, IIT Ropar)

• The connection between Type I and Type II transonic buffet at high Reynolds numbers  (Parth Jagdish Patil) 

• A parametric open-source airfoil to study transonic buffet (with Dr. Markus Zauner, Dr. David Lusher, Dr. Andrea Sansica from JAXA, Japan and Prof. Neil Sandham from Univ. of Southampton, UK)

• Three-dimensional wake structure of an oscillating cylinder flow (Ayush Boral, with Dr. Arnab Samanta)

• Connecting transonic buffet with incompressible low-frequency oscillation for fully turbulent conditions (Jewel Rupini)

• Effect of nozzle geometries on vortex breakdown in swirling jets (Ritvik Gajendra Pareek)

• Vortex breakdown in vortex mixers (Rahul Meena)

• Particle capturing in microfluidic vortex mixers (Aman Jain)

• Parallelized streaming code for performing spectral proper orthogonal decomposition (Mitul Sidhapara)

• Connection between transonic buffet and LFO (Vishw Patel, Antony Arulsekar, Aman Jain)

• Resolvent analysis of spiral instabilities in swirling jets (Hrithik Shivanagouda Patil)

• Vortex breakdown in the transitional regime in wing-tip vortices (Sameer Mishra, with Prof. Debopam Das)

• Turbulent vortex breakdown in swirling jets (Sudheendra Shambhu)

• Laminar separation-bubble instability in transitional transonic flows: URANS simulations (B. Naveen Teja)

• Low-frequency oscillations in bluff body flows (Ankita Nag)

• Simulating contrails from aircraft engine exhaust and investigating their impact on climate (Soham Kamdar)

• Predicting load fluctuations on transonic airfoils using artificial neural networks (Prajwal B S and Prof. G. M. Kamath)