Ongoing Funded Projects:

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

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

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)

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

• Turbulent vortex breakdown in swirling jets (Sudheendra Shambhu)

• Vortex breakdown in the human heart (Aman Jain)

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

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

• Global linear stability analysis of transonic buffet (Vishw Dipak Patel, with Dr. Rajesh Ranjan)

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

• 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 (Aman Jain, with Dr. Sandhya Moise and Dr. Hannah Leese, University of Bath)

• Laminar and turbulent separation-bubble instability in transonic flows: URANS simulations (D. Das, & B. Naveen Teja)

• Numerical investigation of aeroelastic response to transonic buffet using GPU-accelerated OpenSBLI (Anurag Patel)

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

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

• Low-frequency oscillations in subsonic and transonic flows over reentry capsules (Ankita Nag)

• LES of shock oscillations on backwards-facing steps (Shubanshu Sharma, with Dr. Soumya Ranjan Nanda)

Planned research projects

Vortex breakdown

• Vortex breakdown on delta wings

• Vortex breakdown in annular swirling jets

• Vortex breakdown in tornadoes (with Dr. Johannes Dahl, Texas Tech University)

• Experimental investigation of vortex breakdown in swirling jets (with Prof. Debopam Das)

• Shock-wave-vortex interactions

Optimization

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

• A reduced-order model for transonic buffet and vortex breakdown

Climate Change and sustainability

• An atmospheric parasol for mitigating extreme surface temperatures (with Dr. Tufan Guha)

• Simulating contrails from aircraft engine exhaust and investigating their impact on climate

• Low-frequency oscillations on wind turbine blades

Completed research projects at IIT K

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

• 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)