Publications

Journals

1. P. Patra and A. Roy. Brownian coagulation of like-charged aerosol particles. Phys. Rev. Fluids, 7(6), 064308 (2022). link

2. P. Patra, D.L. Koch, and A. Roy. Collision efficiency of non-Brownian spheres in a simple shear flow - the role of non-continuum hydrodynamic interactions.  J. Fluid Mech, 950, A18 (2022). link

3. Natarajan T., P. Patra, Vishwanath K. P., and A. Roy. Pair trajectories of uncharged conducting spheres in an electric field. Phys. Fluids, 35, 033311 (2023). link   

4. P. Patra, D.L. Koch, and A. Roy. Collision efficiency of like-charged spheres settling in a quiescent environment.  J. Fluid Mech, 968, A22 (2023). link

5. P. Patra, D.L. Koch, and A. Roy. Collision efficiency of rapidly settling particle pairs in a turbulent flow. (To be submitted)

6. P. Patra, A. Kundu, and A. Roy. Shear-induced self-diffusivity in a suspension of colloidal particles. (Manuscript under preparation)

Conferences

1. P. Patra and A. Roy, Collision efficiency of Brownian spheres settling in a non-continuum gas. I gave an oral presentation on this at the14th European Fluid Mechanics Conference-EFMC14, which will be held in Athens, Greece, from September 13−16, 2022.

2. P. Patra, A. Roy, and D.L. Koch, Cloud droplet collision efficiencies - rapid settling regime. I gave a talk on this at the International Commission on Clouds and Precipitation (ICCP-2021), organized by IITM Pune, India during August 2−6, 2021. (Virtual Meeting)

3. P. Patra, A. Kundu, and A. Roy, Shear-induced dispersion in a dilute suspension of charged spheres. I presented this paper at the 73rd Annual Meeting of the APS Division of Fluid Dynamics, which will be held during November 23–26, 2020 (Virtual Meeting).

4. Anu V.S. Nath, P. Patra, and A. Roy, On the role of hydrodynamic interactions in the clustering of inertial particles. We presented this poster at the International Conference on Complex Fluids and Soft Matter (COMFLU-2019), held at IISER Bhopal during December 05-07, 2019.

5. P. Patra, A. Roy, and D.L. Koch, Collision efficiency of rapidly settling particles in a turbulent flow. I presented this paper at the 72nd Annual Meeting of the APS Division of Fluid Dynamics, held in Seattle, Washington (USA), during November 23–26, 2019.

6. P. Patra and A. Roy, Collision of cloud droplets settling in a turbulent atmosphere. I gave a talk on this at the International Conference on Waves, Instabilities and Turbulence in Geophysical and Astrophysical Flows (WITGAF-2019), held in Cargese (France) during July 08-19, 2019.

7. P. Patra, A. Kundu, and A. Roy, Trajectory analysis of non-Brownian suspensions in a non-continuum gas. I presented this paper at the 7th International and 45th National Conference on Fluid Mechanics and Fluid Power (FMFP-2018), held at IIT Bombay during December 10-12, 2018.

8. P. Patra and A. Roy, Pair probability of rapidly settling particle pairs in a turbulent flow. I presented this poster at the International Conference on Complex Fluids and Soft Matter (COMFLU-2018), held at IIT Roorkee during December 06−09, 2018.