Dr. Bahni Ray

Areas of Interest: 

Multiphase Flow, Physics of Fluids, Micro fluidics, Computational Fluid Dynamics, Stability analysis, Traffic flow


  • Ph.D., Indian Institute of Technology, Kanpur
  • B.Tech and M.Tech (Dual), Indian Institute of Technology, Kharagpur

Academic/Industrial Experience

  1. Assistant Professor, Mechanical Engineering, IIT Delhi, 2017-present
  2. Postdoctoral Fellow, Mechanical Engineering, City College of City University of New York, USA, 2013-2015
  3. Postdoctoral Fellow, Mechanical Engineering, Johns Hopkins University, USA, 2012-2013

Selected Publications

  1. B. Ray, G.Biswas and A. Sharma, "Regimes during liquid drop impact on a liquid pool," Journal of Fluid Mechanics, vol. 768, pp.492-523, 2015.
  2. B. Ray and A. Prosperetti, "On skirted drops in an immiscible liquid," Chemical Engineering Science, vol. 108, pp.213-222, 2014.
  3. B. Ray, D. Bandyopadhyyay, S. W. Joo, A. Sharma, S. Qian and G. Biswas, "Long- wave interfacial instabilities in a thin electrolyte film undergoing coupled electrokinetic flows: a nonlinear analysis," Microfluidics and Nanofluidics vol. 15, pp.19-33, 2013.
  4. B. Ray, G. Biswas and A. Sharma, "Bubble pinch-off and scaling during liquid drop impact on liquid pool," Physics of Fluids vol. 24, 082108, 2012.
  5. B. Ray, G. Biswas and A. Sharma, "Generation of secondary droplets in coalescence of a drop at a liquid-liquid interface", Journal of Fluid Mechanics vol. 655, pp.72-104, 2010.
  6. B. Ray and S. N. Bhattacharyya, "Formation of density waves in traffic flow through intersecting roads," Physical Review E vol. 73, 036101, 2006.