Dr. Rudra Narayan Roy

Designation : Associate Professor

Broad Area of Expertise : Mechanical Engineering

Email : rudra{at}iitgoa.ac.in

Contact Number : 0832-2490-133

Address : F8, Academic Block A

Personal Page

Educational Qualifications

Ph. D, Department of Mechanical Engineering, Indian Institute of Technology Bombay, Mumbai

Areas of Research

Turbulent combustion, modelling of subsonic and supersonic reacting flows, conditional moment closure model, flamelet models, direct numerical simulation

Courses Taught

Professional Appointments

  1. Post-Doctoral Researcher, Thermal Science and Engineering Laboratory, Kyoto University, Japan. (April 2016 to March 2018)
  2. Research Associate, Department of Mechanical Engineering, Indian Institute of Technology Bombay, Mumbai, India (Feb 2015 to July 2015)

Recent Publications

  1. Rudra N. Roy, Role of progress variable and scalar dissipation rate modelling in doubly conditional moment closure for nonpremixed turbulent combustion, European Journal of Mechanics-B/Fluids, 2026, (Accepted).
  2. Praveen P. Singh, Rudra N. Roy, Comparative assessment of nonpremixed and beta-premixed flamelet progress variable models: Effect of presumed probability density function strategies and scalar dissipation closures, International Journal of Heat and Fluid Flow, 2026, 120, 110395 DOI:https://doi.org/10.1016/j.ijheatfluidflow.2026.110395
  3. Jayant Krishan, Rudra N. Roy, Thaseem Thajudeen, Jyoti Seth, Y. S. Mayya, S. Anand, Modelling aerosol evolution under quiescent and turbulent conditions using a coupled fluid–particle dynamics solver incorporating fractal morphology, Scientific Reports, 2026 (Accepted) DOI: https://doi.org/10.1038/s41598-026-46277-4
  4. Praveen P. Singh, Aditya Muppavarapu, Rudra N. Roy. Numerical investigation of piloted CH4/air flame using tabulated chemistry and reactor-based approaches, The European Physical Journal Special Topic, 2026, 234, 7009–7024 DOI: https://doi.org/10.1140/epjs/s11734-025-01878-4
  5. Praveen P. Singh, Rudra N. Roy. Nonpremixed and premixed flamelet progress variable approach: application to the piloted methane/air turbulent jet flame, The European Physical Journal Special Topic, 2026, 234, 6715–6725 DOI: https://doi.org/10.1140/epjs/s11734-025-01732-7
  6. Praveen P. Singh, Rudra N. Roy. Nonpremixed and Premixed FPV Modeling of a Turbulent CH4-H2 Bluff-Body Flame, Combustion Science and Technology, 2025,197, 4858–4884 DOI: https://doi.org/10.1080/00102202.2024.2385455
  7. Shelly Saini, Shakthi Prasad D., Raja Mitra, Rudra N. Roy,  Barada K. Mishra. Surface Charging in Different Gaseous Medium in Extremely Nonuniform Electric Fields, IEEE Transactions on Plasma Science, 2024, 52,  5515-5523 DOI: 10.1109/TPS.2024.3514308 
  8. Praveen P. Singh, Rudra N. Roy. Evaluation of flow and flame characteristics of turbulent bluff-body CH4-H2 flame using LES-FPV approach, Journal of Turbulence, 2024, 25(4–6) DOI: https://doi.org/10.1080/14685248.2024.2352490
  9. Rudra N. Roy, Masaya Muto, Ryoichi Kurose. Direct numerical simulation of ignition of syngas (H2/CO) mixtures with temperature and composition stratifications relevant to HCCI conditions, International Journal of Hydrogen Energy, 2017, 42, 26152-26161 DOI: https://doi.org/10.1016/j.ijhydene.2017.08.182
  10. Rudra N. Roy, Sheshadri Sreedhara. Modelling of methanol and H2/CO bluff-body flames using RANS based turbulence models with conditional moment closure model, Applied Thermal Engineering, 2016, 93, 561-570  DOI: https://doi.org/10.1016/j.applthermaleng.2015.09.073
  11. Rudra N. Roy, Sheshadri Sreedhara. A numerical study on the influence of airstream dilution and jet velocity on NO emission characteristics of CH4 and DME bluff-body flames, Fuel, 2015, 142, 73-84 DOI: https://doi.org/10.1016/j.fuel.2014.10.061
  12. Rudra N. Roy, Sudarshan Kumar, Sheshadri Sreedhara. Predictions of lift-off of turbulent methane and propane flames issuing in cold surroundings using conditional moment closure coupled with an extinction model, Combustion and Flame, 2015, 162, 1164-1166 DOI: https://doi.org/10.1016/j.combustflame.2014.10.007
  13. Rudra N. Roy, Sudarshan Kumar, Sheshadri Sreedhara. A new approach to model turbulent lifted CH4/air flame issuing in a vitiated coflow using conditional moment closure coupled with an extinction model, Combustion and Flame, 2014, 161, 197-209. DOI: https://doi.org/10.1016/j.combustflame.2013.08.007

Recognition and Awards

Edit Profile