Publications:
 
REFEREED JOURNALS:
  1. S. Jain, P. Saraswat, V. Jain, H.J. Pant, R.K. Upadhyay, "Investigation of Liquid-Solids Fluidized Bed of Different Particle Size through Radioactive Particle Tracking Technques", Journal Radioanalytical and Nuclear Chemistry, 302 (3), 1309-1313, 2014.
  2. Rajesh K. Upadhyay, Shantanu Roy, H.J. Pant, "Liquid flow patterns in rectangular air-water bubble column investigated with Radioactive Particle Tracking", Chemical Engineering Science, 96, 152-164, 2013.
  3. G. K. Veluswamy, Rajesh K. Upadhyay, R. P. Utikar, M. O. Tade, G.M. Evans, M. Glenny, Shantanu Roy and V. K. Pareek, "Hydrodynamic Study of Fluid Catalytic Cracker Unit (FCCU) Stripper", Industrial and Engineering Chemistry Research, 52 (12), 4660-4671, 2013.
  4. Rajesh K. Upadhyay, Shantanu Roy, H.J. Pant "Benchmarking Radioactive Particle Tracking (RPT) with Laser Doppler Anemometry (LDA)", International Journal of Chemical Reactor Engineering, 10 (1), S4, 2012.
  5. G. K. Veluswamy, Rajesh K. Upadhyay, R. P. Utikar, M. O. Tade, G.M. Evans, M. Glenny, Shantanu Roy and V. K. Pareek, "Hydrodynamics of a fluid catalytic cracking stripper using ?-ray densitometry", Industrial and Engineering Chemistry Research (I&EC), 50 (10), 5933-5941, 2011.
  6. Rajesh K. Upadhyay and Shantanu Roy, "Investigation of Hydrodynamics of Binary Fluidized Beds via Radioactive Particle Tracking and Dual Source Densitometry", Canadian Journal of Chemical Engineering, 88, 601-610, 2010.
  7. G. K. Veluswamy, Rajesh K. Upadhyay, R. P. Utikar, M. O. Tade, Shantanu Roy and V. K. Pareek, " Hydrodynamic Study of Fluid Catalytic Cracker Unit (FCCU) Stripper", ICMF 2010.
  8. Rajesh K. Upadhyay, Jayant Kaim and Shantanu Roy, "Investigation of Downflow Bubble Columns: Experiments and Modeling", JCEJ, 42(1), s151-s161, 2009.
  9. H.J. Pant, V.K. Sharma, G. Singh, S.K. Saxena, K.V. Vimalnath, K.C. Jagdeesan, R.K. Upadhyay, S. Roy, "Preparation and application of single radioactive particles for particle tracking experiments in industrial flow systems", Proceedings of DAE-BRNS symposium on nuclear and radiochemistry, 2009
  10. Rajesh K. Upadhyay and Shantanu Roy, "Simulation of Photon Emission Transmission and Detection for Radioactive Particle Tracking Experiments", ICMM 2006, B.K. Kanungo, Minati Baral, Ram Pal Eds. 424-429, 2006.
  11. Richa Sharma, A. Kumar, R.K. Upadhyay, "Performance Study of a Multi-pass Palladium Membrane Separator", Journal of Membrane Science (submitted), 2015.
  12. L.Kalo, D. Kumar, V. Jain, H.J. Pant, R.K. Upadhyay, "Investigation of Liquid-Solids Binary Fluidized Bed Using Radioactive Particle Tracking (RPT) Technique and DDPM Simulations", Chemical Engineering Journal (submitted), 2015.
CONFERENCE PROCEEDINGS:
 
INTERNATIONAL CONFERENCES:
  1. "Simulation of Photon Emission Transmission and Detection for Radioactive Particle Tracking Experiments", Rajesh K. Upadhyay and Shantanu Roy, ICMM 2006, Sangrur, India, 3-4 March 2006.
  2. "Next Generation Radioactive Particle Tracking System: Experimental Validation of Resolution and Sensitivity", Rajesh K. Upadhyay, Shantanu Roy and H.J. Pant, GLS-8, New Delhi, India, 16-19 December 2007.
  3. "Investigation of Downflow Bubble Columns: Experiments and Modeling", Rajesh K. Upadhyay, Jayant Kaim and Shantanu Roy, The 20th International Symposium on Chemical Reaction Engineering, Kyoto, Japan, September 7-10, 2008.
  4. "Experimental Investigation of Binary Fluidized Beds Using Densitometry and Radioactive Particle Tracking ", Rajesh K. Upadhyay and Shantanu Roy, CAMURE-7 and ISMR-6,  Montreal, Canada, 23-27 August 2009.
  5. "Investigation of Binary Fluidized Beds", Rajesh K. Upadhyay and Shantanu Roy, (A Keynote Lecture) GLS-9, Montreal, Canada, 23-27 August 2009.
  6. "Resolution, Sensitivity and Accuracy of the Radioactive Particle Tracking Technique", Rajesh K. Upadhyay and Shantanu Roy, WCCE8, Montreal, Canada, 23-27 August 2009.
  7. "Tracking Solids in Gas-Solids Systems via Experiments and Modeling: RPT and DEM Studies", Rajesh K. Upadhyay, S. Vaishali, Shantanu Roy, APT 2009, New Delhi, India, 14-16 September 2009.
  8. "Hydrodynamic Study of Fluid Catalytic Cracking Unit (FCCU) Stripper", G.K. Veluswamy, R.K. Upadhyay, R.P. Utikar, M.O. Tade, S. Roy, V.K. Pareek, ICMF 2010, Tampa, FL, May 30 - June 4, 2010.
  9. "Hydrodynamics of Binary Fluidized Beds: Dem Simulations and Experimental Validation", Ashish Abhinit, Rajesh K. Upadhyay, Shantanu Roy, GLS-10, Braga, Portugal, 26-29 June 2011.
  10. "Application of the Radioactive Particle Tracking Technique to Pilot Plant Scale Vessels", Rajesh K. Upadhyay1, H.J. Pant, V. K. Sharma, Shantanu Roy, GLS-10, Braga, Portugal, 26-29 June 2011.
  11. "Investigation of Liquid Hydrodynamics in Two-Dimensional Air-Water Bubble Column with Radioactive Particle Tracking", GLS-10, Braga, Portugal, 26-29 June 2011.
  12. "Flow of Concentrated Suspension through Bifurcation: Numerical Simulations", Shubham Gupta, Anugrah Singh, Rajesh K. Upadhyay, GLS-10, Braga, Portugal, 26-29 June 2011.
  13. "Numerical Simulations of Binary Fluidized Bed and Experimental Validation", A. Gupta, Rajesh K. Upadhyay and Shantanu Roy, ISCRE 22, Maasticht, Netherlands, 2-5 September, 2012.
  14. "Liquid-Solid Flow in T And Y Shape Micro-Channel: Numerical Simulations", S. Tarun, Rajesh K. Upadhyay, ISCRE 22, Maasticht, Netherlands, 2-5 September, 2012.
  15. "DEM-CFD Simulations for Liquid-Solids Binary Fluidized Bed with Experimental Validation by Using Radioactive Particle Tracking (RPT) Technique", Varsha Jain, Deepak Kumar, Lipika Kalo, Rajesh K. Upadhyay, ISCRE 23 & APCRE 7, Bangkok, Thailand, 7-10 September 2014.
  16. "Numerical and Experimental Investigation of Conical and Cylindrical Gas-Solids Fluidized Bed with Head to Head Comparison", Lipika Kalo, H.J. Pant and Rajesh K. Upadhyay, ISCRE 23 & APCRE 7, Bangkok, Thailand, 7-10 September 2014.
  17. "DDPM and Euler-Euler Simulations of Circulating fluidized bed and Experimental Validation through Radiotracer Techniques", Premkumar Kamalanathan, H.J. Pant and Rajesh K. Upadhyay, ISCRE 23 & APCRE 7, Bangkok, Thailand, 7-10 September 2014.
  18. "Comparative Study on Pd Based Membrane Separator and Reformer: Effect of Membrane Stacking", R. Sharma, A. Kumar and R. K. Upadhyay, ISCRE 23 & APCRE 7, Bangkok, Thailand, 7-10 September 2014.
  19. "Numerical and Experimental Investigation of Circulating Fluidized Bed (CFB) at High Solid Fluxes", Premkumar Kamalanathan, Rajani Kant Baro and Rajesh Kumar Upadhyay, CAMURE-9 & ISMR-8, Lyon, France, 7-10 December 2014.
  20. "Hydrogen Recovery from a Palladium Membrane Reformer: Optimizing Reaction and Separation Effect", R. Sharma, A. Kumar and R. K. Upadhyay, CAMURE-9 & ISMR-8, Lyon, France, 7-10 December 2014.
  21. "Experimental and Numerical Investigation of Gas-Solid Fluidized Bed with Nozzle Spray from Side Wall", J.S. Rawat, S. K.Baheshwar, Pankaj Tiwari, Rajesh K. Upadhyay, CAMURE-9 & ISMR-8, Lyon, France, 7-10 December 2014.
  22. "Experimental and Numerical Investigation of Mono and Binary Gas-Solids Conical Fluidized Bed", Lipika Kalo, Rajesh K. Upadhyay, CAMURE-9 & ISMR-8, Lyon, France, 7-10 December 2014.
  23. "Insights of Liquid Cooled Pebble Bed Reactor through Experiments and CFD Simulations ",R. Verma, A. Bombarde, H.J.Pant and Rajesh K. Upadhyay, GLS 12, New York, USA, 28 June to 1 July 2015.
  24. "Experimental Study of Circulating Fluidized Bed Using Radioactive Particle Tracking Technique", Premkumar Kamalanathan, Trilok Tribedi, H.J.Pant and Rajesh Kumar Upadhyay, GLS 12, New York, USA, 28 June to 1 July 2015.
  25. "Advanced CFD Modelling of Liquid-Solids Mono and Binary Conical Fluidized Bed with Experimental Validation Using Radiotracer Technique", Lipika Kalo and Rajesh K. Upadhyay, GLS 12, New York, USA, 28 June to 1 July 2015.
  26. "Hydrodynamic Characteristics of Liquid Solids Binary Fluidized Bed through Radiotracer Techniques and Euler-Lagrangian Simulations", Lipika Kalo, Deepak Kumar, H.J. Pant and Rajesh K. Upadhyay, GLS 12, New York, USA, 28 June to 1 July 2015.
NATIONAL CONFERENCES:
  1. "Preparation and Application of Single Radioactive Particles for Particle Tracking
  2. Experiments in Industrial Flow Systems", H.J. Pant, S.K. Saxena, Rajesh K. Upadhyay, Shantanu Roy, V.K. Sharma, Gursharan Singh, NUCAR 2009, Mumbai, India, 7-10 January 2009.
  3. "Study of Pebble Bed Reactor: Dpm Simulation and Experimental Validation" Bhanwar S. Chauhan, Mahesh S. Sangade, H.J. Pant and Rajesh K. Upadhyay, CHEMCON 2011, Bangalore, India, 26-30 December, 2011.
  4. "DPM Simulations and Experimental Validation of Liquid Cooled Pebble Bed Reactor", T. K. Bulchandani, B. Singh, H.J.Pant, N.K.Maheshwari, I.V.Dulera and Rajesh K. Upadhyay, CHEMCON 2012,  Jalandhar, India, 27-30 December, 2012.
  5. "Euler-Euler Simulation and Experimental Validation of Turbulent Model in Bubble Column Using Gamma-Ray Densitometry", S. Basak, Rajesh K. Upadhyay, CHEMCON 2012, Jalandhar, India, 27-30 December, 2012.
  6. "Performance of Palladium Membrane Based Hydrogen Generator cum Separator", Richa Sharma, Amit Kumar and Rajesh K. Upadhyay, CHEMCON 2013, Mumbai, India, 27-30 December, 2013. (Best Paper Award)
  7. "Bubble column Euler-Euler simulation: Hydrodynamic parameter investigation", Karan Malik and Rajesh K. Upadhyay, CHEMCON 2013, Mumbai, India, 27-30 December, 2013.
  8. "Conical vs. Cylindrical fluidized bed: CFD Simulations and Experimental Validation", Lipika Kalo, Rajesh K. Upadhyay, CHEMCON 2013, Mumbai, India, 27-30 December, 2013.
  9. "Comparative Studies of Conventional and EMMS based Drag Closures for Prediction of Meso- scale Structures in Circulating Fluidized Bed", Premkumar.K and Rajesh K. Upadhyay, CHEMCON 2013, Mumbai, India, 27-30 December, 2013.
  10. "Assessment of Hydrogen Production from Underground Coal Gasification", Sonit Balyan, PankajTiwari and Rajesh K. Upadhyay, CHEMCON 2013, Mumbai, India, 27-30 December, 2013.
  11. "Investigation of Liquid-Solids Fluidized Bed of Different Particle sizes through Radioactive Particle Tracking Technique", Shubham Jain, Priyam Saraswat, Varsha Jain, Rajesh K. Upadhyay, NAC V, Mumbai, India, 20-24 January, 2014.
  12. "Investigation of Liquid Cooled Pebble Bed Reactor through CFD Simulations", Rupesh Verma, Avinash bombarde, H. J. Pant and Rajesh K. Upadhyay, CHEMCON 2014,  Chandigarh, India, 27-30 December, 2014.
  13. "Investigation of the Material Distribution of Solids in Gas-Solid Fluidized Bed Column with Side Wall Nozzle Assembly", J.S. Rawat , Pankaj Tiwari, Rajesh K. Upadhyay, CHEMCON 2014,  Chandigarh, India, 27-30 December, 2014.
  14. "Investigation of Liquid Cooled Pebble Bed Reactor through Gamma-ray Densitometry Techniques", Avinash Bombarde , Rupesh Verma  and Rajesh Kumar Upadhyay, CHEMCON 2014,  Chandigarh, India, 27-30 December, 2014.
  15. "Study of Binary Liquid-Solids Fluidized Bed Using Radioactive Particle Tracking (RPT) Technique", Deepak Kumar, Lipika Kalo and Rajesh Kumar Upadhyay, CHEMCON 2014,  Chandigarh, India, 27-30 December, 2014.
  16. "Process Optimization of Palladium Membrane Performance for Hydrogen Separation", R. Sharma, A. Kumar and R. K. Upadhyay, CHEMCON 2014,  Chandigarh, India, 27-30 December, 2014.
  17. "Experimental Verification of EMMS Drag Model for Heterogeneous Gas-Solid Flows in a CFB Riser with Gamma Densitometry", Rajani Kant Baro, Premkumar Kamalanathan and Rajesh Kumar Upadhyay, CHEMCON 2014,  Chandigarh, India, 27-30 December, 2014.
  18. "Experimental and Numerical Investigation of Underground Coal Gasification (UCG)", P. Premsagar, Sonit Balyan, Pankaj Tiwari, Rajesh Kumar Upadhyay, CHEMCON 2014,  Chandigarh, India, 27-30 December, 2014.