Publications

Archival Journals
Conference Publications
Conference Presentations
Patents
Book Chapters
Invited Talks


Archival Journals – 58 – Google Scholar Profile


    2021
  1. Gunjan, M. R., Kumar, A., and Raj, R., 2021,“Cloaked Droplets on Lubricant-Infused Surfaces: Union of Constant Mean Curvature Interfaces Dictated by Thin-Film Tension,” Langmuir.
  2. Sinha, K. N. R.; Kumar, V.; Kumar, N.; Thalur, A., and Raj, R., 2021,“Deep learning the sound of boiling for advance prediction of boiling crisis,” Cell Reports Physical Science, 2 (3), pp. 100382.
  3. Verma, A., Kumar, N., and Raj, R., 2021,“Direct prediction of foamability of aqueous surfactant solutions using property values,” Journal of Molecular Liquids, 323, pp. 114635:1-10.
  4. Hedau, G., Raj, R., and Saha, S. K., 2021,“Effect of Outlet Plenum Design on Flow Boiling Heat Transfer in Microchannel Heat Sinks,” Thermal Science and Engineering Progress, 23, pp. 100868.

  5. 2020
  6. Kumar, A., Gunjan, M. R., and Raj, R., 2020,“On the Validity of Force Balance Models for Predicting Gravity-Induced Detachment of Pendant Drops and Bubbles,” Physics of Fluids, 32 (10), pp. 101703-1-5.
  7. Kumar, V., Sinha, K. N. R., and Raj, R., 2020, “Leidenfrost Phenomenon during Quenching in Aqueous Solutions: Effect of Evaporation-Induced Concentration Gradients,” Soft Matter, 16, pp. 6145-6154.
  8. Rahman, O.S., A., Mukherjee, B., Priyadershini, S., Gunjan, M. R., Raj, R., Aruna, S. T., and Kehsri, A. K., 2020,“Investigating the Wetting Phenomena and Fabrication of Sticky, Para-hydrophobic Cerium Oxide Coating,” Journal of the European Ceramic Society, 40, pp. 5749-5757.
  9. Hedau, G., Dey, P., Raj, R., and Saha, S. K., 2020,“Experimental and Numerical Investigation of the Effect of Number of Parallel Microchannels on Flow Boiling Heat Transfer,” International Journal of Heat and Mass Transfer, 158, pp. 119973.
  10. Sinha, K. N. R., Ranjan, D., Kumar, N., Raza, M. Q., and Raj, R., 2020, “Simultaneous Audio-Visual-Thermal Characterization of Transition Boiling Regime,” Experimental Thermal and Fluid Science, 118, pp. 110162.
  11. Sarode, A., Raj, R., and Bhargav, A., 2020, “On the Role of Confinement Plate Wettability on Pool Boiling Heat Transfer,” International Journal of Heat and Mass Transfer, 156, pp. 119723.
  12. Gunjan, M. R., Kumar, A., and Raj, R., 2020, “Droplets on Lubricant-Infused Surfaces: Combination of Constant Mean Curvature Interfaces with Neumann Triangle Boundary Conditions,” Langmuir, , 36 (11), pp.2974-2983.
  13. Kumar, N., Sinha, K. N. R., Raza, M. Q., Verma, A., Seth, D., Jasvanth, V. S., and Raj, R., 2020,“ Design, Fabrication, and Performance Evaluation of a Novel Orientation Independent and Wickless Heat Spreader,” International Journal of Heat and Mass Transfer, 153, pp. 119572.
  14. Kumar, A., Gunjan, M. R., Jakhar, K., Thakur, A., and Raj, R.,, 2020,“Unified Framework for Mapping Shape and Stability of Pendant Drops Including the Effect of Contact Angle Hysteresis,” Colloids and Surfaces A: Physicochemical and Engineering Aspects, 597, pp. 124619
  15. Hedau, G., Dey, P., Raj, R.,, and Saha, S. K., 2020,“Combined Effect of Inlet Restrictor and Nanostructure on Two-Phase Flow Performance of Parallel Microchannel Heat Sinks,” International Journal of Thermal Sciences, 153, pp. 106339.
  16. Ghosh, D. P., Sharma, D., Kumar, A., Saha, S. K., and Raj, R. 2020, “An Ingenious Fluidic Capacitor for Complete Suppression of Thermal Fluctuations in Two-Phase Microchannel Heat Sinks,” International Communications in Heat and Mass Transfer 110, pp. 104347.
  17. Sachi, S., Zaitsev, D. V., and Raj, R., 2020, “Effect of Confinement and Heater Surface Inclination on Pool Boiling Performance of Patterned Wettability Surfaces,” Journal of Physics: Conference Series 1677, pp. 012093.
  18. Sarode, A., Raj, R., and Bhargav, A., 2020, “Effect of Confinement and Heater Surface Inclination on Pool Boiling Performance of Patterned Wettability Surfaces,” Journal of Enhanced Heat Transfer 27 (8), pp. 711-727.
  19. Kumar, N., Raza, M. Q., Sinha, K. N. R., Seth, D., and Raj, R.,, 2020,“ Amphiphilic Additives to Enhance Pool Boiling Heat Transfer in Confined Spaces,” Journal of Enhanced Heat Transfer, 27 (6), pp. 545-560.
  20. Sarode, A., Raj, R., and Bhargav, A., 2020, “Scalable macroscale wettability patterns for pool boiling heat transfer enhancement,” Heat and Mass Transfer 56, pp. 989-2020.

  21. 2019
  22. Sunil, Sinha, R., Chaitanya, B., Rajan, B. K., Agarwal, A., Thakur, A. D., and Raj, R., 2019, ““Design, Fabrication, and Performance Evaluation of a Novel Biomass-Gasification-Based Hot Water Generation System,” Energy, 185, pp. 148-157.
  23. Raza, M. Q., Kumar, N., and Raj, R., 2019, “Effect of Foamability on Pool Boiling Critical Heat Flux with Nanofluids,” Soft Matter, 15, pp. 5308-5318.
  24. Kumar, N., Raza, M. Q., Seth, D., and Raj, R., 2019,“ .Surface-Active Ionic Liquids as Potential Additive for Pool Boiling Based Energy Systems,” Journal of Molecular Liquids, 287, pp. 110953-1-12/
  25. Sinha, K. N. R., Ranjan, D., Raza, M. Q., Kumar, N., Kaner, S., Thakur, A., and Raj, R., 2019, “In-situ acoustic detection of critical heat flux for controlling thermal runaway in boiling systems,” International Journal of Heat and Mass Transfer, 138, pp. 135-149
  26. Raza, M. Q., Kumar, N., and Raj, R., 2019,“Experimental Characterization and Modeling of Critical Heat Flux with Subcooled Foaming Solution,” International Journal of Thermal Sciences, 141, pp. 199-210/
  27. Sharma, D., Ghosh, D. P., Saha, S. K., and Raj, R., 2019, “Thermohydraulic Characterization of Flow Boiling in Nanostructured Microchannel Heat Sink with Vapor Venting Manifold,” International Journal of Heat and Mass Transfer, 130, pp. 1249-1259.
  28. Ghosh, D. P., Sharma, D., Mohanty, D., Saha, S. K., and Raj, R., 2019 “Facile Fabrication of Nanostructured Microchannels for Flow Boiling Heat Transfer Enhancement,” Heat Transfer Engineering, 40 (7), pp. 537-548.
  29. Jakhar, K., Chattopadhyay, A., Thakur, A., and Raj, R.,, 2019,Spline-based Interface Modeling and Optimization (SIMO) for Surface Tension and Contact Angle Measurements,” arXiv, 1909.05943.

  30. 2018
  31. Chaitanya, B., Bahadur, V., Thakur, A. D.,and Raj, R., 2018, “Biomass-gasification-based atmospheric water harvesting in India,” Energy, 165, pp. 610-621.
  32. Kumar, N., Raza, M. Q., Seth, D., and Raj, R., 2018, “ Surfactant Aided Bubble Departure during Pool Boiling,” International Journal of Thermal Sciences, 131, pp. 105-113.
  33. Raza, M. Q., Kumar, N., and Raj, R., 2018, “ Wettability-Independent Critical heat Flux during Boiling Crisis in Foaming Solutions,” International Journal of Heat and Mass Transfer, 126 (A), pp. 567-579.
  34. Kumar, N., Raza, M. Q., Seth, D., and Raj, R., 2018, “Aqueous Ionic Liquid Solutions for Boiling Heat Transfer Enhancement in the Absence of Buoyancy Induced Bubble Departure,” International Journal of Heat and Mass Transfer, 122, pp. 354-363
  35. Adera, S., Antao, D. S., Raj, R., and Wang, E. N., 2018, “  Hotspot Thermal Management via Thin-Film Evaporation – Part II: Modeling,” IEEE Transactions on Components, Packaging and Manufacturing Technology, 8 (1), pp. 99-112.
  36. Adera, S., Antao, D. S., Raj, R., and Wang, E. N., 2018, “Hotspot Thermal Management via Thin-Film Evaporation – Part I: Experimental Characterization,” IEEE Transactions on Components, Packaging and Manufacturing Technology. 8 (1), pp. 88-98

  37. 2017
  38. Gunjan, M. R., and Raj, R., 2017, “ Dynamic Roughness Ratio Based Framework for Modeling Mixed Mode of Droplet Evaporation,” Langmuir, 33 (28), pp. 7191-7201. 
  39. Jakhar, K., Chattopadhyay, A., Thakur, A., and Raj, R., 2017, “ Spline Based Shape Prediction and Analysis of Uniformly Rotating Sessile and Pendant Droplets,” Langmuir, 33 (22), pp. 5603-5612. 
  40. Kumar, A., and Raj, R., 2017, “ Droplets on Microdecorated Surfaces: Evolution of the Polygonal Contact Line,” Langmuir, 33 (19), pp. 4854–4862.

  41. 2016
  42. Adera, S., Antao, D. S., Raj, R., and Wang, E. N., 2016, “Design of Micropillar Wicks for Thin-Film Evaporation,” International Journal of Heat and Mass Transfer, 101, pp. 280-294.
  43. Raza, M. Q., Kumar, N., and Raj, R., 2016, “Surfactants for Bubble Removal against Buoyancy,” Scientific Reports, 6, 19113.
  44. Antao, D. S., Adera, S., Farias, E., Raj, R., and Wang, E. N., 2016, “Visualization of Evaporating Liquid-Vapor Interface in Micropillar Arrays,” Journal of Heat Transfer – Transactions of ASME,138(2), 020910.
  45. Antao, D. S., Adera, S., Zhu, Y., Farias, E., Raj, R., and Wang, E. N., 2016, “Dynamic Evolution of the Evaporating Liquid-Vapor Interface in Micropillar Arrays,” Langmuir, 32 (2), pp. 519-526.

  46. Prior to 2015
  47. Raj, R., Adera, S., Enright, R., and Wang, E. N., 2014, “High Resolution Liquid Patterns via Three-Dimensional Droplet Shape Control,” Nature Communications,5,4975.
  48. Humplik, T., Raj, R., Maroo, S. C., Laoui, T., and Wang, E. N., 2014, “Effect of Hydrophilic Defects on Water Transport in MFI Zeolites,” Langmuir, 30 (22), pp. 6446-6453.
  49. Raj, R., Adera, S., Enright, R., and Wang, E. N., 2014, “Polygonal Droplets on Microstructured Surfaces,” Journal of Heat Transfer – Transactions of ASME, 136 (8), 080906.
  50. Humplik, T., Raj, R., Maroo, S. C., Laoui, T., and Wang, E. N., 2014, “Framework Water Capacity and Infiltration Pressure of MFI Zeolites,” Microporous and Mesoporous Materials, 190, pp. 84-91.
  51. Adera, S., Raj, R., Enright, R., and Wang, E. N., 2013, “Non-Wetting Droplets on Hot Superhydrophilic Surface,” Nature Communications, 4, 2518.
  52. Raj, R., Maroo, S. C., and Wang, E. N., 2013, “Wettability of Graphene,” Nano Letters, 13 (4), pp. 1509-1515.
  53. Raj, R., Enright, R., Zhu, Y., Adera, S., and Wang, E. N., 2012, “Unified Model for Contact Angle Hysteresis on Heterogenous and Superhydrophobic SurfacesLangmuir, 28 (45), pp. 15777-15788. [Download]
  54. Raj, R., Kim, J., and McQuillen, J., 2012, “Pool Boiling Heat Transfer on the International Space Station: Experimental Results and Model Verification,” Journal of Heat Transfer – Transactions of ASME, 134(10), 101504-1 – 101504-14.
  55. Kim, J., Raj, R., and McQuillen, J., 2012, “Gravity Scaling of Pool Boiling Heat Transfer,” Journal of the Japan Society of Microgravity Application, 29 (2), pp. 92-98. – Invited Paper.
  56. Raj, R., Kunkelmann, C., Stephan, P., Plawsky, P., and Kim, J., 2012, “Contact Line Behavior for Highly Wetting Fluid under Superheated Conditions,”International Journal of Heat and Mass Transfer, 55 (9-10), pp. 2664-2675.
  57. Raj, R., Kim, J., and McQuillen, J., 2012, “ On the Scaling of Pool Boiling Heat Flux with Gravity and Heater Size,” Journal of Heat Transfer – Transactions of ASME, 134 (1), pp. 011502-1 – 011502-13.
  58. Di Marco, P., Raj, R., and Kim, J., 2011, “Boiling in Variable Gravity under the Action of Electric Field: Results of Parabolic Flight Experiments,”Journal of Physics: Conf. Ser., 327, 012039.
  59. Raj, R., Kim, J., and McQuillen, J., 2010, “Gravity Scaling Parameter for Pool Boiling Heat Transfer,” Journal of Heat Transfer -Transactions of ASME, 132 (9), pp. 091502-1 -091502-9.
  60. Raj, R., and Kim, J., 2010, “Heater Size and Gravity Based Pool Boiling Regime Map: Transition Criteria between Buoyancy and Surface Tension Dominated Boiling,” Journal of Heat Transfer – Transactions of ASME, 132 (9), pp. 091503-1 – 091503-10.
  61. Raj, R., Kim, J., and McQuillen, J., 2009, “Subcooled Pool Boiling in Variable Gravity Environments,” Journal of Heat Transfer – Transactions of ASME, 131, pp. 091502-1 – 091502-10.
  62. Raj, R., and Kim, J., 2008, “Thermocapillary Convection during Subcooled Boiling in Reduced Gravity Environments,” Annals of the New York Academy of Sciences, 1161, pp. 173-181.
  63. Parida, P. R., Raj, R., Prasad, A., and Mishra, S. C., 2007, “Solidification of a Semitransparent Planar Layer Subjected to Radiative and Convective Cooling,” Journal of Quantitative Spectroscopy & Radiative Transfer, 107, pp. 226-235.
  64. Raj, R., Prasad, A., Parida, P. R., and Mishra, S. C., 2006, “Analysis of Solidification of a Semitransparent Planar Layer using the Lattice Boltzmann Method and the Discrete Transfer Method,” Numerical Heat Transfer Part A, 49, pp. 1-21.

Conferences Publications – 56


  1. Hedau, G., Raj, R., and Saha, S.K., “Effect of Outlet Plenum Volume During Flow Boiling Inside Plain Parallel Microchannel,” 21st Proceedings of the 5th World Congress on Momentum, Heat and Mass Transfer (MHMT'20), Lisbon, Portugal Virtual Congress, October 2020.
  2. Kumar, N., Sinha, K. N. R., Raza, M. Q., Seth, D., Raj, R., “Aqueous ionic liquid solution based two-phase thermal management for adverse gravity applications,” 21st Electronics Packaging Technology Conference (EPTC), IEEE RS/EPS/EDS Singapore Chapter, Singapore, December 4-6, 2019.
  3. Kumar, N., Raza, M. Q., Sinha, K. N. R., Seth, D., and Raj, R., “Heat Transfer Enhancement using Surface-Active Additive during Pool Boiling in a Confined Chamber,” Proceedings of the 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference, IIT Roorkee, Roorkee, India, December 23-31, 2019.
  4. Sarode, A., Raj, R., and Bhargav, A., “A Simple, Scalable and Cost-effective Technique for Pool Boiling Heat Transfer Enhancement,” Proceedings of the 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference, IIT Roorkee, Roorkee, India, December 23-31, 2019.
  5. Sinha, K. N. R., Ranjan, D., Kumar, N., and Raj, R., “Acoustic Detection of Microbubble Emission Boiling (MEB),” Proceedings of the 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference, IIT Roorkee, Roorkee, India, December 23-31, 2019.
  6. Ranjan, D., Sinha, K. N. R., Raza, M. Q., Kumar, N., and Raj, R., “Acoustic Feedback Controlled Pool Boiling of Aqueous Surfactant Solutions,” Proceedings of the 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference, IIT Roorkee, Roorkee, India, December 23-31, 2019.(Prof. P. K. Sarma Best Paper Award)
  7. Raza, M. Q., Kumar, N., and Raj, R., “Critical Heat Flux Enhancement during Subcooled Pool Boiling with Foaming Solution,” CHEMCON 2018: 71st Annual Session of Indian Institute of Chemical Engineers, NIT Jalandhar, December 27-30, 2018.
  8. Kumar, N., Raza, M. Q., Seth, D., and Raj, R., “Bubble Dynamics during Boiling with Foaming Ionic Liquid Solution,” CHEMCON 2018: 71st Annual Session of Indian Institute of Chemical Engineers, NIT Jalandhar, December 27-30, 2018.
  9. Gunjan, M. R., Kumar, A., and Raj, R.,Wettability of Lubricant-Infused Surfaces (LIS),” 7th International and 45th National Conference on Fluid Mechanics and Fluid Power, IIT Bombay, Mumbai, India, December 10-12, 2018.
  10. Kumar, A., Gunjan, M. R., Jakhar, K., and Raj, R.,Interface Shape Evolution during Buoyancy Induced Droplet Detachment,” 7th International and 45th National Conference on Fluid Mechanics and Fluid Power, IIT Bombay, Mumbai, India, December 10-12, 2018.
  11. Behera, D., Mohanty, D., Ghosh, D. P., Saha, S.K., and Raj, R.,Experimental Investigation of Single-Phase Heat Transfer on Scalable Nanostructured Microchannels,” 4th World Congress on Mechanical, Chemical, and Material Engineering, Madrid, Spain, August 16-18, 2018.
  12. Kumar, N., Raza, M. Q., Seth, D., and Raj, R.,Pool Boiling with Aqueous Ionic Liquid Solution,” 10th International Conference on Boiling and Condensation Heat Transfer, Nagasaki, Japan, 12th – 15th March 2018. (Best Poster Award)
  13. Raza, M. Q., Kumar, N., and Raj, R.,Critical Heat Flux Mechanisms during Pool Boiling with Nanofluids,” 10th International Conference on Boiling and Condensation Heat Transfer, Nagasaki, Japan, 12th – 15th March 2018.
  14. Kumar, N., Raza, M. Q., Seth, D., and Raj, R.,Pool Boiling with Aqueous Ionic Liquid Solutions for Zero Gravity Applications,” 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference, Hyderabad, India, December 27-30, 2017.
  15. Raza, M. Q., Kumar, N., and Raj, R.,Critical Heat Flux Mechanism during Pool Boiling with Surfactants,” 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference, Hyderabad, India, December 27-30, 2017.
  16. Sinha, N. R., and Raj, R.,Acoustic Detection of Leidenfrost Dynamics on Plain and Nanostrcutured Surfaces,” 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference, Hyderabad, India, December 27-30, 2017.
  17. Ghosh, D. P., Sharma, D., Saha, S.K., Raj, R.,Flow Boiling Enhancement using Scalable Nanostructures Inside Rectangular Microchannels,” 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference, Hyderabad, India, December 27-30, 2017.
  18. Sharma, D., Ghosh, D. P., Saha, S.K., Raj, R.,Optimization of Inlet and Outlet Manifolds for Flow Boiling Heat Transfer Enhancement in Microchannels,” 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference, Hyderabad, India, December 27-30, 2017.
  19. Hedau, G., Ghosh, D. P., Sharma, D., Vaeghese, A., Raj, R., Saha, S.K.,“Effect of Nanostructure Micrchannels on Flow Boiling Instability,” 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference, Hyderabad, India, December 27-30, 2017.
  20. Jakhar, K., and Raj, R., “Spline-based Interface Modeling and Optimization (SIMO) for Tensiometry and Goniometry Applications,” 44th National Conference on Fluid Mechanics and Fluid Power, Amrita University, Amritapuri Campus, Kollam, Kerala, India, December 14-16, 2016.
  21. Gunjan, M. R., and Raj, R., “Modelling of Inner Coffee Ring Deposits during Evaporation of Nanoparticle-laden Droplets,” 44th National Conference on Fluid Mechanics and Fluid Power, Amrita University, Amritapuri Campus, Kollam, Kerala, India, December 14-16, 2016.
  22. Kumar, A., Gunjan, M. R., Jakhar, K., and Raj, R., “Buoyancy Induced Detachment of Pendant Droplets from Surfaces with Contact Angle Hysteresis,” 44th National Conference on Fluid Mechanics and Fluid Power, Amrita University, Amritapuri Campus, Kollam, Kerala, India, December 14-16, 2016.
  23. Chaitnaya, B., Thakur, A. D., Raj, R., “Biomass Gasifier Powered Adsorption Chiller for Atmospheric Water Harvesting: Prospects in Developing World,” 6th International Conference on Advances in Energy Research, Indian Institute of Technology Bombay, India, December 12-14, 2017.
  24. Adera, S., Antao, D. S., Raj, R., and Wang, E. N., “Thin-film evaporation from micropillar wicks in ambient environment”, The Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITHERM), Orlando, FL USA, May 30 – June 2, 2017.
  25. Ghosh, D. P., Sharma, D., Raj, R., and Saha, S. K., “Enhancement of Flow Boiling Heat Transfer via Suppression of Pressure Drop Fluctuations in Nanostructured Microchannels,” 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, MNNITA, Allahabad, U.P., India, December 15-17, 2016.
  26. Sharma, D., Ghosh, D. P., Raj, R., and Saha, S. K., “Flow Boiling in Microchannels: Experimental Study of Heat Transfer and Pressure Drop Fluctuations,” 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, MNNITA, Allahabad, U.P., India, December 15-17, 2016.
  27. Gunjan, M. R., and Raj, R., “Modelling and Characterization of Mixed Mode of Droplet Evaporation,” 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, MNNITA, Allahabad, U.P., India, December 15-17, 2016.
  28. Kumar, A., and Raj, R., “Evolution of Droplets with Polygonal Contact Line on Microstructured Surfaces,” 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, MNNITA, Allahabad, U.P., India, December 15-17, 2016.
  29. Kumar, N., Raza, M. Q., and Raj, R., “Effect of Orientation on Pool Boiling Heat Transfer with Aqueous Surfactant Solution,” 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, MNNITA, Allahabad, U.P., India, December 15-17, 2016.
  30. Raza, M. Q., Kumar, N.,  and Raj, R., “Surfactant Enhanced Pool Boiling Heat Transfer in Confined Spaces,” 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, MNNITA, Allahabad, U.P., India, December 15-17, 2016.
  31. Shukla, V., Raza, M. Q., Kumar, N.,  and Raj, R., “Effect of Sidewall Containment on Pool Boiling with Aqueous Surfactant Solution on an Inverted Heater,” 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, MNNITA, Allahabad, U.P., India, December 15-17, 2016.
  32. Raj, R., and Thakur, A., “Buoyancy Induced Detachment of Pendant Droplets,” 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, MNNITA, Allahabad, U.P., India, December 15-17, 2016.
  33. Adera, S., Antao, D. S., Raj, R., and Wang, E. N., “Experimental Characterization and Modeling of Capillary-Pumped Evaporation from Micropillar Wicks,”Heat Transfer, Fluids Engineering, & Nanochanneels, Microchannels, and MInichannels Conferences, Washington DC, USA, July 10-14, 2016. (Best Poster Award)
  34. Adera, S., Antao, D. S., Raj, R., and Wang, E. N., “Extreme Hotspot Heat Flux Thermal Management via Thin-Film Evaporation from Microstructured Surfaces,” Hilton Head 2016 Workshop, A Solid-State Sensors, Actuators and Microsystems Workshop, Sonesta Resort, SC 29928, USA, June 5-9, 2016.
  35. Adera, S., Antao, D. S., Raj, R., and Wang, E. N., “ Hotspot Thermal Management via Thin-Film Evaporation,” The Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems, Cosmopolitan Hotel, Las Vegas, NV, May 31 – June 3, 2016. (Best Poster Award)[Link]
  36. Kumar, N., Raza, M. Q., and Raj, R., “Comparison of Bubble Behavior and Heat Transfer during Pool Boiling with Aqueous Surfactant Solution on Upward and Downward Facing Heater,” CHEMCON 2015, 68th Annual Session of Indian Institute of Chemical Engineers, Guwahati, December 27-30, 2015.
  37. Ghosh, D. P., Mohanty, D., Saha, S. K., and Raj, R., “Fabrication of Nanostructured Microchannels for Enhancement of Single and Multiphase Heat Transfer,” 23rd National Heat and 1st International ISHMT-ASTFE Heat and Mass Transfer Conference, Thiruvananthapuram, India, December 17-20, 2015.
  38. Raza, M. Q., and Raj, R., “Pool Boiling Critical Heat Flux Enhancement for Reduced Gravity Application,” 23rd National Heat and 1st International ISHMT-ASTFE Heat and Mass Transfer Conference, Thiruvananthapuram, India, December 17-20, 2015.
  39. Chattopadhyay, A., Thakur, A., and Raj, R., “Spline Based Modeling of Static and Sliding Droplets with Contact Angle Hysteresis“, 42nd National Conference on Fluid Mechanics and Fluid Power, National Institute of Technology, Surathkal, India, December 14-16, 2015.
  40. Wei, M., Somasundaram, S., He, B., Liang, Q., Raj, R., Tan, C. S., and Wang, E. N., “Optimization of Biporous Micropillar Array for Enhanced Heat Transfer Performance“, ASME International Mechanical Engineering Congress and Exposition, Houston, Texas, USA, November 13-19, 2015.[Link]
  41. Raza, M. Q., and Raj, R., “Surfactant-Enhanced Pool Boiling Heat Transfer During Surface Tension Dominated Boiling Regime“, 9th International Conference on Boiling and Condensation Heat Transfer, Boulder, Colarado, April 26-30, 2015.
  42. Chattopadhyay, A., Thakur, A., and Raj, R., “Spline Based Two-Dimensional Modeling of Droplets on Rough and Heterogeneous Surfaces“, 5th International and 41st National Conference on Fluid Mechanics and Fluid Power, Kanpur, India, December 12-14, 2014.
  43. Raza, M. Q., and Raj, R., “Pool Boiling Heat Transfer with Aqueous Surfactant Solutions: Importance of Time Scales“, IUTAM Symposium on Multiphase Flows with Phase Change: Challenges and Opportunities, Hyderabad, India, December 08-11, 2014.
  44. Raj, R., and Wang, E. N., “Influence of Dynamic Wettability on Evaporation Kinetics of Microscopic Sessile Droplets,” The 15th International Heat Transfer Conference, Kyoto, Japan, August 10-15, 2014.
  45. Lu, Z., Narayanan, S., Hanks, D. F., Raj, R., Xiao, R., Antao, D. S., and Wang, E. N., “Modeling of Nanoporous Membranes for High Flux Thin Film Evaporation,” The 15th International Heat Transfer Conference, Kyoto, Japan, August 10-15, 2014.
  46. Hanks, D. F., Lu, Z., Bagnall, K. R., Narayanan, S., Raj, R., Xiao, R., and Wang, E. N., “Nanoporous Evaporative Device for Advanced Electronics Thermal Management“, The Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITHERM), Lake Buena Vista (Orlando), FL USA, May 27-30, 2014. (Best Paper Award) [Link]
  47. Humplik, T., Raj, R., Maroo, S. C., Laoui, T., and Wang, E. N., “Selective Water Transport Across Uniform Sub-Nanometer Pores in Microfabricated Membranes,” Hilton Head Workshop 2014, A Solid-State Sensors, Actuators and Microsystems Workshop, Sonesta Resort, SC 29928, USA, June 8 – 12, 2014.
  48. Liang, Q., Raj, R., Adera, S., Somasundaram, S., Tan, C. S., and Wang, E. N., “Experiment and Modeling of Microstructured Capillary Wicks for Thermal Management of Electronics,” 15th Electronic Packaging Technology Conference, Singapore, December 11-3, 2013. [Link]
  49. Adera, S., Raj, R., and Wang, E. N., “Capillary Limited Thin-Film Evaporation on Microstructured Surfaces,” ASME 2013 4th Micro/Nanoscale Heat and Mass Transfer International Conference, Hong Kong, China, December 11-14, 2013.
  50. Adera, S., Raj, R., Enright, R., and Wang, E. N., “Evaporation-Induced Cassie Droplets on Superhydrophilic Microstructured Surfaces,” ASME 2012 10th International Conference on Nanochannels, Microchannels and Minichannels, Puerto Rico, July 8-12, 2012.
  51. Raj, R., Kim, J., and McQuillen, J., “On the Scaling of Pool Boiling Heat Flux with Gravity and Heater Size,” ASME/JSME 8th Thermal Engineering Joint Conference, Honolulu, Hawaii, March 13-17, 2011.
  52. Raj, R., Kim, J., and McQuillen, J., Sheredy, W., Booth, W., Charpie, J., Eggers, J., Funk, G., Funk, J., and Valentine, R., “Heater Size and Orientation Effect on Pool Boiling of FC-72,” ASME International Heat Transfer Conference IHTC-14, Washington D.C., August 8-13, 2010. [Related Content]
  53. Raj, R., Kim, J., McQuillen, J, “Gravity Scaling Parameter for Pool Boiling Heat Transfer,” ASME International Mechanical Engineering Congress and Exposition, Lake Buena Vista, Florida, November 13-19, 2009. (Best Poster Award) [Related Content]
  54. Raj, R., and Kim, J., “Heater Size Effect on Subcooled Boiling of FC-72“, 7th ECI Conference on Boiling, Florianopolis-SC, Brazil, May 3-7, 2009.
  55. Raj, R., and Kim, J., “Thermocapillary Convection During Subcooled Boiling in Reduced Gravity Environments,” Interdisciplinary Transport Phenomena V: Fluid, Thermal, Biological, Material and Space Sciences, Bansko, Bulgaria, October 14-19, 2007.
  56. Raj, R., Prasad, A., Parida, P. R., and Mishra, S. C., “Analysis of Phase Change of a Semitransparent Media using the Lattice Boltzmann Method and the Discrete Transfer Method,” 18th National and 7th International ISHMT-ASME Heat and Mass Transfer Conference, Indian Institute of Technology Guwahati, India, January 4-6, 2006.
  57. Mishra, S. C., Parida, P. R., Raj, R., and Prasad, A., “Application of the Lattice Boltzmann Method and the Discrete Ordinate Method for the Analysis of Solidification of a Semitransparent Planar Layer Subjected to Radiative and Convective Cooling,” International Conference on Advanced Material Design and Development, Goa, India, December 14-16, 2005.

Conference Presentations – 21


  1. Kumar, N., Raza, M. Q., and Raj, R., “Boilng with Foaming Solutions for Earth and Microgravity Applications,” 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC), IIT Roorkee, India, 28-31 December 2019. (Keynote Address)
  2. Raza, M. Q., Kumar, N., and Raj, R., “Critical Heat Flux Mechanism during Pool Boiling with Foaming Solutions,” Micro and Nanoscale Phase Change Heat Transfer, GRC, Renaissance Tuscany Il Ciocco in Lucca (Barga) Italy, February 3-8, 2019.
  3. Raza, M. Q., Kumar, N., and Raj, R., “Vapor Crowding-based Limit to Pool Boiling Critical Heat Flux,” ASME International Conference on Nanochannels, Microchannels and Minichannels, Hyatt Regency, Cambridge, MA, August 27-30, 2017. (Keynote Address)
  4. Adera, S., Antao, D. S., Raj, R., and Wang, E. N., “Hotspot Cooling via Thin-Film Evaporation,” MARC 2016, Bretton Woods, NH, January, 2016.
  5. Hanks, D. F., Lu, Z., Sircar, J., Raj, R., Antao, D. S., Narayanan, S., Barabadi, B., Enright, R., Salamon, T., Simon, E., Wang, E. N., “Microfabricated Nanoporous Membrane-Based Evaporation for High Heat Flux Thermal Management,” GOMACTech, St. Louis, MO, May 23-26, 2015.
  6. Raj, R., Adera, S., Enright, R., and Wang, E. N., “Wettability on Micro and Nanoscale Surfaces for Improved Understanding of Phase Change Heat Transfer,” Gordon Research Conference on Micro and Nanoscale Phase Chnage Heat Transfer, Galveston, TX, January 10-16, 2015.
  7. Adera, S., Antao, D. S., Raj, R., and Wang, E. N., “Experimental Study of Thin-Film Evaporation from Microstructured Surfaces,” MARC 2015, Bretton Woods, NH, January, 2015.
  8. Antao, D. S., Adera, S., Raj, R., and Wang, E. N., “Probing the Liquid-Vapor Interface during Phase Change Heat Transfer,” Gordon Research Conference on Micro and Nanoscale Phase Change Heat Transfer, Galveston, TX, January 10-16, 2015.
  9. Humplik, T., Raj, R., Maroo, S. C., Laoui, T., and Wang, E. N., “Optimized Zeolite-based Membranes for Water Desalination,” MARC 2014, Bretton Woods, NH, January 2014.
  10. Raj, R., Adera, S., Enright, R., and Wang, E. N., “Polygonal Droplets on Microstructured Surfaces,” Visualization of Heat Transfer, ASME 2013 Summer Heat Transfer Conference, Minneapolis, MN, July 14-19, 2013. [Related Content]
  11. Raj, R., Enright, R., Zhu, Y., Adera, S., Wang, E. N., “Thermodynamic Model for Contact Angle Hysteresis on Heterogeneous and Superhydrophobic Surfaces,” ASME 2013 Summer Heat Transfer Conference, Minneapolis, MN, July 14-19, 2013.
  12. Raj, R., Xiao, R., and Wang, E. N., “Experiments, Modeling, and Optimization of Thin Film Evaporation in Microstructured Capillary Wicks,” ASME 2013 Summer Heat Transfer Conference, Minneapolis, MN, July 14-19, 2013.
  13. Raj, R., Maroo, S. C., and Wang, E. N., “Substrate Effect on the Wettability of Graphene,” 2013 Material Research Society Spring Exhibit and Meeting, San Francisco, California, April 1-5, 2013. [Related Content]
  14. Humplik, T., Raj, R., Laoui, T., Wang, E. N., “Determining the Optimal Zeolite Properties for Increasing Water Permeability,” Material Research Society Spring Exhibit and Meeting, San Francisco, CA, April 1-5, 2013.
  15. Raj, R., Enright, R., Adera, S., and Wang, E. N., “Thermodynamic Model for Contact Angle Hysteresis on Rough Surfaces,” Bulletin of the American Physical Society, APS March Meeting, 58(1), 2013.
  16. Adera, S., Raj, R., Enright, R., and Wang, E. N., “Evaporation-Induced Cassie Droplets on Superhydrophilic Microstructured Surfaces,” ASME International Mechanical Engineering Congress and Exposition, Houston, Texas, November 9-15, 2012.
  17. Di Marco, P., Raj, R., and Kim, J., “Boiling in Variable Gravity under the Action of Electric Field: Preliminary Results of Two Parabolic Flight Experiments,”Seventh International Topical Team Workshop on Two-Phase Systems for Ground and Space Applications, Bejing, China, September 17-21, 2010.
  18. Kim, J., Raj, R., and McQuillen, J., Pool Boiling Heat Transfer in Microgravity: Results from the Microheater Array Boiling Experiment (BXF-MABE) on the ISS, 1st Annual ISS research and Development Conference, Colorado, Denver, USA, June 26-27, 2012.
  19. Raj, R., and Kim, J., “Characterization of Pool Boiling over a Range of Gravity Levels and Heater Sizes,” Fifth International Topical Team Workshop on Two-Phase Systems for Ground and Space Applications, Kyoto, Japan, September 26-29, 2010. (Best Poster Award) [Related Content]
  20. Raj, R., Kim, J., and John McQuillen, “Gravity Scaling Parameter for Pool Boiling Heat Transfer,” Fifth International Topical Team Workshop on Two-Phase Systems for Ground and Space Applications, Kyoto, Japan, September 26-29, 2010.
  21. Di Marco, P., Raj, R., and Kim, J., “Boiling in Variable Gravity under the Action of Electric Field: Preliminary Results from the Parabolic Flight Experiments,”Fifth International Topical Team Workshop on Two-Phase Systems for Ground and Space Applications, Kyoto, Japan, September 26-29, 2010.
  22. Raj, R., Kim, J., and McQuillen, J., “Subcooled Pool Boiling in Variable Gravity Environments,” Third International Topical Team Workshop on Two-Phase Systems for Ground and Space Applications, Brussels, Belgium, September 10-12, 2008.

Patents – 5


    GRANTED
  1. Raza, M. Q., and Raj, R., “Surfactant Based Boiling System for Zero Gravity,” Application filed with the Indian Patent Office, Serial Number 208/KOL/2015, Date 26/02/2015.
  2. Xiao, R., Raj, R., Narayanan, S., Wang, E. N., Enright, R., and Maroo, S. C., “Evaporative Heat Transfer System,” U.S. Patent No. 9,835,363, issue Date. December 5, 2017. [Link]
  3. FILED
  4. Sharma, D., Kumar, A., Ghosh, D. P., Raj, R., and Saha, S. K., "An Improved Heat Sink System for Suppressing Two-Phase Thermal and Flow Instabilities and a Method Thereof," Application filed with the Indian Patent Office, Serial Number 201931001796, Application no. TEMP/E-1/1873/2019-KOL, Date 15/01/2019.
  5. Sunil, Raj, R., Thakur, A. D., Rajan, B. K., Chaitanya, B., Sinha, R., Agarwal, A., and Agarwal, A., “System and Method for Heat Recovery in Gasification Process,” Application filed with the Indian Patent Office, Serial Number 201831011600, Application no. TEMP/E-1/12145/2018-KOL, Date 28/03/2018.
  6. Raj, R., Thakur, A., Banerjee, S., and Pandey, U., “A System and Method for Controlling Buoyancy of an Underwater Submersible,” Application filed with the Indian Patent Office, Serial Number 201831028588, Application no. E-12/31190/2018-KOL, Date 30/07/2018.

Book Chapters – 3


  1. Chaitanya, B., Thakur, A. D., and Raj, R., 2020, “Biomass Gasifier-Powered Adsorption Chiller for Atmospheric Water Harvesting: Prospects in Developing World,” Advances in Energy Research – , Springer, pp. 451-460. ISBN 978-981-15-2666-4. [Link]
  2. Ghosh, D. P., Raj, R., Mohanty, D., Saha, S. K., 2016, “Onset of Nucleate Boiling, Void Fraction, and Liquid Film Thickness,” Microchannel Phase Change Transport Phenomena, Elsevier, pp. 5-90. [Link]
  3. Chattopadhyay, A., Thakur, A., and Raj, R., 2016, “Spline Based Modeling of Two-Dimensional Droplets on Rough and Heterogeneous Surfaces,” Fluid Mechanics and Fluid Power – Contemporary Research, Springer, ISBN 978-81-322-2741-0. [Link]

Invited Talks – 27


  1. Novel Insights on Fluidic Interfaces in Thermal Applications, Bubble Dynamics during Boiling with Foaming Solutions, ScienceConnect: Langmuir, The ACS Journal of Fundamental Interface Science, 10-12 October, 2020.
  2. Boiling Heat Transfer in Earth and Space, TEQIP-3 Webinar, Bhagalpur College of Engineering, Gaya, Bihar, India, September 25, 2020.
  3. Boiling Heat Transfer in Earth and Space, TEQIP-3 Webinar, Gaya College of Engineering, Gaya, Bihar, India, August 4, 2020.
  4. Bubble Dynamics during Boiling with Foaming Solutions, Two Day International Workshop on Interfacial Flow and Heat Transfer in Droplets and Liquid Films for Advanced Thermal Management,IIT Bombay, Mumbai, India, March 6-7, 2020.
  5. Boiling with Foaming Solutions for Earth and Microgravity Applications, Keynote Address, 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference, IIT Roorkee, India, December 23-31, 2019.
  6. Passive Heat Spreader for Hotspot Mitigation, Structured Training Programme (STP) on 'GenNext Spacecraft Systems & Technologies', URSC, ISRO, December 16-20, 2019.
  7. Workshop on Research Projects and Publications, Keynote Address, Amity University, Ranchi, Jharkhand, July 2019
  8. Energizing the Waste: Biomass Based Gasifier Heating System for Energy and Environment Applications, TEQIP-III Sponsored Faculty Development Programme, Bhagalpur College of Engineering, Bihar, May 2019
  9. Development of Two-Phase heat Sinks for Earth and Microgravity Thermal Management Applications, Department of Mechanical Engineering, Indian Institute of Science, Bangalore, April 5, 2019
  10. Agricultural Waste Based Gasifier Heating System for Various Energy and Environment Applications, TEQIP III, National Institute of Technology Patna, December 19, 2018.
  11. Two-Phase Heat Spreader for Hotspot Mitigation in Reduced Gravity Applications, INAE Annual Convention, RCI Hyderabad, December 13-15, 2018
  12. Vapor Crowding-based Limit to Pool Boiling Critical Heat Flux, Keynote Address, ASME 2017 International Conference on Nanochannels, Microchannels and Minichannels, Hyatt Regency, Cambridge, MA, August 27-30, 2017.
  13. Pool Boiling Critical Heat Flux Enhancement Strategies on Earth and in reduced Gravity of Space, Indian Institute of Technology Gandhinagar, September 8, 2017.
  14. Vapor Crowding based Hydrodynamic Limit to Critical Heat Flux during Pool Boiling with Nanofluids and Aqueous Surfactant Solutions, Department of Mechanical Engineering, University of Maryland, College Park, MD, USA, August 25, 2017.
  15. Critical Heat Flux Mechanism during Boiling with Surfactants, 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, MNNITA, Allahabad, U.P., India, December 2016.
  16. Boiling Heat Transfer: Introduction to Applications, Workshop on Boiling Heat Transfer, BCE Bhagalpur, Bihar, December 2016.
  17. Nanotechnology for Two Phase Flow and Heat Transfer Enhancement, TEQIP-II Sponsored Two Day’s National Workshop on “Advances in Two-Phase Flow and Heat Transfer” , NIT Agartala, Tripura, March 2016.
  18. Nanotechnology for Energy Efficient Thermal Management, TEQIP-II Sponsored Faculty Development Programme, College of Engineering, Adoor, Kerela, December 2015.
  19. Surfactants for Bubble Removal against Buoyancy, ISRO Satellite Centre, Bangalore, December 2015.
  20. SEISMECH 2015, The Annual Technical Symposium, Department of Mechanical Engineering, IIT Guwahati, March 2015.
  21. Role of Wettability on Micro and Nano-structured Surfaces for Enhanced Phase Change Heat Transfer, International Workshop on Thermal Design and Management in Electronics, Bangalore, December 2013.
  22. Microheater Array Boiling Experiment (MABE) on the International Space Station, ISRO Satellite Centre, Bangalore, December 2013.
  23. Thermo-Fluidic Transport Processes Near the Three-Phase Contact Line, Recent Advances in Micro/Nanoscale Heat Transfer and Applications in Clean Energy Technologies, IIT Ropar, December, 2013.
  24. Thermo-Fluidic Transport Processes near the Microscopic Contact Line, International Symposium on Micro/Nanoscale Heat Transfer & its Applications, PESIT Bangalore, December 2013.
  25. Surface Heterogeneity Effects on the Wettability of Graphene, Department of Mechanical Engineering, Syracuse University, March 2013.
  26. Multiscale Transport Phenomena for Space and Energy Applications, Department of Mechanical Engineering, Indian Institute of Technology, Bombay, September 2012.
  27. Scaling of Pool Boiling Heat Flux with Gravity and Heater Size, Device Research Laboratory, Massachusetts Institute of Technology, March 2011.