jsarkar.mec's picture
Dr. Jahar Sarkar
Associate Professor
Department of Mechanical Engineering, IIT(BHU)
jsarkar.mec@iitbhu.ac.in
9919787557
Area of Interest: 
Heat Transfer, Thermodynamics, Refrigeration, Heat pump, Air-conditioning, Nanofluids

  • Ph.D. in Mechanical Engineering (Topic: Heat Pump), 2006, Indian Institute of Technology Kharagpur, India.
  • M.Tech. in Mechanical Engineering (Thermal Engineering), 2001, Indian Institute of Technology Kharagpur, India.
  • B.E. in Mechanical Engineering, 1999, Indian Institute of Engineering Science & Technology, Shibpur, India.

Teaching & research: Department of Mechanical Engineering, IIT (BHU), Varanasi, India; Associate Professor: 2016 - date.

Teaching & research: Department of Mechanical Engineering, IIT (BHU), Varanasi, India; Assistant Professor: 2005 - 2016.

Research & Development: Research & Developement Centre, Mahindra & Mahindra Limited, Nasik, India; 2001 – 2002.

  • Advanced Thermodynamics (M Tech)
  • Advanced Fluid Mechanics (M Tech)
  • Advanced Heat & Mass Transfer (M Tech)
  • Conduction and Radiation (M Tech)
  • Gas Dynamics (M Tech)
  • Design of Thermal Systems (M Tech)
  • Refrigeration & Air-conditioning (B Tech)
  • Heat & Mass Transfer (B Tech)
  • Engineering Thermodynamics (B Tech)
  • Energy Management (B Tech)

Ph.D. Thesis Guided

1. A.K. Tewari, 2010-13 (Completed)
2. R. R. Sahoo, 2013-17 (Completed)
3. Vivek Kumar, 2015-ongoing.
4. Atul Bhattad, 2015-ongoing.
5. Sumit Kr. Singh, 2015-ongoing.
6. Akhilesh Kr. Singh, 2017-ongoing
7. Sarvesh Kashyap, 2017-ongoing
8. Prasant Saini, 2017-ongoing

MTech thesis: 32

  • Co-investigator of consultancy project ‘Feasibility study of co-firing in pulverized coal boiler with agrofuels‘, Hindalco Industries Limited (Power division), 2013.
  • Co-investigator of sprouting grant project ‘Facilities to measure liquid thermo-physical properties’, IIT (BHU) Varanasi, 2015.
  • Principal Investigator of Institute Research Project ‘Heat Transfer and Flow Characteristics of Hybrid Nanofluids in Mini-Micro-channels’, IIT (BHU) Varanasi, 2016-ongoing.
  • Principal Investigator of project ‘Development of Eco-friendly Heat Pump Dryer for Bio Applications’, Design Innovation Centre - BHU & IIT(BHU) Varanasi, 2017-ongoing.

Total Journal Paper Published: 90
Total Conference Paper Published: 36
Google Scholar Citations: 2527

Journal Papers Published in last 5 years (2013-2017)

  1. Sarkar J. Performance optimization of transcritical CO2 refrigeration cycle with thermoelectric subcooler, International Journal of Energy Research, 2013; 37(2): 121-128.
  2. Tiwari AK, Ghosh P, Sarkar J. Solar water heating using nanofluids - A comprehensive overview and environmental impact analysis, International Journal of Emerging Technology and Advanced Engineering, 2013; 3(3): 221-224.
  3. Sarkar J, Tarodiya R. Performance analysis of louvered fin tube automotive radiator using nanofluids as coolants, International Journal of Nanomanufacturing, 2013; 9(1): 51-65.
  4. Tiwari AK, Ghosh P, Sarkar J. Heat transfer and pressure drop characteristics of CeO2/water nanofluid in plate heat exchanger, Applied Thermal Engineering, 2013; 57(1-2): 24-32.
  5. Tiwari AK, Ghosh P, Sarkar J. Performance comparison of the plate heat exchanger using different nanofluids, Experimental Thermal and Fluid Science, 2013; 49: 141-151.
  6. Sarkar J. Performance analysis of natural-refrigerants-based vortex tube expansion refrigeration cycles, International Journal of Thermal & Environmental Engineering, 2013; 6(2): 61-68.
  7. Sarkar J, Bhattacharyya S, Lal A. Selection of suitable natural refrigerants pairs for cascade refrigeration system, IMechE, Part A: Journal Power Energy, 2013; 227(5): 612-622.
  8. Sarkar J, Bhattacharyya S, Lal A. Performance comparison of natural refrigerants based cascade systems for ultra low temperature applications. International Journal of Sustainable Energy, 2013; 32(5): 406-420.
  9. Sarkar J. Exergy analysis of vortex tube expansion vapor compression refrigeration system, International Journal of Exergy, 2013; 13(4): 431-446.
  10. Sarkar J. Performance of a flat plate solar thermal collector using supercritical carbon dioxide as heat transfer fluid, International Journal of Sustainable Energy, 2013; 32(6): 531-543.
  11. Sarkar J. Performance evaluation of using water-based nanofluids as coolants in the gas cooler of a transcritical CO2 refrigerant system, Journal of Enhanced Heat Transfer, 2013; 20(5): 389-397.
  12. Sarkar J. Thermodynamic optimization of irreversible refrigerator and verification with CO2 system, International Journal of Thermodynamics, 2014; 17(2): 71-79.
  13. Tiwari AK, Ghosh P, Sarkar J, Dahiya H, Parekh J. Numerical investigation of heat transfer and fluid flow in plate heat exchanger using nanofluids, International Journal Thermal Sciences, 2014; 85: 93-103.
  14. Tiwari AK, Ghosh P, Sarkar J. Combined energy and exergy analysis of a corrugated plate heat exchanger and experimental investigation, International Journal of Exergy, 2014; 15(4): 395-411.
  15. Sarkar J, Ghosh P, Adil A. A Review on hybrid nanofluids: Recent research, development and applications, Renewable & Sustainable Energy Reviews, 2015; 43: 164-177.
  16. Sarkar J. Performance improvement of double-tube gas cooler in CO2 refrigeration system using nanofluids. Thermal Science, 2015; 19(1): 109-118.
  17. Sarkar J. Analyses and optimization of a supercritical N2O Rankine cycle for low-grade heat conversion, Energy 2015; 81: 344-351.
  18. Sarkar J. Review and future trends of supercritical CO2 Rankine cycle for low-grade heat conversion, Renewable & Sustainable Energy Reviews, 2015; 48: 434-451.
  19. Tiwari AK, Ghosh P, Sarkar J. Particle concentration levels of various nanofluids in plate heat exchanger for best performance, International Journal of Heat and Mass Transfer, 2015; 89: 1110-1118.
  20. Sarkar J, Bhattacharyya S. Potential of organic Rankine cycle technology in India: Working fluid selection and feasibility study, Energy 2015; 90(2): 1618-1625.
  21. Sarkar J, Joshi D. Extended exergy analysis based comparison of subcritical and transcritical refrigeration systems, International Journal of Air-Conditioning and Refrigeration, 2016; 24(2): No. 1650009.
  22. Sarkar J, Joshi M. Advanced exergy analysis of transcritical CO2 heat pump system based on experimental data, Sadhana (Indian Academy of Sciences), 2016; 41(11): 1359-1356.
  23. Sarkar J. Comprehensive study on the role of eco-friendly working fluid properties on ORC performances, International Journal of Thermodynamics, 2016; 19(4): 198-204.
  24. Mishra S, Sarkar J. Performance characteristic of low-GWP R134a alternative refrigerants in ejector expansion refrigeration system, Archives of Thermodynamics, 2016; 37(4): 55-72.
  25. Sarkar J. Performance analyses of novel two-phase ejector enhanced multi-evaporator refrigeration systems, Applied Thermal Engineering, 2017; 110: 1635-1642.
  26. Sahoo RR, Ghosh P, Sarkar J. Energy and exergy comparisons of water based optimum brines as coolants for rectangular fin automotive radiator, International Journal of Heat and Mass Transfer, 2017; 105: 690–696.
  27. Sarkar J. Property-based selection criteria of low GWP working fluids for organic Rankine cycle, Journal of the Brazilian Society of Mechanical Sciences and Engineering, 2017; 39(4): 1419-1428.
  28. Sahoo RR, Sarkar J. Heat transfer performance characteristics of hybrid nanofluids as coolant in louvered fin automotive radiator, Heat and Mass Transfer, 2017; 53(6): 1923-1931.
  29. Prakash M, Sarkar A, Sarkar J, Mondal SS, Chakraborty JP. Proposal and design of a new biomass based syngas production system integrated with combined heat and power generation, Energy, 2017; 133: 986-997.
  30. Sahoo RR, Ghosh P, Sarkar J. Performance enhancement for wavy fin automotive radiator using optimum PG brine based nanofluids, Heat Transfer - Asian Research, 2017; 46(6): 585-597.
  31. Bhattad A, Sarkar J, Ghosh P. Exergetic analysis of plate evaporator using hybrid nanofluids as secondary refrigerant for low-temperature applications, International Journal of Exergy, 2017; 24(1): 1-20.
  32. Sahoo RR, Ghosh P, Sarkar J. Performance analysis of a louvered fin automotive radiator using hybrid nanofluid as coolant, Heat Transfer - Asian Research, 2017; 46(7): 978-995.

 Top 5 papers according to Citations:

  1. Sarkar J, Bhattacharyya S, Ramgopal M. Optimization of a transcritical CO2 heat pump cycle for simultaneous cooling and heating applications. International Journal of Refrigeration 2004; 27(8); 830-838. [241]
  2. Sarkar J, A critical review on convective heat transfer correlations of nanofluids, Renewable & Sustainable Energy Reviews, 2011; 15(6): 3271-3277. [169]
  3. Bhattacharyya S, Mukhopadyay S, Kumar A, Khurana, Sarkar J. Optimization of a CO2-C3H8 cascade system for refrigeration and heating, Int J Refrigeration, 2005; 28(8): 1284-1292. [130]
  4. Sarkar J, Bhattacharyya S, Ramgopal M. Simulation of a transcritical CO2 heat pump cycle for simultaneous cooling and heating applications, International Journal of Refrigeration, 2006; 29(5); 735-743. [128]
  5. Sarkar J, Ghosh P, Adil A. A Review on hybrid nanofluids: Recent research, development and applications, Renewable & Sustainable Energy Reviews, 2015; 43: 164-177. [114]

Top 5 papers according to Impact factor

  1. Sarkar J, A critical review on convective heat transfer correlations of nanofluids, Renewable & Sustainable Energy Reviews, 2011; 15(6): 3271-3277. [8.050]
  2. Sarkar J. Ejector Enhanced Vapor Compression Refrigeration and Heat Pump Systems - A Review, Renewable & Sustainable Energy Reviews, 2012; 16(9): 6647-6659. [8.050]
  3. Sarkar J, Ghosh P, Adil A. A Review on hybrid nanofluids: Recent research, development and applications, Renewable & Sustainable Energy Reviews, 2015; 43: 164-177. [8.050]
  4. Sarkar J. Review and future trends of supercritical CO2 Rankine cycle for low-grade heat conversion, Renewable & Sustainable Energy Reviews, 2015; 48: 434-451. [8.050]
  5. Sarkar J, Bhattacharyya S. Overall conductance and heat transfer area minimization of refrigerators and heat pumps with finite heat reservoirs, Energy Conversion Management, 2007; 48(3): 803-808. [5.589]

Google scholar link: https://scholar.google.co.in/citations?user=Tv8978gAAAAJ&hl=en
 

1. Editorial Board Member of

‘Energy Science and Technology’,
‘American Journal of Engineering and Applied Sciences’
‘International Journal of Applied Engineering Research’
 

2. Various research papers are as Top downloaded and Top cited articles.

3. Biography included in Marquis Who’s Who in the World, 2010.

4. Author of 17 invited articles in Indian magazine ‘Cooling India’.

5. Invited lectures in various Conferences, STCs and FDPs in India.

6. Organized FDP on 'Nanofluids' in TLC Cell, IIT (BHU) Varanasi.