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Name : Dr. Ashok Kumar Dewangan
Designation : Assistant Professor
Department : Department of Mechanical Engineering
Qualification : M.Tech. (IIT Kharagpur), Ph.D. (IIT Roorkee)
Phone :
Email ID : ashokd@nitdelhi.ac.in

Position Held

Qualification-fdjk

Sl. No.

Degree

University / Institute

1

X

MP Board Bhopal

2

XII

CG Board Raipur

3

B. TECH.

NIT Raipur

4

M. TECH.

IIT Kharagpur

5

Ph.D.

IIT Roorkee

Awards & Honors

Research

Administration

Publications

  1. Sanjeev K Sajjan, Ashok K. Dewangan, Ravi Kumar and Akhilesh Gupta “Experimental Investigation and Non-dimensional Regression Analysis of Condensation Heat Transfer of R-600a over Finned Tubes” International Journal of Thermal Sciences, 170,107174,1-10, 2021.
  2. Ashok K. Dewangan, Anil Kumar and Ravi Kumar “Experimental Study of Bubble Behaviors during Boiling of a Hydrocarbon Refrigerant” International Journal of Thermal Sciences, Volume 166, 106989, 1-10, 2021.
  3. Ashok K. Dewangan, Sanjeev K Sajjan, Anil Kumar and Ravi Kumar, “Pool Boiling Heat Transfer on a Plain Tube in Saturated R-134a and R-410A”, Heat and Mass Transfer, 56, 1179-1188, 2020.
  4. Ashok K. Dewangan, Anil Kumar and Ravi Kumar, “Experimental Study of Nucleate Pool Boiling of R-134a and R-410A on a Porous Surface”, Heat Transfer Engineering, Volume 40, Issue 15, 1249-1258, 2019.
  5. Ashok K. Dewangan, Anil Kumar and Ravi Kumar, “Pool boiling of iso-butane and quasi azeotropic refrigerant mixture on coated surfaces”, Experimental Thermal and Fluid Science, Volume 85, 176-188, 2017.
  6. Ashok K. Dewangan, Anil Kumar and Ravi Kumar, “Experimental study of nucleate boiling heat transfer of R-134a and R-600a on thermal spray coating surfaces”, International Journal of Thermal Sciences, Volume 110, 304-313, 2016.
  7. Ashok K. Dewangan, Anil Kumar and Ravi Kumar, “Nucleate Boiling Heat Transfer of Pure and Quasi-azeotropic Refrigerants from copper coated surfaces”, Applied Thermal Engineering, Vol 94, 395-403, 2016.
  8. Ashok K. Dewangan, Anil Kumar and Ravi Kumar, “Pool Boiling Heat Transfer of R-134a and R-410a on a Smooth Tube”, Journal of Sustainable Manufacturing and Renewable Energy, Vol 3, 1-2, 2015.
  9. Ashok K. Dewangan and Parthasarathi Ghosh, “An Experimental Setup for Thermodynamic and Rotordynamic Performance Study of Cryogenic Turboexpander”, Indian Journal of Cryogenics, Vol 35 A, 2010.
  10. Syed Quadir Moinuddin, Syed Shaul Hameed, Ashok Kumar Dewangan, K. Ramesh Kumar, and A. Shanta Kumari “A study on weld defects classification in gas metal arc welding process using machine learning techniques”, Material Today: Proceedings, Vol 43, 623-628, 2020.
  11. Ashwini Shrivastava, Devendra Singh, Ajay Kumar Sharma, and Ashok K Dewangan “Design and Performance Analysis of a Wick-Type Solar Distillation Unit”, 1ST International Conference on Energy, Material Sciences and Mechanical Engineering, NIT Delhi, Oct-Nov 2020.
  12. Ashok K. Dewangan, and Sanjeev K Sajjan, “Boiling Behavior of Iso-butane on a horizontal Plain Tube”, 1st International Conference on Thermal Engineering and Management Advances (ICTEMA 2020), Jalpaiguri Government Engineering College West Bengal, June 2020.
  13. Ashok K Dewangan, and Sopan Shukla “Analytical Design of Heat Exchanger for Helium Refrigerator” International Conference on Recent Trends in Renewable Energy & Sustainable Development (ICRTRESD-2020) BIT Raipur Chhattisgarh, Jan 2020.
  14. Ashok K. Dewangan, Anil Kumar and Ravi Kumar, “Visualization of pool boiling on uncoated and coated surfaces”, 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference, Department of Mechanical & Industrial Engineering Indian Institute of Technology Roorkee, Dec, 2019.
  15. Surajit Choudhury and Ashok K Dewangan, "Optimisation of Thermal Performance of the Pulsating Heat Pipe for Hybrid Vehicle Applications", International Conference on Advances in Refrigeration & Energy SYSTEMS -2018 ICARES-2018, Poornima College of Engineering Jaipur, Rajasthan, April 2018
  16. Ashok K. Dewangan, Anil Kumar and Ravi Kumar, “Experimental Study of Nucleate Pool Boiling of R-134a and R-410A on a Porous Surface”, Proceedings of the 23rd National Heat and Mass Transfer Conference and 1st International ISHMT-ASTFE Heat and Mass Transfer Conference IHMTC2015, Thiruvananthapuram, Kerala, India.
  17. Ashok K. Dewangan, Anil Kumar and Ravi Kumar, “Numerical Investigation of Nucleate Boiling Heat Transfer Enhancement from a Porous Surface”, 22nd National and 11th International ISHMT-ASME Heat and Mass Transfer Conference 2013, organized by IIT Kharagpur, India.
  18. Sathya Raj Chilumula, Ashok Kumar Dewangan, Roopesh K and Abhishek Mishra, “A Study on Nonlinear Elastoplastic Numerical Analysis of Materials”, 6th International Conference on Advanced Production and Industrial Engineering (ICAPIE- 2021), June 18-19, 2021 at Delhi Technological University (DTU), Delhi, India
  19. Ashok K. Dewangan, and Sanjeev K. Sajjan, “Boiling Behavior of Iso-Butane on a Horizontal Plain Tube”, Advances in Thermal Engineering, Manufacturing, and Production Management, Chapter 3, Lecture Notes in Mechanical Engineering, Springer, 2021.
  20. Syed Q. Moinuddin, Ashok K. Dewangan, and Suuraj Roshan, “Direct Metal Laser Sintering Process”, Advances in Additive Manufacturing Processes, Chapter 3, Bentham Science, 2021.
  21. Ashok K. Dewangan, Anil Kumar and Ravi Kumar, “Nucleate Pool Boiling Heat Transfer of Refrigerants using Coated Surface”, Advanced Cooling Technologies and Applications, Chapter 6, IntechOpen, 2019.

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Selection Committee Member

Membership