Dr. Vedharaj S


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Dr. S. Vedharaj is an Assistant Professor in the Department of Mechanical Engineering, National Institute of Technology, Tiruchirappalli, (NIT-T), Tamil Nadu, India. He received his PhD degree from the National University of Singapore (NUS), Singapore. He was a Post-Doctoral research fellow at the clean combustion research centre (CCRC), King Abdullah University of Science and Technology (KAUST), Saudi Arabia. He has more than ten years of research experience in the field of IC engines and his major research area includes low-carbon fuels, hydrogen-based fuels, low-temperature combustion, partially premixed combustion, pre-chamber spark ignition system and high-efficiency combustion concepts. He has published 40 research articles in high-quality journals and has been granted one US Patent.

Dr. S. Vedharaj received funding from Science and Engineering Research Board (SERB) under the early career research award (ECRA) scheme and from NIT-T under the institute seed grant scheme to establish clean combustion laboratory, a research laboratory at NIT-T for performing fundamental spray and flame characterization studies.

Educational Qualification

Degree Board / University Year
Ph.D. National University of Singapore, Singapore 2014
B.E Anna University, Tamil Nadu. 2008

Employment Profile

Job Title Employer  From To
Assistant Professor National Institute of Technology, Tiruchirappalli 2018 Present
Post-doctoral research fellow Clean Combustion Research Center (CCRC),
King Abdullah University of Science and Technology (KAUST), Saudi Arabia
2015 2017
Associate Professor Kalasalingam University, Tamil Nadu, India. 2014 2015
Supplier Quality Engineer AVTEC Limited, Madhya Pradesh, India 2008 2009


  • Internal combustion engines
  • Low-temperature combustion
  • Low carbon fuels
  • High efficiency combustion concepts
  • Pre-chamber ignition system
  • Gasoline compression ignition
  • characterization of spray and flame

Sponsored Projects

Sl. No Project Title Sanctioned Amount (in Rupees) Sponsoring Agency Period Role
1 Study on High Efficiency Pre-Chamber Combustion Concept to Extend Gasoline Lean Limit in a Constant Volume Combustion Chamber 43,05,860 SERB (ECRA Scheme) 2019 - 2022 PI


  • Singh, Eshan, Vedharaj Sivasankaralingam, Vallinayagam Raman, Mohammed Jaasim Mubarak Ali, Hong G. Im, Kai J. Morganti, Gautam T. Kalghatgi, and Robert W. Dibble. "Internal combustion engines having super knock mitigation controls and methods for their operation." U.S. Patent 11,473,550, issued October 18, 2022.


Contact Address

Dr. S.Vedharaj
Assistant Professor
M-13, Department of Mechanical Engineering
National Institute of Technology, Tiruchirappalli
Tamil Nadu - 620015, India
Telephone: 0431 2503413
Email: vedha@nitt.edu, vedhusiva@gmail.com
Clean Combustion Laboratory

Last Modified: 02-April-2023