Dr. S. K. Tyagi is working as Associate Professor at Centre for Energy Studies, IIT Delhi and earlier he has worked as Scientist-E at Sardar Swaran Singh National Institute of Renewable Energy, Kapurthala, an autonomous institution of the Ministry of New and Renewable Energy, Government of India. He has also worked as Assistant Professor at SMVDU, Katra (J&K). Earlier, Dr. Tyagi has also worked as Invited Scientist at Korea Institute of Energy Research, South Korea and Post-Doctoral Fellow at The Hong Kong Polytechnic University, Hong Kong, Zhejiang University, Hangzhou and Xiamen University, Xiamen, China during 2002–2008. He has made a significant contribution in R&D activities as evident by more than 160 publications in Journals/Conferences of repute. He has guided 06 Ph.D. Theses and 12 M.Tech. projects.
Research Interest: Heat Transfer and Thermodynamic Studies of Solar and Thermal Energy Systems; Solar-Biomass Hybrid Cooling and Heating Systems; Design and Evaluation of Biomass Combustion Devices; Energy Conservation; Energy and Exergy Analyses