Dr. M. Ramgopal is currently a Professor of Mechanical Engineering at Indian Institute of Technology Kharagpur. He obtained his Ph.D. degree from the Indian Institute of Technology, Madras, in 1996. His major research interests are in the fields of refrigeration, air conditioning, thermal comfort and sorption-based energy conversion systems with more than 50 papers in respected international journals. Currently, he is working towards the development of a practical CO2-based refrigeration system. Prof. Ramgopal serves as a member of the Editorial Advisory Board of the journal Buildings & Environment, an Elsevier publication. He is a member of the International Institute of Refrigeration (IIR), Commission B2, and also of the Technical Committee, Indian Society for Heating, Refrigeration and Air conditioning Engineers (ISHRAE). Dr. Sachindra K. Rout, a Ph.D. from the National Institute of Technology, Rourkela, India, is currently an Assistant professor at the Department of Mechanical Engineering, C. V. Raman College of Engineering, Bhubaneswar, and Head of the Centre of Excellence on Heating, Ventilation & Air Conditioning. His research interests include refrigeration & air conditioning, application of solar energy in heating and cooling, cryogenic refrigeration and liquefaction systems and closed cycle cryocoolers. He is also interested in the development of laboratory equipment for teaching or HVAC&R. He has published 14 papers in respected international journals. Dr. Rout also served as an Editor of an issue of the Energy Procedia series.Dr. Sunil Kumar Sarangi, Ph.D. from the State University of New York, Stony Brook, is currently Professorial Fellow, School of Mechanical Sciences, Indian Institute of Technology Bhubaneswar, and Academic Advisor to the C. V. Raman College of Engineering, Bhubaneswar. His research interests include cryogenic refrigeration and liquefaction systems including process design, helium compressor, purifier, heat exchanger, expansion turbine and system integration; air separation; closed cycle cryocoolers; cryogenic applications in industry, biology and medicine; refrigeration and air conditioning. He has published more than 100 papers in respected international journals. Prof. Sarangi, a Fellow of the Indian National Science Academy and a Life Fellow of the Indian Cryogenics Council, has been bestowed with the Distinguished Teacher Award of INAE – 2016, Lifetime Achievement Award of the Indian Cryogenics Council, 2017, and Odisha Citizen Award 2015 for contributing and providing iconic leadership in the field of education.
