Dr. S. Karthikeyan is presently working as a Professor in the Mechanical Engineering Department at Syed Ammal Engineering College, Ramanathapuram, Tamilnadu, India. He has 24 years of teaching experience. He has produced five Ph.D. scholars and presently guiding 2 Ph.D. scholars. He has published 100 research papers in International Journals. His specialized area is Thermal engineering, Biofuel, Engine, and solar technology. He received many research funds from AICTE, DRDO, and TNSCST. He finished his doctoral research in Engine Testing at Anna University, Tamilnadu, India, in 2015. He obtained his post-graduation in Anna University, Chennai from 2004 to 2007 and a Bachelor of Engineering in Madurai Kamaraj University, Tamilnadu, India, from 1991 – 1995 from the same college. Currently, he acts as a guest editor of different journals like Elsevier, Springer, Hindawi, etc…