Dr A Valan Arasu is a Associate Professor, Department of Mechanical Engineering, Thiagarajar College of Engineering, Madurai. He has over 14 years of experience as a teacher of Thermodynamics and Thermal Engineering. He is a life member of ISTE and a member of SAEINDIA. He has published numerous technical papers in referred international journals and conferences and has also carried out DST, AICTE and TNSCST sponsored research projects. He is listed in Marquis Who's Who in the World 2009. He has authored two books Turbo Machines and Thermodynamics.