Dr. Mrinal Kaushik is an Associate Professor in the Department of Aerospace Engineering at IIT Kharagpur. Prior to joining this institute in 2013, he worked at the Defence Institute of Advanced Technology in Pune, the General Motors Technical Center in Bangalore, the Indian Space Research Organization in Trivandrum, and Tata Consultancy Services (Mumbai). Dr. Kaushik earned his Ph.D., M.Tech., and B.Tech. in Aerospace Engineering from IIT Kanpur in 2012, 2003, and 1999, respectively. His research interests include Shock-Wave/Boundary-Layer Interactions and Flow Control & Jetacoustics, for which he has published several research articles in peer-reviewed international journals and conference proceedings. Dr. Kaushik has established an indigenously designed fully automated Supersonic Jet Research Laboratory at IIT Kharagpur to investigate jet characteristics. He is a member of numerous national and international professional societies. He has written three other textbooks for engineering students. He has also published a reference book.