Ramesh Kumar is an aerospace engineering professional with over eight years of teaching and research experience, currently working as an Assistant Professor at UPES Dehradun. He completed his M.Tech from IIT Bombay and is presently pursuing his Ph.D. at IIT Roorkee.He serves as the Vice Chair of the ASME GT India Student Seminar Group, collaborating with industry and academia to promote technical outreach and student development. He is also a Senior Member of the Aeronautical Society of India, recognizing his active contributions to the aerospace community.His areas of expertise include CFD-based aerothermal analysis, high-pressure compressor design, UAV propulsion, and gas turbine performance evaluation. He has guided numerous student projects, contributed to curriculum development, and participated in various national and international technical forums.Dedicated to integrating theory with real-world engineering practice, Ramesh Kumar continues to mentor and inspire aspiring aerospace engineers. This book reflects his commitment to advancing turbomachinery and propulsion knowledge.