This book presents selected extended papers from the International Conference on Mechanical Engineering (INCOM 2024), describing recent advances in thermo-fluids engineering research. Various topics covered in this book are design and analysis of thermal systems, dynamics and control of thermal systems and processes, fluid mechanics, fluid–structure interaction, heat transfer, internal combustion engines and gas turbines, multiphase flow, and heat transfer. The book is a valuable reference for researchers and professionals working in the fields of mechanical, aerospace, chemical, and power engineering and also for a number of interdisciplinary areas like materials processing, electronic, and energy storage systems where thermal management is a key design issue.