Gas turbine technology, essential for powering various vehicles and generating electricity, has witnessed rapid evolution driven by advancements in materials and computer-based design. This comprehensive book delves into the fundamental principles and complex theories of gas turbines, shedding light on thermal efficiency, heat transfer, low emission technologies, and diagnostic methodologies. Covering a wide spectrum of topics including aircraft engines, power plants, and emerging micro gas turbine technologies, it remains a valuable compilation for both beginners and experts in the field. By incorporating new and emerging topics, the book stays relevant as the standard reference in gas turbine engineering. With a coherent flow of topics, accessible language, and ample examples, it serves as an indispensable source of knowledge for a broad range of readers interested in understanding the intricacies of gas turbine technology and its applications.