The Theory of Internal Combustion Engines . Working processes”, created by the team of authors, is an indispensable source of knowledge for engineers, students of technical specialties and all those who are interested in modern technologies in the field of energy and mechanical engineering . This publication reveals to the reader the complex mechanisms and processes underlying the functioning of internal combustion engines, and makes them understandable even for those who are just starting their way in the engineering sciences. The focus of this book is an in-depth analysis of the workflows taking place inside the engine, ranging from the theoretical foundations to the practical aspects of design and optimization. The authors masterfully explain how different engine components interact, what physical and chemical processes occur during fuel combustion, and how these processes can be improved to improve efficiency, reduce emissions, and increase engine life. Particular attention is paid to modern trends in the development of internal combustion engines, including the use of new materials, control systems and environmental standards. The Theory of Internal Combustion Engines . Work processes" is intended for those who want not only to understand the basic principles of the engine, but also to learn how to analyze its work at the level of work processes. This makes it a valuable resource for technical university students, graduate students, design engineers, and maintenance professionals. Thanks to the clear presentation of complex concepts and rich illustrative material, the book is easily perceived and contributes to the formation of a systemic understanding of the engine, which is especially important when developing new models and improving existing ones. A feature of this publication is its practical focus. The authors are not limited to theory, but give real examples, calculation formulas and methods for analyzing workflows, which allows the reader to apply the knowledge gained in professional activities. The book deals in detail with such topics as combustion cycles, intake and exhaust processes, thermal losses, mechanical and thermal efficiency, as well as environmental safety and compliance with modern standards. The presentation style is distinguished by clarity and logical consistency, which makes the book available to both beginners and experienced specialists. The team of authors, known for their scientific publications and practical developments in the field of engine building, has created a work that not only expands the horizons, but also stimulates further professional development. Inspired by their other works, such as research in the field of thermal machines and innovative technologies in the energy sector, we can say that this book is a logical continuation of their scientific activities, combining theory and practice. If you are looking for a book that will help you understand the internal mechanisms of internal combustion engines, understand the intricacies of workflows and learn how to apply this knowledge to improve the efficiency of technology, "The Theory of Internal Combustion Engines . Workflows” will be a valuable assistant for you . This publication is ideal for those who are striving for professional growth, are interested in modern technologies and want to be aware of the latest achievements in the field of mechanical engineering and energy. In an era of environmental challenges and constant innovation, this book will help you understand how to make engines more environmentally friendly and economical, while maintaining their power and reliability. So, if you’re looking for a book that combines a deep theoretical base, practical advice, and up-to-date information, Internal Combustion Engine Theory. Workflows” your reliable source of knowledge. This is a work worthy of the attention of engineers, students and everyone who appreciates accuracy, scientific validity and modern approaches in the field of engine building.