The book "Heat testing and operation of marine diesel engines", written by the team of authors, is an indispensable work for all who are interested in modern technologies in the field of shipbuilding and operation of marine transport . This publication will be useful both for students studying marine engineering and for practitioners working in shipbuilding and ship repair enterprises. The book focuses on the key aspects of heat engineering testing of marine diesel engines, which are the heart of any marine vessel. The authors examine in detail the methods of diagnosis and evaluation of the efficiency of diesel engines, as well as their impact on the overall performance of the ship. The reader will be able to learn about modern approaches to testing, which not only improve the reliability and safety of engines, but also reduce their impact on the environment. The book covers a wide range of topics, including thermodynamics, heat transfer, as well as methods for monitoring and assessing the state of diesel engines. Particular attention is paid to issues related to engine optimization, which is especially important in modern navigation, where fuel economy and emission reduction become priorities. The authors share their knowledge and experience, which makes the book not only theoretically sound, but also practical. For students and young professionals, this publication will be an excellent help in the study of a complex but fascinating area. It will help to better understand how ship diesels work, what factors affect their performance and how to properly conduct tests. Professionals working in the industry will find in the book up-to-date data on new technologies and methods that will help them in their daily work. The style of the authors is distinguished by clarity and accessibility, which makes complex technical aspects understandable even for those who are just starting their way in this area. The book is replete with illustrations, diagrams and tables, which facilitates the perception of information and allows the reader to quickly find the necessary data. This is especially important for practicing engineers who need to navigate quickly in materials. The book "Heat testing and operation of marine diesel engines" will be of interest not only to specialists in the field of shipbuilding, but also to everyone who is interested in marine technologies, ecology and energy. It will be an excellent addition to the library of anyone who wants to deepen their knowledge of modern diesel engines and their role in shipping. If you are interested in topics such as shipbuilding, sea transport operation, diesel engines, as well as you are looking for high-quality training materials for preparation for exams or advanced training, this book will be a real find for you. It will not only expand your horizons in the field of heat engineering, but also help you better understand how systems work that ensure the movement of ships through water spaces. Thus, “Heat testing and operation of marine diesel engines” is not just a book, but a storehouse of knowledge that will help you become an expert in your field. Do not miss the opportunity to touch the world of modern technology and learn more about how diesel engines work, which ensure the reliability and safety of maritime transport.