Fundamentals Of Refrigeration Thermodynamics by Daniel Micallef
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The aim of the book is to provide first degree engineering students with the foundations on refrigeration engineering. It covers the basic principles in refrigeration and is not intended to provide specialized knowledge on the subject. Students who further their studies on refrigeration shall still find this book as a good reference. Refrigeration courses could be part of a mechanical, chemical or for instance energy engineering courses. The philosophy employed throughout the entire book is to provide a modern approach to the subject. The later chapters provide fundamental knowledge of refrigeration system simulations. This can be considered as a more advanced topic which is usually more useful to the Masters degree student. Nonetheless, the material presented is comprehensive and will give students a good background of modelling refrigeration systems.
The book is structured into eight chapters. Chapters 1–3 provide some background thermodynamic knowledge required for refrigeration systems engineering. Chapters 4 and 5 are the core chapters of the book which focus on the various refrigeration cycles which are most commonly used. Chapter 6 is an introduction to chapters 7 and 8 which are focused on numerical modelling of vapour compression and vapour absorption systems. The software used for the implementation of the mathematical models is MathWorks®MATLAB. The following is an overview of the chapters in the book:
1. Fundamentals of thermodynamics – The basic thermodynamic principles are presented here. The topics covered are sufficient for what will be used throughout the text when analyzing refrigeration systems. Since in most cases, students taking courses in refrigeration have a good thermodynamics background, this chapter is aimed to provide a revision of the salient points in thermodynamics.
2. Heat engines and reversed heat engines – This chapter aims at complementing chapter 1 and exposes the fundamental principles of heat engines and reversed heat engines. Thermodynamic cycles are also introduced which will also be very important to describe refrigeration units.
3. Working fluids – The working fluids and their thermodynamic characteristics are described in this chapter. The properties of refrigerants and environmental issues associated with them are discussed.
4. Vapour compression cycles – The basic vapour compression refrigeration cycle is here presented in detail. More advanced multi-stage cycles are also introduced. The inclusion of a description on heat pumps is inevitable even though the book is only dedicated to refrigeration.
5. Vapour absorption and other cycles – Vapour absorption cycles as well as other, less common refrigeration methods are discussed to give the student a broad overview of refrigeration systems other than vapour compression cycles.
6. Principles of numerical modelling and experimentation – This chapter serves as an introduction to the final chapters of the book. Such topics are becoming ever so important with the widespread use of computer programs to analyze thermodynamic systems.
7. Vapour compression system modelling – In this chapter, mathematical modelling of the vapour compression systems is discussed. The possibility to analyze a large number of test cases is emphasized and the behaviour of these systems with respect to various parameters is considered.
8. Vapour absorption system modelling – This chapter follows the same organization as chapter 7 but this time focussed on vapour absorption cycles.
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