Chapter 18

Refrigeration Cycles

LEARNING OBJECTIVES
  • To draw schematic diagrams and property diagrams for all types of refrigeration systems
  • To conduct cycle analysis of vapor compression, vapor absorption and gas refrigeration systems
  • To differentiate between cascade and multi stage refrigeration

18.1 Introduction

After studying vapour power cycles and gas power cycles in the previous chapters, we will now focus our attention on the third class of thermodynamic cycles which deal with refrigeration. Just as power cycles may be classified into vapour power cycles or gas power cycles, depending on the state of the working fluid, so can refrigeration cycles be classified into vapour refrigeration cycles and gas refrigeration cycles. The following ...

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