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Unit 4 refrigerants ignou
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UNIT 4 REFRIGERANTS - IGNOU - The People's …
www.ignou.ac.inUNIT 4 REFRIGERANTS Structure 4.1 Introduction Objectives 4.2 Primary and Secondary Refrigerants 4.3 Classification of Refrigerants 4.4 Designation of Refrigerants
UNIT 2 REFRIGERATION CYCLE Refrigeration Cycle
www.ignou.ac.in21 Refrigeration Cycle Figure 2.4 : Effect of Discharge Pressure 2.2.3 Conditions for Highest COP Effect of Evaporator Pressure Consider a simple saturation cycle 1-2-3-4 with Freon 12 as the refrigerant as