Transcription of Unit 5: Refrigeration Systems - IGNOU
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67 Refrigeration Systems UNIT 5 Refrigeration Systems Structure Introduction Objectives Vapour Compression Systems Carnot Vapour Compression Systems Limitations of Carnot Vapour Compression Systems with Vapour as Refrigerant Dry vs. Wet Compression Throttling vs. Isentropic Compression Standard Vapour Compression Cycle Pressure Enthalpy Diagram Ewing s Method for Suction State with Respect to Maximum COP Standard Rating Cycle and Effect of Operating Conditions Effect of Evaporator Pressure Effect of Condenser Pressure Effect of Suction Vapour Superheat Effect of Liquid Subcooling Using Liquid-Vapour Heat Exchanger Actual Vapour Compression Cycle Multistage Vapour Compression System Multistage Compression System Multistage Evaporator System Cascade Refrigeration System Summary Answers to SAQs INTRODUCTION Refrigeration Systems refer to the different physical components that make up the total Refrigeration unit.
69 Figure5.1 (b) shows the T-S plot of the working of such a system. Here, the dry Refrigeration Systems saturated working medium at state 1 …
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COMPRESSIBLE, Isentropic, APPLIED THERMODYNAMICS TUTORIAL 1, APPLIED THERMODYNAMICS TUTORIAL 1 REVISION, Nozzles, WINSTEAM USER’S MANUAL, Rosemount 3051S April 2007, API Standard 2000, Vortron Industrial Data Sheet, Pressure operation of large conventional, Pressure operation of large conventional steam