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Experiment 9 Evaporator Analysis & Coefficient of Performance

Experiment 9 Evaporator Analysis & Coefficient of Performance. I deal Refrigeration C ycle. 1-2 Isentropic compression in a compressor 2-3 Constant-pressure heat rejection in a condenser 3-4 Throttling in an expansion device 4-1 Constant-pressure heat absorption in an evaporator.

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Experiment 9 Evaporator Analysis & Coefficient of Performance

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  1. Experiment 9Evaporator Analysis & Coefficient of Performance

  2. Ideal Refrigeration Cycle • 1-2 Isentropic compression in a compressor • 2-3 Constant-pressure heat rejection in a condenser • 3-4 Throttling in an expansion device • 4-1 Constant-pressure heat absorption in an evaporator

  3. Set-Up Procedure Turn on Fans Expansion valve up to 45 mm in the rotameter scale Wait 4 min Record difference of pressure Record temperature Shut-Down 1. Close receiver outlet V6 2. Wait 4 min and close receiver inlet V5 4. Evaporator 1. Compressor 2. Condenser 3. Expansion valve

  4. Data to Record

  5. Data Analysis 1. Follow the lab manual to do the data analysis. 2. Property tables of the refrigerant (HCFC-123) are available on Dr. Alvarado’s website: http://etidweb.tamu.edu/classes/entc370/

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