R-134a as a refrigerant, in a cooling machine used; refrigerant to evaporator (evaporator) 0.15 dryness It enters with a temperature of -12oC and a flow rate of 0.028 kg/s and leaves the evaporator as saturated steam. cooling machine Since it works according to the reverse Carnot cycle and the compressor consumes 1.45 kW of power a) Find the efficiency coefficient of the cooling machine. b) Calculate the heat given to the outside environment c) Calculate the condenser temperature
R-134a as a refrigerant, in a cooling machine used; refrigerant to evaporator (evaporator) 0.15 dryness It enters with a temperature of -12oC and a flow rate of 0.028 kg/s and leaves the evaporator as saturated steam. cooling machine Since it works according to the reverse Carnot cycle and the compressor consumes 1.45 kW of power a) Find the efficiency coefficient of the cooling machine. b) Calculate the heat given to the outside environment c) Calculate the condenser temperature
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter35: Comfort And Psychrometrics
Section: Chapter Questions
Problem 12RQ: A gas furnace has an output of 60,000 Btu/h. The return air temperature is 72F, and the temperature...
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R-134a as a refrigerant, in a cooling machine used; refrigerant to evaporator (evaporator) 0.15 dryness
It enters with a temperature of -12oC and a flow rate of 0.028 kg/s and leaves the evaporator as saturated steam. cooling machine
Since it works according to the reverse Carnot cycle and the compressor consumes 1.45 kW of power
a) Find the efficiency coefficient of the cooling machine.
b) Calculate the heat given to the outside environment
c) Calculate the condenser temperature
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