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kg/s and the low-temperature evaporator serves a cooling load of 10 kW. The refrigerant is saturated liquid at the exit of the condenser and saturated vapor at the exit of each evaporator, and the compressor is isentropic efficiency is 95%.

kg/s and the low-temperature evaporator serves a cooling load of 10 kW. The refrigerant is saturated liquid at the exit of the condenser and saturated vapor at the exit of each evaporator, and the compressor is isentropic efficiency is 95%.

Refrigeration and Air Conditioning Technology (MindTap Course List)
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
Chapter28: Special Refrigeration Applications
Section: Chapter Questions
Problem 18RQ: Why is a circulating brine system more attractive for ship refrigeration than individual...
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Two evaporator compression refrigeration system as shown in the pricutre below uses refrigerant134a as a working fluid. Evaporator 1 operates at 0 ºC, evaporator 2 operates at -26.4ºC, and the
condenser operates at 800 kPa. The refrigerant is circulated through the compressor at a rate of 0.5
kg/s and the low-temperature evaporator serves a cooling load of 10 kW. The refrigerant is saturated liquid at the exit of the condenser and saturated vapor at the exit of each evaporator, and the compressor is isentropic efficiency is 95%.

 Determine a) the cooling rate of the high-temperature evaporator,b) the power required by the compressor, c) the COP of the cycle.

Condenser Evaporator I Pressure reducing valve Evaporator 2
Transcribed Image Text:Condenser Evaporator I Pressure reducing valve Evaporator 2
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