A system consists of one compressor and two evaporators. One evaporator carries a load of 35kw at 10°c and the other load of 20kw at -5°c. A back pressure value reduces the pressure in the10°c to that of the -5°c evaporator. The condensing temperature is 37°c. The refrigerant is ammonia. A. Determine the enthalpy of the refrigerant leaving the condenser. B. The massflow rate at the low-pressure evaporator. C. The mass flow rate at the high-pressure evaporator.
A system consists of one compressor and two evaporators. One evaporator carries a load of 35kw at 10°c and the other load of 20kw at -5°c. A back pressure value reduces the pressure in the10°c to that of the -5°c evaporator. The condensing temperature is 37°c. The refrigerant is ammonia. A. Determine the enthalpy of the refrigerant leaving the condenser. B. The massflow rate at the low-pressure evaporator. C. The mass flow rate at the high-pressure evaporator.
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
Chapter47: High-pressure, Low-pressure, And Absorption Chilled-water Systems
Section: Chapter Questions
Problem 9RQ: The approach temperature for the evaporator is A. the difference between the suction and head...
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A system consists of one compressor and two evaporators. One evaporator carries a load of 35kw at 10°c and the other load of 20kw at -5°c. A back pressure value reduces the pressure in the10°c to that of the -5°c evaporator. The condensing temperature is 37°c. The refrigerant is ammonia.
A. Determine the enthalpy of the refrigerant leaving the condenser.
B. The massflow rate at the low-pressure evaporator.
C. The mass flow rate at the high-pressure evaporator.
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