Refriegerant ammonia enters the compressor of a refriegerant as a superheated vapor at 0.14 MPa, -20 °C at a rate of 0.04 kg/s, and leaves at 0.8 MPa, 50 °C. The refriegerant is cooled in the condenser to 0.75 MPa and is throttled to 0.14 MPa. Disregarding any heat transfer and pressure drops in the connecting lines between components, determine: a) the rate of heat removal from the refriegerated space in kW b) the power input to the compressor in KW c) the COP pf the cycle

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Refriegerant ammonia enters the compressor of a refriegerant as a superheated vapor at 0.14 MPa, -20 °C at a rate of 0.04 kg/s, and leaves at 0.8 MPa, 50 °C. The refriegerant is cooled in the condenser to 0.75 MPa and is throttled to 0.14 MPa. Disregarding any heat transfer and pressure drops in the connecting lines between components, determine:

a) the rate of heat removal from the refriegerated space in kW

b) the power input to the compressor in KW

c) the COP pf the cycle

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