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A refrigerator uses refrigerant-134a as the working fluid and operates on an ideal vapor- compression refrigeration cycle between 0.1 and 0.8 MPa. The mass flow rate of the refrigerant is 0.035 kg/s. (a) Identify the difference(s) between the reverse Carnot cycle with this ideal vapor- compression cycle.

A refrigerator uses refrigerant-134a as the working fluid and operates on an ideal vapor- compression refrigeration cycle between 0.1 and 0.8 MPa. The mass flow rate of the refrigerant is 0.035 kg/s. (a) Identify the difference(s) between the reverse Carnot cycle with this ideal vapor- compression cycle.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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A refrigerator uses refrigerant-134a as the working fluid and operates on an ideal vapor- compression refrigeration cycle between 0.1 and 0.8 MPa. The mass flow rate of the refrigerant is 0.035 kg/s. (a) Identify the difference(s) between the reverse Carnot cycle with this ideal vapor- compression cycle. (b) Show the cycle on a T-s diagram with respect to saturation lines. (c) Evaluate the rate of heat removal from the refrigerated space and the power input to the compressor. (d) Calculate the rate of heat rejection to the environment and the COP of the cycle.
Transcribed Image Text:A refrigerator uses refrigerant-134a as the working fluid and operates on an ideal vapor- compression refrigeration cycle between 0.1 and 0.8 MPa. The mass flow rate of the refrigerant is 0.035 kg/s. (a) Identify the difference(s) between the reverse Carnot cycle with this ideal vapor- compression cycle. (b) Show the cycle on a T-s diagram with respect to saturation lines. (c) Evaluate the rate of heat removal from the refrigerated space and the power input to the compressor. (d) Calculate the rate of heat rejection to the environment and the COP of the cycle.
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