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A refrigerator uses refrigerant-134s as a working fluid and operates on an ideal vapour-compression cycle. The low pressure is 2bars and the high pressure is at 6 bars. i) Plot a qualitative sketch of the T-s diagram of the cycle ii) Specify the four processes involved in the cycle and write the 1st law of thermodynamics for each one of them iii) Calculate the work needed by the compressor at the compression stage.

A refrigerator uses refrigerant-134s as a working fluid and operates on an ideal vapour-compression cycle. The low pressure is 2bars and the high pressure is at 6 bars. i) Plot a qualitative sketch of the T-s diagram of the cycle ii) Specify the four processes involved in the cycle and write the 1st law of thermodynamics for each one of them iii) Calculate the work needed by the compressor at the compression stage.

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
Problem 1.1MA
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A refrigerator uses refrigerant-134s as a working fluid and operates on an ideal vapour-compression cycle. The low pressure is 2bars and the high pressure is at 6 bars. i) Plot a qualitative sketch of the T-s diagram of the cycle ii) Specify the four processes involved in the cycle and write the 1st law of thermodynamics for each one of them iii) Calculate the work needed by the compressor at the compression stage. iv) Calculate the heat removed from the cooling chamber
Transcribed Image Text:A refrigerator uses refrigerant-134s as a working fluid and operates on an ideal vapour-compression cycle. The low pressure is 2bars and the high pressure is at 6 bars. i) Plot a qualitative sketch of the T-s diagram of the cycle ii) Specify the four processes involved in the cycle and write the 1st law of thermodynamics for each one of them iii) Calculate the work needed by the compressor at the compression stage. iv) Calculate the heat removed from the cooling chamber
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