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Q.2 The heat absorption and rejection temperatures of a Carnot refrigeration cycle are -8°C and 55°C respectively. The heat rejection rate is 30 kW. There is a temperature difference of 6°C between the refrigerant and two heat reservoirs. The internal processes of the cycle are reversible. (a) Calculate the work input, and the COP of the refrigeration cycle. (b) If the cycle is operated as a heat pump, calculate heat absorption rate and the COP. [Answers: (a) 6.74 kW. 3.45. (b) 23.26 kW. 4.451

Q.2 The heat absorption and rejection temperatures of a Carnot refrigeration cycle are -8°C and 55°C respectively. The heat rejection rate is 30 kW. There is a temperature difference of 6°C between the refrigerant and two heat reservoirs. The internal processes of the cycle are reversible. (a) Calculate the work input, and the COP of the refrigeration cycle. (b) If the cycle is operated as a heat pump, calculate heat absorption rate and the COP. [Answers: (a) 6.74 kW. 3.45. (b) 23.26 kW. 4.451

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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Q.2 refrigeration cycle are -8°C and 55°C respectively. The heat rejection rate is 30 kW. There is a temperature difference of 6°C between the refrigerant and two heat reservoirs. The internal proccsses of the cycle are reversible. (a) Calculate the work input, and the COP of the refrigeration cycle. (b) If the cycle is operated as a heat pump, calculate heat absorption rate and the COP. [Answers: (a) 6.74 kW, 3.45, (b) 23.26 kW, 4.45] The heat absorption and rejection tempcraturcs of a Carnot
Transcribed Image Text:Q.2 refrigeration cycle are -8°C and 55°C respectively. The heat rejection rate is 30 kW. There is a temperature difference of 6°C between the refrigerant and two heat reservoirs. The internal proccsses of the cycle are reversible. (a) Calculate the work input, and the COP of the refrigeration cycle. (b) If the cycle is operated as a heat pump, calculate heat absorption rate and the COP. [Answers: (a) 6.74 kW, 3.45, (b) 23.26 kW, 4.45] The heat absorption and rejection tempcraturcs of a Carnot
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