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e be const near the su

e be const near the su

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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Second Law of Thermodynamics

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Second Law of Thermodynamics It is proposed that a cyclic heat engine be constructed to operate in the ocean at a location where the water temperature is 20 °C near the surface and 5 °C at some greater depth. What is the maximum possible thermal efficiency of such an engine? A heat pump is used to maintain a heated space at 22 °C by extracting heat from outdoor air on a day when the air temperature is 0 °C. Determine the maximum COP that the heat pump can achieve under these circumstances.
Transcribed Image Text:Second Law of Thermodynamics It is proposed that a cyclic heat engine be constructed to operate in the ocean at a location where the water temperature is 20 °C near the surface and 5 °C at some greater depth. What is the maximum possible thermal efficiency of such an engine? A heat pump is used to maintain a heated space at 22 °C by extracting heat from outdoor air on a day when the air temperature is 0 °C. Determine the maximum COP that the heat pump can achieve under these circumstances.
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