A certain working substance receives 100 Btu reversibly as heat at a temperature of 1000℉ from an energy source at 3600°R. Referred to as receiver temperature of 80℉, calculate: A. the available energy of the working substance (63 Btu) B. the available portion of the 100 Btu added at the source temperature (85 Btu) C. the reduction in available energy between the source temperature and the 1000℉ temperature (22 Btu)
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Home » Engineering » A certain working substance receives 100 Btu reversibly as heat at a temperature of 1000℉ from an energy source at 3600°R. Referred to as receiver temperature of 80℉, calculate: A. the available energy of the working substance (63 Btu) B.