5.45 WP As shown in Fig. P5.45, an air conditioner operating at steady state maintains a dwelling at 70°F on a day when the outside temperature is 90°F. If the rate of heat transfer into the dwelling through the walls and roof is 30,000 Btu/h, might a net power input to the air conditioner compressor of 3 hp be sufficient? If yes, determine the coefficient of performance. If no, determine the minimum theoretical power input, in hp.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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5.45 WP As shown in Fig. P5.45, an air conditioner operating at
steady state maintains a dwelling at 70°F on a day when the outside
temperature is 90°F. If the rate of heat transfer into the dwelling
through the walls and roof is 30,000 Btu/h, might a net power input to the
air conditioner compressor of 3 hp be sufficient? If yes, determine the
coefficient of performance. If no, determine the minimum theoretical
power input, in hp.
Transcribed Image Text:5.45 WP As shown in Fig. P5.45, an air conditioner operating at steady state maintains a dwelling at 70°F on a day when the outside temperature is 90°F. If the rate of heat transfer into the dwelling through the walls and roof is 30,000 Btu/h, might a net power input to the air conditioner compressor of 3 hp be sufficient? If yes, determine the coefficient of performance. If no, determine the minimum theoretical power input, in hp.
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