Arctic explorers are unsure if they can use a 5-kW motor-driven heat pump to stay warm. It
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Arctic explorers are unsure if they can use a 5-kW motor-driven heat pump to stay warm. It should keep their shelter at 15◦C. The shelter loses energy at a rate of 0.5 kW per degree difference to the colder ambient. The heat pump has a COP that is 50% that of a Carnot heat pump. If the ambient temperature can fall to −25◦C at night, would you recommend this heat pump to the explorers?
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The coefficient of performance COP of a heat pump is given by COP Qc W where Qc is the heat absorbed ...View the full answer
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Related Book For 
Fundamentals Of Thermodynamics
ISBN: 9781118131992
8th Edition
Authors: Claus Borgnakke, Richard E. Sonntag
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