On a cold (10C) winter day, a heat pump provides 20 kW to heat a house maintained

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On a cold (−10°C) winter day, a heat pump provides 20 kW to heat a house maintained at 20°C, and it has a COPHP of 4. How much power does the heat pump require? The next day, a storm brings the outside temperature to −15°C, assuming the same COP and the same house heat transfer coefficient for the heat loss to the outside air. How much power does the heat pump require then?

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Fundamentals Of Thermodynamics

ISBN: 9781118131992

8th Edition

Authors: Claus Borgnakke, Richard E. Sonntag

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