ENGINEERING APPLICATION, CONTEXT-RICH As an engineer, you

Chapter , Problem 49

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ENGINEERING APPLICATION, CONTEXT-RICH As an engineer, you are designing a heat pump that is capable of delivering heat at the rate of 20 kW to a house. The house is located where, in January, the average outside temperature is The temperature of the air in the air handler inside the house is to be (a) What is the maximum possible COP for a heat pump operating between these temperatures? (b) What must the minimum power of the electric motor driving the heat pump be? (c) In reality, the COP of the heat pump will be only 60 percent of the ideal value. What is the minimum power of the electric motor when the COP is 60 percent of the ideal value?

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