PROBLEM 4A heat pump is used to meet the heating requirements of a house and maintain it at acomfortable temperature. On an average winter day, the house is estimated to lose heat at arate of 80,000 kJ h¯¹. The heat pump has a COP of 2.5 under these conditions.Questions:(a) Determine the net power input required by the heat pump, in kW.(b) The rate at which heat is extracted from the cold outdoor air, in kW.

To calculate the net power input required by the heat pump (a):Net Power Input (kW) = Heat Output…

PROBLEM 4 A heat pump is used to meet the heating requirements of a house and maintain it at comfortable temperature. On an average winter day, the house is estimated to lose heat at rate of 80,000 kJ h¯¨¹. The heat pump has a COP of 2.5 under these conditions. Questions: (a) Determine the net power input required by the heat pump, in kW. (b) The rate at which heat is extracted from the cold outdoor air, in kW.

PROBLEM 4 A heat pump is used to meet the heating requirements of a house and maintain it at comfortable temperature. On an average winter day, the house is estimated to lose heat at rate of 80,000 kJ h¯¨¹. The heat pump has a COP of 2.5 under these conditions. Questions: (a) Determine the net power input required by the heat pump, in kW. (b) The rate at which heat is extracted from the cold outdoor air, in kW.

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter22: Heat Engines, Entropy, And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 22.10P: A heat pump has a coefficient of performance of 3.80 and operates with a power consumption of 7.03 ...

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