The energy leakage per unit time is 0.6 kW for each 1℃ temperature difference between a house to be heated with a 1kW heat pump and the outdoor environment. The coefficient of performance of the heat pump used to keep this house at a constant temperature of 20℃; half of the theoretical maximum heat pump performance coefficient; Calculate the minimum outdoor temperature in ℃ so that this heat pump can meet the need and be used.

The energy leakage per unit time is 0.6 kW for each 1℃ temperature difference between a house to be heated with a 1kW heat pump and the outdoor environment. The coefficient of performance of the heat pump used to keep this house at a constant temperature of 20℃; half of the theoretical maximum heat pump performance coefficient; Calculate the minimum outdoor temperature in ℃ so that this heat pump can meet the need and be used.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter8: Natural Convection

Section: Chapter Questions

Problem 8.46P

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