=) The structure of a house is such that it loses heat at a rate of 5400 kJ/h per °C difference between the indoors and outdoors. A heat pump that requires a power input of 6 kW is used to maintain this house temperature at 21°C. Examine the lowest outdoor temperature for which the heat pump can meet the heating requirements of this house and sketch a simple schematic diagram for the heat pump complete with the value of energy, its direction, and temperature reading of both indoors and outdoors.

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.
Chapter11: Heat Transfer By Radiation
Section: Chapter Questions
Problem 11.56P
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The structure of a house is such that it loses heat at a rate of 5400 kJ/h per °C difference
between the indoors and outdoors. A heat pump that requires a power input of 6 kW
is used to maintain this house temperature at 21°C. Examine the lowest outdoor
temperature for which the heat pump can meet the heating requirements of this
house and sketch a simple schematic diagram for the heat pump complete with the
value of energy, its direction, and temperature reading of both indoors and outdoors.
Transcribed Image Text:(c) The structure of a house is such that it loses heat at a rate of 5400 kJ/h per °C difference between the indoors and outdoors. A heat pump that requires a power input of 6 kW is used to maintain this house temperature at 21°C. Examine the lowest outdoor temperature for which the heat pump can meet the heating requirements of this house and sketch a simple schematic diagram for the heat pump complete with the value of energy, its direction, and temperature reading of both indoors and outdoors.
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