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A heat pump is used to heat a house during the winter. The
Chapter 5, Problem 58HP(choose chapter or problem)
Problem 58HP
A heat pump is used to heat a house during the winter. The house is to be maintained at 20°C at all times. When the ambient temperature outside drops to−10°C, the rate at which heat is lost from the house is estimated to be 25 kW. What is the minimum electrical power required to drive the heat pump?
Questions & Answers
QUESTION:
Problem 58HP
A heat pump is used to heat a house during the winter. The house is to be maintained at 20°C at all times. When the ambient temperature outside drops to−10°C, the rate at which heat is lost from the house is estimated to be 25 kW. What is the minimum electrical power required to drive the heat pump?
ANSWER:
Solution 58HP
Step 1 of 4
The objective here is to calculate the minimum electrical power required by a heat pump to heat a house when the outside temperature, the required temperature inside the house and rate of heat loss from the house are known.