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23 Nov 2019
A heat pump delivers 20 kW to heat a house.
The outside temperature is -25C and the
inside temperature of the hot-air supply for
the heating fan is 50C.
What is the coefficient of performance of a
Carnot heat pump operating between these
temperatures?
B) Find the minimum power of the engine needed
to run the heat pump.
Answer in units of kW.
C) If the COP of the heat pump is 40% of its
Carnot value, what is the minimum power of
the engine?
Answer in units of kW.
A heat pump delivers 20 kW to heat a house.
The outside temperature is -25C and the
inside temperature of the hot-air supply for
the heating fan is 50C.
What is the coefficient of performance of a
Carnot heat pump operating between these
temperatures?
B) Find the minimum power of the engine needed
to run the heat pump.
Answer in units of kW.
C) If the COP of the heat pump is 40% of its
Carnot value, what is the minimum power of
the engine?
Answer in units of kW.
Nelly StrackeLv2
12 Jan 2019
