The Question is:
On a cold day, a heat pump absorbs heat from outside air at -10 C and transfers it into a home at temperature 30 C. Determine the maximum COP of the heat pump
The answer is 7.6
I got the answer to be 6.7 however, when using the equation:
ideal case C.O.P. = T_cold/(T_hot - T_cold)
Is my equation wrong? Isn't COP defined as heat extracted/work necessary to extract that heat?
Thank you!
Submitted March 11, 2017 at 09:19AM by Memesology http://ift.tt/2n9k5Io AskPhysics
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