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Physics
Physics
Problem
Show that the maximum possible coefficient of performance of a refrigerator operating reversibly between a cold reservoir at temperature
T
C
T_{C}
T
C
and a hot reservoir at temperature
T
H
T_{H}
T
H
is
COP
max
=
T
C
T
H
−
T
C
\displaystyle \text{COP}_{\max}=\frac{T_{C}}{T_{H}-T_{C}}
COP
m
a
x
=
T
H
−
T
C
T
C
.
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