Chapter-5 2 nd Law
Chapter-5 2 nd Law
Chapter-5 2 nd Law
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For a reversible heat engine<br />
operating between two<br />
reservoirs:<br />
Q<br />
Q<br />
H<br />
L<br />
<br />
<br />
<br />
( T<br />
( T<br />
H<br />
L<br />
)<br />
)<br />
With Kelvin scale<br />
( T)<br />
<br />
T<br />
For reversible cycles, the<br />
heat transfer ratio Q H /Q L<br />
can be replaced by the<br />
absolute temperature ratio<br />
T H /T L .<br />
Q (<br />
Q<br />
H<br />
L<br />
)<br />
<br />
T<br />
T<br />
H<br />
L<br />
A conceptual experimental<br />
setup to determine<br />
thermodynamic<br />
temperatures on the Kelvin<br />
scale by measuring heat<br />
transfers Q H a<strong>nd</strong> Q L .
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