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define efficiency of carnot engine?

define efficiency of carnot engine?

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Apoorva Arora IIT Roorkee
askIITians Faculty 181 Points
9 years ago
Carnot's theorem is a formal statement of this fact: No engine operating between two heat reservoirs can be more efficient than a Carnot engine operating between the same reservoirs.

This maximum efficiency \etais defined to be:
\eta =\frac{W}{Q_{H}}=1-\frac{T_{C}}{T_{H}}
where

W is the work done by the system (energy exiting the system as work),
Q_H is the heat put into the system (heat energy entering the system),
T_C is the absolute temperature of the cold reservoir, and
T_H is the absolute temperature of the hot reservoir.

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