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Thermodynamic cycle

{title2=$\eta=W/Q_{\rm in}$}
{wiki}

The thermal efficiency of a heat engine is the net work output divided by heat input. For a cycle absorbing $Q_{\rm in}$ and rejecting the positive amount $Q_{\rm out}$,
$$
\eta=1-\frac{Q_{\rm out}}{Q_{\rm in}}.
$$


Thermal efficiency

Carnot cycle

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Thermal efficiency ( $η = W / Q_{in}$ )

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Thermal efficiency (η=W/Qin​)

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Thermal efficiency ( $η = W / Q_{in}$ )

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