 Home

Codex Wiki

Physics

Branches of physics

Statistical physics

Thermodynamics

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

Brayton cycle

Carnot cycle

Carnot's theorem

Coefficient of performance

Heat engine

Heat-engine calorimetry

Heat input to a cycle

Kelvin-Planck statement of the second law

Past exam of the mathematics course of the University of Cambridge / 2017 / ii / Paper 3 / 34D / b / iv / Solution

Past exam of the mathematics course of the University of Cambridge / 2019 / ii / Paper 1 / 35D / a / Solution

Past exam of the mathematics course of the University of Cambridge / 2021 / ii / Paper 1 / 36C / d / Solution

Past exam of the mathematics course of the University of Cambridge / 2023 / ii / Paper 4 / 35A / d / ii / Solution

Past exam of the MPhil in nuclear energy course of the University of Cambridge / 2021 / Module NE4 / 1 / b / Solution

Past exam of the physics B course of the University of Cambridge / 2012 / Paper 2 / Section C / C12 / Solution

Past exam of the physics B course of the University of Cambridge / 2016 / Paper 2 / Section C / C10 / Solution

Past exam of the physics B course of the University of Cambridge / 2017 / Paper 2 / Section C / C10 / Solution

Past exam of the physics B course of the University of Cambridge / 2022 / Paper 2 / Section C / C8 / b / Solution

Past exam of the short options paper shared by Prelims and Parts A and B of the physics course of the University of Oxford / 2012 / S4 / 2 / 1 / Solution

Rankine cycle

Unregenerated Stirling cycle

Vanishing-cutoff limit of the Diesel cycle

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

 Ancestors (6)

 Incoming links (22)

 Discussion (0) New discussion

 Articles by others on the same topic (1)

Thermal efficiency (η=W/Qin​)

 Ancestors (6)

 Incoming links (22)

 Discussion (0)  Subscribe (1) New discussion

 Articles by others on the same topic (1)

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

 Discussion (0) New discussion