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Thermal Physics · thermodynamics

Ideal Heat-Engine Efficiency

Gives the maximum ideal efficiency between hot and cold thermal reservoirs.

η = 1 − T_C / T_H

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Variables

η
efficiency
T_C
cold-reservoir temperatureK
T_H
hot-reservoir temperatureK

Conditions / notes

Applies to an ideal reversible engine using absolute temperatures.

Reference details

Subject
Thermal Physics
Topic
thermodynamics
Plain text
eta = 1 - T_C / T_H

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