Efficiency of heat engine

Efficiency of a heat engine is the ratio of the useful energy to the total energy received by the system.

Links:

1. Wikipedia.

heat_from_heater

heat transferred by the heater to the heat engine.

Symbol:

Q_h

Latex:

\(Q_{h}\)

Dimension:

energy

heat_to_refrigerator

heat transferred by the heat engine to the refrigerator.

Symbol:

Q_r

Latex:

\(Q_{r}\)

Dimension:

energy

efficiency

thermal_efficiency of the heat engine.

Symbol:

eta

Latex:

\(\eta\)

Dimension:

dimensionless

law

eta = 1 - Q_r / Q_h

Latex:

\[\eta = 1 - \frac{Q_{r}}{Q_{h}}\]