Leumas Physics

Thermal Efficiency

η = W / Q_h

What it says

The fraction of heat taken in that a heat engine turns into work.

Symbols

SymbolQuantityDimension
ηEfficiency (dimensionless)1
WWork output (J)M L^2 T^-2
Q_hHeat absorbed (J)M L^2 T^-2

Work it out

Enter what you know. No account needed.

Fill in all but one: W, Q_h, η are all empty.

Connects to

Filed under Thermodynamics · derive through it in the explorer