Thermodynamics & Statistical Physics
2 terms
Heat Engine
Thermodynamics & Statistical Physics
W (J/s)
A physical device that converts thermal energy absorbed from a high-temperature heat source into mechanical work, discharging waste heat to a cold sink.
W = Q_hot - Q_cold, η = W / Q_hot
Helmholtz Free Energy
Thermodynamics & Statistical Physics
J
A thermodynamic potential measuring maximum reversible work obtainable from a closed system at constant temperature and volume.
F = U - T S, dF = -S dT - P dV