Callen H.B - Thermodynamics And An Introduction To Thermostatistics · Problem 4.9-1

ALTERNATIVE FORMULATIONS AND LEGENDRE TRANSFORMATIONS

Physics — Statistical Mechanics · endoreversible-engine-efficiency

Problem

Show that the efficiency of an endoreversible engine, maximized for power output, is always less than

\varepsilon_{\text{Carnot}}

. Plot the former efficiency as a function of the Carnot efficiency.