Efficiency

General Equation:

η=WQH=1QLQH<1

Carnot Cycle Efficiency

ηcarnot=1T1T3>ηth

Ideal Otto Cycle Efficiency:

Thermal Efficiency:

ηth=wnetqin=11rγ1=1T1T2

Ideal Brayton Cycle Efficiency:

Thermal Efficiency:

ηth=wnetqin=1r1γγ

Real Brayton Cycle Efficiency:

Thermal Efficiency:

ηth=wnetqin=f(T4T2,r)