How to calculate the Rankine efficiency?
Assume
H1, Hw2 = Enthalpies of steam and water in boiler
H2 = Enthalpies of steam at a point
m = steam flow/kw hr
T1 = Temperature of heat source
T2 = Temperature of receiver
1
3600/m(H1 - Hw2)
2
(H1 + H2)(H1 + Hw2)
3
(T1 - T2)/T1
4
(H1 - H2)/(H1 - Hw2)