η Xh — simple cycle
53.6 %
+ reheat
57.0 %
+ 1 extraction
60.4 %
+ 2 extractions
60.7 %
Heat source / SG
Turbines
Condenser
FWH
η Xh (right axis)
T₀ = 20 °C — Tk = 700 °C — Percentages show each component's share of total irreversibilities.