Superphénix (SFR)
64.7 %
η Xh · Tk = 600 °C
η energy
43.3 %
Steam at 487 °C · Na primary
IHX (Na→Na)
4.1 %
Safety function cost
Core (Tk = 600 °C) IHX (Na→Na) SG (Na→steam) Turbines Condenser FWH + reheater Other

T₀ = 15 °C · Tk = 600 °C · Tc = 15 °C. Sodium-cooled fast reactor · Na primary 550 °C · Na secondary · steam at 487 °C. IHX = intermediate Na–Na heat exchanger (safety function). SG includes economiser (9.8 %), evaporator (5.4 %), superheater (11.5 %). Full balance: s4e2.com/exerg/SUPERPHENIX_EB.pdf