m₁ = 1.5 × 104 kg/s T₁ = 480°C P1 = 12 MPa Steam generator Closed heater Open heater Sat. 9 0.3 MPa T₁ = 210°C 2.0 MPa liquid P9 = 12 MPa 8 7 Fig. P8.60 10 W p2 Sat. liquid Pump 2 W₁ 6 5 pl 11 Trap Pump 1 Condenser 6 kPa