4 5.6.-4 剧中十 [01-14 lyl lyu yu ly'll 600 11 Icf WH, 10 How 400 8 1) A proposed steam power plant design consists of a vapor power Rankine cycle with reheat and regeneration as shown below. The properties at each state are shown in the table below. mdot=75kg/s 1 2 6 State T°C) P(kPa) h(kJ/kg) R# RHI 640 14000 3694 2 6200 3426 3 6200 3656 4 2200 3329 5 600 3004 16 Cron, Ora 13 12 OFWH, 6 600 3270 194 7 140 2926 18 8 2486 Sketch the T-s Diagram and label each state corresponding to the 9 8 173 states labeled in the schematic. 10 600 174 11 600 12 600 635 13 2200 637 14 2200 884 15 14000 898 16 14000 1234 17 6200 1225 18 2200 1225 19 140 459 20 8 459 427 Determine the percent of total flow diverted to each open feedwater heater. Y'= Y"= Y"!= Y"!=
Power output from Turbine 1 (MW) = Power output from Turbine 2 (MW) = Power output from Turbine 3 (MW) = Power output from Turbine 4 (MW) = Power output from Turbine 5 (MW) = Power input to pump 1 (kW)= Power input to pump 2 (kW) = Power input to pump 3 (kW) = Total Qin (S.G. and Reheat) for the power plant (MW) = Thermal efficiency of the power plant =
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