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categoryهندسة ميكانيكية schoolبكالوريوس event_available2026-07-13

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6.165 Figure P6.165 shows a simple vapor power plant operating at steady state with water as the working fluid. Data at key locations are given on the figure. The mass flow rate of the water circulating through the components is 109 kg/s. Stray heat transfer and kinetic and potential energy effects can be ignored. Determine (a) the net power developed, in MW. (b) the thermal efficiency. (c) the isentropic turbine efficiency. (d) the isentropic pump efficiency. (e) the mass flow rate of the cooling water, in kg/s. (f) the rates of entropy production, each in kW/K, for the turbine, condenser, and pump. P₁ = 100 bar T₁ =520°C Turbine Power out Steam generator P₂ = 0.08 bar 2-90% Condenser 4- P4-100 bar T₁=43°C Pump 3 P3=0.08 bar Power Saturated liquid in Fig. P6.165 Cooling water in at 20°C Cooling water out at 35°C

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