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Unformatted text preview: Boiler lp Turbine W t2 Condenser Feed Pump Q_dot H Q_dot L W fp hp Turbine W t1 3 4 2 5 6 1 Rankine cycle at various steam pressure and temperature with reheating this note calculates plot of vs steam plant pressure with fixed condenser pressure (Temperature) and max temperature with reheating to saturation 460 deg C and 560 deg C. steam is extracted at 400kPa from hp turbine for reheating to boiler outlet temperature. 1 - vacuum; saturated liquid T=40 C 2 - sub cooled liquid at boiler pressure P=3, 6, 9, 12 MPa 3 - saturated vapor, superheated vapor T=460 C, T=560 C, p = p 2 4 - extraction steam; superheated vapor @ 400 kPa or ... vapor + liquid @ saturation temperature and pressure tbd 5 - superheated vapor @ saturation temperasature for p 2 , T=460 C, T=560 C, p = p 4 = 400 kPa 6 - vapor + liquid @ saturation temperature (40 C) and pressure or ...superheated vapor @ saturation pressure for 40 C; tbd the results are shown below in the details of calculation for state 4 - extraction steam; superheated vapor @ 400 kPa or ... vapor + liquid @ in the details of calculation for state 4 - extraction steam; superheated vapor @ 400 kPa or ....
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- Fall '06