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09rankine

# 09rankine - Rankine cycle this file calculates reversible...

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Rankine cycle rev 2 added s = constant interpolation area to determine state 2 enthalpy and corrected T 2 calc this file calculates reversible Rankine cycle with following parameters: condenser 40 deg C steam pressure 30 bars (3 MPa) define some units kJ := 10 3 J superheat 460 deg_C 3 3 kN := 10 N kPa := 10 Pa 6 MPa := 10 Pa bar := 0.1MPa Boiler (Furnace Reactor) Rankine cycle W-dot net Q_dot H conceptual Rankine cycle 3 -Superheated vapor 3 MPa, 460 C 1 - vacuum; saturated liquid 2 - sub cooled liquid at boiler pressure 3 - superheated vapor 4 - vapor + liquid @ saturation temperature and pressure W p refer to T-s and H-s diagrams at end of file 3 state 1: condenser outlet T 1 := 40 p 1 := 7.384kPa v f_1 := 0.0010078 m kg v 1 := v f_1 Table 1 or Table A.1.1 kJ kJ kJ kJ s f_1 := 0.5725 s fg_1 := 7.6845 h f_1 := 167.57 kg h fg_1 := 2406.7 kg kg K kg K s 1 := s f_1 h 1 := h f_1 Boiler Turbine 2 - subcooled liquid at boiler pressure W t 4 - vapor + liquid at saturation temperature and pressure Condenser 1 - vacuum saturated liquid 40 C Pump Q_dot H Q_dot L 10/24/2005 1

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state 2: pump outlet
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