A supercritical steam power plant has a high pressure of 30 MPa and an exit condenser temperature

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A supercritical steam power plant has a high pressure of 30 MPa and an exit condenser temperature of 50°C. The maximum temperature in the boiler is 1000°C and the turbine exhaust is saturated vapor there is one open feedwater heater receiving extraction from the turbine at 1MPa, and its exit is saturated liquid flowing to pump 2. The isentropic efficiency for the first section and the overall turbine are both 88.5%. Find the ratio of the extraction mass flow to total flow into turbine. What is the boiler inlet temperature with and without the feedwater heater?
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Fundamentals of Thermodynamics

ISBN: 978-0471152323

6th edition

Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen

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