Steam leaves the boiler of a 100-MW Rankine-cycle power plant at 700 F and 500 psia. The

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Steam leaves the boiler of a 100-MW Rankine-cycle power plant at 700 F and 500 psia. The steam enters the turbine at 650 F and 475 psia. The turbine has an efficiency of 0.85 and exhausts at 2 psia. In the condenser, the water is subcooled to 100 F at 2 psia by lake water at 55 F. The pump efficiency is 0.75 and its discharge pressure is 550 psia. The water enters the boiler at 95 F and 530 psia. Determine the first-law thermal efficiency for this cycle and the mass flow rate (lbm/hr) in the boiler

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Thermodynamics Concepts And Applications

ISBN: 9781107179714

2nd Edition

Authors: Stephen R. Turns, Laura L. Pauley

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