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mrstealyogirl40
mrstealyogirl40
14.09.2019 • 
Engineering

Steam enters a turbine with an isentropic efficiency of 83.0% at 300. psia, 800, ℉, and exhausts to a condenser at 0.250 psia. the boiler feedwater is heated in a single open-loop regenerator with steam extracted from the turbine at 100. psia. saturated liquid leaves the regenerator at the pressure of the extraction steam. neglecting all pump work, determine the a) percent mass flow of steam extracted from the turbine, b) turbine power output per unit mass flow of steam, c) system thermal efficiency, d) turbine power output per unit mass flow of steam when the regenerator is not in use, e) system thermal efficiency when the regenerator is not in use, and f) percent increase in system thermal efficiency produced by the regenerator

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