Reconsider the cycle of 8.40 as the feedwater heater
Chapter 8, Problem 8.41(choose chapter or problem)
Reconsider the cycle of Problem 8.40 as the feedwater heater pressure takes on other values. Plot the cycle thermal efficiency, cycle work per unit mass entering the turbine, in kJ/kg, the heat transfer into the cycle per unit mass entering the turbine, in kJ/kg, the fraction of steam extracted and sent to the feedwater heater, the mass flow rate into the first turbine stage, in kg/s, and the rate of entropy production in the open feedwater heater, in kW/K, versus feedwater heater pressure ranging from 0.3 to 10 MPa.
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