
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Transcribed Image Text:Solve the Problem.
A power plant operates on a regenerative vapor
power cycle with one open feedwater heater.
Steam enters the first turbine stage at 11 MPa,
600 ° C and expands to 1 MPa, where some of the
steam is extracted and diverted to the open
feedwater heater operating at 1 MPa. The
remaining steam expands through the second
turbine stage to a condenser pressure of 6 kPa.
Saturated liquid exits the open feedwater heater
at 1 MPa. The net power output is 264 MW.
Determine (a) the thermal efficiency of the cycle,
(b) the mass flow rate into the first turbine stage
and (c) the fraction of flow extracted where
bleeding occurs. (d) What-if Scenario: What would
the net power developed be if the bleeding
pressure were increased to 1.2 MPa?[E
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