A regenerative vapor power cycle has an open feedwater heater (OFWH). Steam enters the turbine at 8 MPa, 460 C and expands to 0.60 MPa, where some of the steam is extracted and diverted to the condenser pressure of 0.008 MPa. Saturated liquid exits the OFWH at 0.6 MPa. The isentropic efficiency of each turbine stage is 85% and each pump operates isentropically. If the net power output of the cycle is 100 MW, what is the (a) the thermal efficiency and the (b) mass flowrate of steam.
A regenerative vapor power cycle has an open feedwater heater (OFWH). Steam enters the turbine at 8 MPa, 460 C and expands to 0.60 MPa, where some of the steam is extracted and diverted to the condenser pressure of 0.008 MPa. Saturated liquid exits the OFWH at 0.6 MPa. The isentropic efficiency of each turbine stage is 85% and each pump operates isentropically. If the net power output of the cycle is 100 MW, what is the (a) the thermal efficiency and the (b) mass flowrate of steam.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A regenerative vapor power cycle has an open feedwater heater (OFWH). Steam enters the turbine at 8 MPa, 460 C and expands to 0.60 MPa, where some of the steam is extracted and diverted to the condenser pressure of 0.008 MPa. Saturated liquid exits the OFWH at 0.6 MPa. The isentropic efficiency of each turbine stage is 85% and each pump operates isentropically. If the net power output of the cycle is 100 MW, what is the (a) the thermal efficiency and the (b) mass flowrate of steam.
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