Answered: Consider a steam power plant that…

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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Consider a steam power plant that operates on an ideal regenerative Rankine cycle and has a net power output of 150 MW. Steam enters the turbine at 10 MPa and 500°C and the condenser at 15 kPa. Steam is extracted from the turbine at 0.5 MPa to heat the feedwater in an open feedwater heater. Water leaves the feedwater heater as a saturated liquid. Show the cycle on a T-s diagram, and determine (a) the mass flow rate of steam through the boiler, and (b) the thermal efficiency of the cycle.

1. Consider a steam power plant that operates on an ideal regenerative Rankine cycle and has
a net power output of 150 MW. Steam enters the turbine at 10 MPa and 500°C and the
condenser at 15 kPa. Steam is extracted from the turbine at 0.5 MPa to heat the feedwater
in an open feedwater heater. Water leaves the feedwater heater as a saturated liquid. Show
the cycle on a T-s diagram, and determine (a) the mass flow rate of steam through the
boiler, and (b) the thermal efficiency of the cycle.
2
Boiler
Pump II
Open
FWH
Turbine
Condenser
Pump I
1
A steam power plant operates on an ideal reheat Ranking cycle between the pressure limits

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