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steam power plant operates on the basis c 40091 ass out pas ! 01 ndopcor. The turb

steam power plant operates on the basis c 40091 ass out pas ! 01 ndopcor. The turb

Elements Of Electromagnetics
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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Question
A steam power plant operates on the basis of Rankine cycle between the pressure limits of 10 MPa in the boiler and 15 kPa in the condenser. The turbine inlet temperature is 4250C. The turbine isentropic efficiency is 90 percent, the pump losses are negligible, and the cycle is sized to produce 2500 kW of power. (a) Calculate the mass flow rate through the boiler, the power produced by the turbine, the rate of heat supply in the boiler, and the thermal efficiency (b) How much error is caused in the thermal efficiency if the power required by the pump were completely neglected? c) fill the table stream 1 2 3 state T(C) P(kPa) H(kj/kg)
Transcribed Image Text:A steam power plant operates on the basis of Rankine cycle between the pressure limits of 10 MPa in the boiler and 15 kPa in the condenser. The turbine inlet temperature is 4250C. The turbine isentropic efficiency is 90 percent, the pump losses are negligible, and the cycle is sized to produce 2500 kW of power. (a) Calculate the mass flow rate through the boiler, the power produced by the turbine, the rate of heat supply in the boiler, and the thermal efficiency (b) How much error is caused in the thermal efficiency if the power required by the pump were completely neglected? c) fill the table stream 1 2 3 state T(C) P(kPa) H(kj/kg)
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