A steam power plant operates on the basis of Rankine cycle between the pressure limits of 10 MPa in theboiler and 15 kPa in the condenser. The turbine inlet temperature is 4250C. The turbine isentropic efficiencyis 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 heatsupply 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 completelyneglected?c) fill the tablestream123stateT(C)P(kPa)H(kj/kg)

Given: The pressure limit in the condenser is, P1=15 KPa. The pressure limit in the boiler is, P2=10…

Answered: steam power plant operates on the basis…

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

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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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)

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