Answered: Steam power plant shown in figure is…

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

Steam power plant shown in figure is
operating at steady state with water as the working
fluid. The mass flow rate of the water circulating
through the components is 50 kg/s. Determine:
a) thermal efficiency of the actual cycle
b) Carnot cycle efficiency (justify any
assumptions you make in calculating ηCarnot)
c) isentropic turbine efficiency
d) isentropic pump efficiency
e) mass flow rate of the cooling water, in kg/s.
f) rates of entropy production, each in kW/K, for
the turbine and steam generator

Q in
P1 = 10 MPa
T1 = 500°C
Power out
Turbine
P2= 10 kPa
Steam
X2= 90%
Cooling
water in at 15°C
generator
Condenser
4
P4 = 10 MPa
Cooling
water out at 35°C
T4 = 50°C
Pump
3
P3 = 10 kPa
Power
in
saturated liquid
wwww

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