Steady-state operating data for a simple steam power plant are provided in the figure shown. Stray heat transfer and kinetic and potential energy effects can be ignored. Determine (a) the thermal efficiency

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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Steady-state operating data for a simple steam power plant are provided in the figure shown. Stray heat transfer and kinetic and potential energy effects can be ignored. Determine (a) the thermal efficiency and (b) the mass flow rate of the cooling water, in kg per kg of steam flowing.

Q in/ṁ = 3400 kJ/kg
P1 = 4 MPa
T = 600°C
Power out
Turbine
1
P2 = 0.2 bar,
2
saturated
Steam
Cooling
water in at T3 = 15°C
generator
vapor
%3D
5
Condenser
4-
Cooling
water out at
T6 = 35°C
Pump
3
Win/m = 4 kJ/kg
www
Transcribed Image Text:Q in/ṁ = 3400 kJ/kg P1 = 4 MPa T = 600°C Power out Turbine 1 P2 = 0.2 bar, 2 saturated Steam Cooling water in at T3 = 15°C generator vapor %3D 5 Condenser 4- Cooling water out at T6 = 35°C Pump 3 Win/m = 4 kJ/kg www
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