Answered: flow of 30 kg/s circulates through the…

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

To preheat the water before entering the boiler, a feed water heater is used, as shown in the figure. A mass flow of 30 kg/s circulates through the system, and 7 kg/s are “bled” into the turbine and go to the feedwater heater. Depreciating the losses in the different pipes and components, determine:

a) Water temperature at the outlet of the feed water heater

b) The heat transferred per unit time in the boiler

c) The power developed in the turbine

d) The total power required from the pump

e) The energy transferred in the capacitor

f) Feedwater mass flow

600°C
10 MPa
Caldera
Turbina
Qcal
1.5 MPa
10 MPa
x = 0.95
20 kPa
300°C
Calentador agua
alimentación
11.5MPA
40°C
ДТ 3 25°С
1.5 MPa
Agua de
refrigeración
Bomba
Bomba
Condensador
20 KРа
40°C
WE2

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