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 fed 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 in the pump, e) The energy transferred in the capacitor, f) The mass flow of feed water.
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 fed 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 in the pump, e) The energy transferred in the capacitor, f) The mass flow of feed water.
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 fed 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 in the pump,
e) The energy transferred in the capacitor,
f) The mass flow of feed water.
Transcribed Image Text:600°C
10 MPa
Caldera
Turbina
Ocal
1.5 MPa
10 MPа
x = 0.95
300°C
20 КРа
Calentador agua
alimentación
1.5 MPa
40°C
AT = 25°C
1.5 MPa
Condensador
Agua de
refrigeración
Bomba
Bomba
20 КРа
40°C
Ws1
WB2
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