In the system shown in the figure, saturated liquid water at a pressure of 12 MPa enters the boiler at a flow rate of 45 kg/s. Hot steam at 450°C is obtained by transferring heat at constant pressure from a heat source at 650°C to the water in the boiler. Water vapor in the state of hot steam then expands adiabatically in the turbine and comes out as saturated steam at a pressure of 50 kPa. a) Show operations in the diagram T (°C)-s (kJ/ups) b) Find the isanthropic efficiency and power of the steam turbine. c) Find the total entropy production by calculating the entropy production in the boiler and turbine. 2 Türbin Buhar Kazanı 3 1
In the system shown in the figure, saturated liquid water at a pressure of 12 MPa enters the boiler at a flow rate of 45 kg/s. Hot steam at 450°C is obtained by transferring heat at constant pressure from a heat source at 650°C to the water in the boiler. Water vapor in the state of hot steam then expands adiabatically in the turbine and comes out as saturated steam at a pressure of 50 kPa. a) Show operations in the diagram T (°C)-s (kJ/ups) b) Find the isanthropic efficiency and power of the steam turbine. c) Find the total entropy production by calculating the entropy production in the boiler and turbine. 2 Türbin Buhar Kazanı 3 1
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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Transcribed Image Text:In the system shown in the figure, saturated liquid water at a pressure of 12 MPa enters the boiler at
a flow rate of 45 kg/s. Hot steam at 450°C is obtained by transferring heat at constant pressure from
a heat source at 650°C to the water in the boiler. Water vapor in the state of hot steam then
expands adiabatically in the turbine and comes out as saturated steam at a pressure of 50 kPa.
a) Show operations in the diagram T (°C)-s (kJ/ups)
b) Find the isanthropic efficiency and power of the steam turbine.
c) Find the total entropy production by calculating the entropy production in the boiler and
turbine.
2
Türbin
Buhar Kazanı
3
1
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