In the system shown in the figure, saturated liquid water at 12 MPa pressure enters the boiler at a flow rate of 45 kg / h. Heat is transferred from a heat source at 650 ° C to the water in the boiler at constant pressure, and superheated steam at 450 ° C temperature is obtained. The steam in the form of superheated steam then expands adiabatically in the turbine and comes out as saturated steam at 50 kPa pressure. a) Show the operations on the T (° C) -s (kJ / kgK) diagram. b) Find the isentropic efficiency and power of the steam turbine. c) Find the total entropy generation by calculating the entropy productions in the boiler and the turbine.
In the system shown in the figure, saturated liquid water at 12 MPa pressure enters the boiler at a flow rate of 45 kg / h. Heat is transferred from a heat source at 650 ° C to the water in the boiler at constant pressure, and superheated steam at 450 ° C temperature is obtained. The steam in the form of superheated steam then expands adiabatically in the turbine and comes out as saturated steam at 50 kPa pressure. a) Show the operations on the T (° C) -s (kJ / kgK) diagram. b) Find the isentropic efficiency and power of the steam turbine. c) Find the total entropy generation by calculating the entropy productions in the boiler and the turbine.
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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In the system shown in the figure, saturated liquid water at 12 MPa pressure enters the boiler at a flow rate of 45 kg / h. Heat is transferred from a heat source at 650 ° C to the water in the boiler at constant pressure, and superheated steam at 450 ° C temperature is obtained. The steam in the form of superheated steam then expands adiabatically in the turbine and comes out as saturated steam at 50 kPa pressure. a) Show the operations on the T (° C) -s (kJ / kgK) diagram. b) Find the isentropic efficiency and power of the steam turbine. c) Find the total entropy generation by calculating the entropy productions in the boiler and the turbine.
Transcribed Image Text:2
Türbin
Buhar Kazanı
turbine
boiler
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