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b- Steam power plant has the steam enters the turbine at 80 bar and 400°C. The steam is expanded in the turbine to the condenser pressure of 0.075 bar. The cooling water circulated in the condenser at a rate of 3000 kg/s. The isentropic efficiency of the turbine is 0.87. For these conditions find: • Dryness fraction of the steam entering the condenser. • Cycle thermal efficiency. • Temperature rise of condenser cooling water. Neglect the pump work and construct a T - s diagram of the cycle. Take for cooling water that Cw= 4.2 kJ/kg K

b- Steam power plant has the steam enters the turbine at 80 bar and 400°C. The steam is expanded in the turbine to the condenser pressure of 0.075 bar. The cooling water circulated in the condenser at a rate of 3000 kg/s. The isentropic efficiency of the turbine is 0.87. For these conditions find: • Dryness fraction of the steam entering the condenser. • Cycle thermal efficiency. • Temperature rise of condenser cooling water. Neglect the pump work and construct a T - s diagram of the cycle. Take for cooling water that Cw= 4.2 kJ/kg K

Elements Of Electromagnetics
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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b- Steam power plant has the steam enters the turbine at 80 bar and 400°C. The steam is expanded in the turbine to the condenser pressure of 0.075 bar. The cooling water circulated in the condenser at a rate of 3000 kg/s. The isentropic efficiency of the turbine is 0.87. For these conditions find: • Dryness fraction of the steam entering the condenser. • Cycle thermal efficiency. • Temperature rise of condenser cooling water. Neglect the pump work and construct a T-s diagram of the cycle. Take for cooling water that Cw= 4.2 kJ/kg K %3D
Transcribed Image Text:b- Steam power plant has the steam enters the turbine at 80 bar and 400°C. The steam is expanded in the turbine to the condenser pressure of 0.075 bar. The cooling water circulated in the condenser at a rate of 3000 kg/s. The isentropic efficiency of the turbine is 0.87. For these conditions find: • Dryness fraction of the steam entering the condenser. • Cycle thermal efficiency. • Temperature rise of condenser cooling water. Neglect the pump work and construct a T-s diagram of the cycle. Take for cooling water that Cw= 4.2 kJ/kg K %3D
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