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Q5/ Steam enters a turbine with a pressure of 30 bar, a temperature of 400 °C, and a velocity of 160 m/s. Saturated vapor at 100 °C exits with a velocity of 100 m/s. At steady state, the turbine develops work equal to 540 kJ per kg of steam flowing through the turbine. Heat transfer between the turbine and its surroundings occurs at an average outer surface temperature of 350 K. Determine the rate at which entropy is produced within the turbine per kg of steam flowing, in kJ/kg.K. Neglect the change in potential energy between inlet and exit. 30 bar 400°C Surroundings at 293 K P = 30 bar T, = 400°C V, = 160 m/s 1 Wey = 540 kJ/kg 100°CE >T, = 100°C Saturated vapor V2 = 100 m/s T = 350 K-

Q5/ Steam enters a turbine with a pressure of 30 bar, a temperature of 400 °C, and a velocity of 160 m/s. Saturated vapor at 100 °C exits with a velocity of 100 m/s. At steady state, the turbine develops work equal to 540 kJ per kg of steam flowing through the turbine. Heat transfer between the turbine and its surroundings occurs at an average outer surface temperature of 350 K. Determine the rate at which entropy is produced within the turbine per kg of steam flowing, in kJ/kg.K. Neglect the change in potential energy between inlet and exit. 30 bar 400°C Surroundings at 293 K P = 30 bar T, = 400°C V, = 160 m/s 1 Wey = 540 kJ/kg 100°CE >T, = 100°C Saturated vapor V2 = 100 m/s T = 350 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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Q5/ Steam enters a turbine with a pressure of 30 bar, a temperature of 400 °C, and a velocity of 160 m/s. Saturated vapor at 100 °C exits with a velocity of 100 m/s. At steady state, the turbine develops work equal to 540 kJ per kg of steam flowing through the turbine. Heat transfer between the turbine and its surroundings occurs at an average outer surface temperature of 350 K. Determine the rate at which entropy is produced within the turbine per kg of steam flowing, in kJ/kg.K. Neglect the change in potential energy between inlet and exit. 30 bar 400°C Surroundings at 293 K P = 30 bar T, = 400°C V, = 160 m/s 1 Wex = 540 kJ/kg 100°C T,= 100°C Saturated vapor V2 = 100 m/s T = 350 K-
Transcribed Image Text:Q5/ Steam enters a turbine with a pressure of 30 bar, a temperature of 400 °C, and a velocity of 160 m/s. Saturated vapor at 100 °C exits with a velocity of 100 m/s. At steady state, the turbine develops work equal to 540 kJ per kg of steam flowing through the turbine. Heat transfer between the turbine and its surroundings occurs at an average outer surface temperature of 350 K. Determine the rate at which entropy is produced within the turbine per kg of steam flowing, in kJ/kg.K. Neglect the change in potential energy between inlet and exit. 30 bar 400°C Surroundings at 293 K P = 30 bar T, = 400°C V, = 160 m/s 1 Wex = 540 kJ/kg 100°C T,= 100°C Saturated vapor V2 = 100 m/s T = 350 K-
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