Steam expands in a turbine steadily at a mass flowrate of m˙ = 42 Mg/h, entering at 8 MPa, 500°C and 81 m/s, and leaving at 40 kPa, 79% quality and 53 m/s. If the power generated by the turbine is 7.9 MW and the surrounding has a constant temperature of 22 °C A)Determine the change rate in the kinetic energy (in kW) of the system B)Determine the turbine inlet area (in cm2). C)Determine the magnitude of the heat loss rate (in MW) to the surroundings. D)Determine the rate of entropy generation, S˙gen
Steam expands in a turbine steadily at a mass flowrate of m˙ = 42 Mg/h, entering at 8 MPa, 500°C and 81 m/s, and leaving at 40 kPa, 79% quality and 53 m/s. If the power generated by the turbine is 7.9 MW and the surrounding has a constant temperature of 22 °C A)Determine the change rate in the kinetic energy (in kW) of the system B)Determine the turbine inlet area (in cm2). C)Determine the magnitude of the heat loss rate (in MW) to the surroundings. D)Determine the rate of entropy generation, S˙gen
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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Steam expands in a turbine steadily at a mass flowrate of m˙ = 42 Mg/h, entering at 8 MPa, 500°C and 81 m/s, and leaving at 40 kPa, 79% quality and 53 m/s. If the power generated by the turbine is 7.9 MW and the surrounding has a constant temperature of 22 °C
A)Determine the change rate in the kinetic energy (in kW) of the system
B)Determine the turbine inlet area (in cm2).
C)Determine the magnitude of the heat loss rate (in MW) to the surroundings.
D)Determine the rate of entropy generation, S˙gen
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