steam turbine is designed to operate at a mass flow of 1.5 kg/s. Inlet state to the turbine P1=2 MPa, T1=400 C and V1=60 m/s; the output state is P2=0.1MPa, x2=0.97 and V2=150 m/s. The height difference between the turbine inlet and outlet is 1 m. The heat loss from the turbine is given as 50 kW. a) Determine the power generated from the turbine. b) Calculate the turbine power by neglecting the Kinetic and Potential energy changes. Comment these two results. c) Calculate the turbine inlet and outlet cross-sectional areas and steam pipe diameters.
steam turbine is designed to operate at a mass flow of 1.5 kg/s. Inlet state to the turbine P1=2 MPa, T1=400 C and V1=60 m/s; the output state is P2=0.1MPa, x2=0.97 and V2=150 m/s. The height difference between the turbine inlet and outlet is 1 m. The heat loss from the turbine is given as 50 kW. a) Determine the power generated from the turbine. b) Calculate the turbine power by neglecting the Kinetic and Potential energy changes. Comment these two results. c) Calculate the turbine inlet and outlet cross-sectional areas and steam pipe diameters.
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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A steam turbine is designed to operate at a mass flow of 1.5 kg/s. Inlet state to the turbine P1=2 MPa, T1=400 C and V1=60 m/s; the output state is P2=0.1MPa, x2=0.97 and V2=150 m/s. The height difference between the turbine inlet and outlet is 1 m. The heat loss from the turbine is given as 50 kW.
a) Determine the power generated from the turbine.
b) Calculate the turbine power by neglecting the Kinetic and Potential energy changes. Comment these two results.
c) Calculate the turbine inlet and outlet cross-sectional areas and steam pipe diameters.
d) If the ambient temperature is 27 C, what is the entropy generation in the turbine?
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