Steam at 1800 lbf/in.? and 1100°F enters a turbine operating at steady state. As shown in the figure, 20% of the entering mass flow is extracted at 600 lbf/in.? and 500°F. Heat transfer turbine The rest of the steam exits as a P1 = 1800 lbf/in.2 T = 1100°F Turbine saturated vapor at 1 Ibf/in.? The turbine develops a power output of 6.8 X 106 Btu/h. Heat transfer from 2 the turbine to the surroundings occurs at a rate of 5 X 10* Btu/h. Saturated vapor P3 = 1 lbf/in.? m2 = 0.20 m, P2 = 600 lbf/in.? T2 = 500°F Part a.) Neglecting kinetic and potential energy effects, determine the mass flow rate of the steam entering the turbine in Ib/e

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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PROBLEM 1
Steam at 1800 Ibf/in.? and 1100°F
enters a turbine operating at steady
state. As shown in the figure, 20%
of the entering mass flow is
extracted at 600 Ibf/in.? and 500°F.
Heat transfer
W.
turbine
The rest of the steam exits as a
P1 = 1800 lbf/in.?
T = 1100°F
Turbine
saturated vapor at 1 Ibf/in.? The
turbine develops a power output of
6.8 X 106 Btu/h. Heat transfer from
the turbine to the surroundings
occurs at a rate of 5 X 10* Btu/h.
13
Saturated vapor
P3 = 1 lbf/in.?
m2 = 0.20 m,
P2 = 600 lbf/in.?
T2 = 500°F
%3D
Part a.) Neglecting kinetic and
potential energy effects, determine the mass flow rate of the steam entering the turbine
in Ib/s.
Part b.) Determine the entropy production (0) of this turbine.
2.
Transcribed Image Text:PROBLEM 1 Steam at 1800 Ibf/in.? and 1100°F enters a turbine operating at steady state. As shown in the figure, 20% of the entering mass flow is extracted at 600 Ibf/in.? and 500°F. Heat transfer W. turbine The rest of the steam exits as a P1 = 1800 lbf/in.? T = 1100°F Turbine saturated vapor at 1 Ibf/in.? The turbine develops a power output of 6.8 X 106 Btu/h. Heat transfer from the turbine to the surroundings occurs at a rate of 5 X 10* Btu/h. 13 Saturated vapor P3 = 1 lbf/in.? m2 = 0.20 m, P2 = 600 lbf/in.? T2 = 500°F %3D Part a.) Neglecting kinetic and potential energy effects, determine the mass flow rate of the steam entering the turbine in Ib/s. Part b.) Determine the entropy production (0) of this turbine. 2.
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