3- First law steady state: Steam enters a well-insulated turbine operating at steady state with negligible velocity at 4 MPa, 320°C. The steam expands to an exit pressure of 0.07 MPa and a velocity of 90 m/s. The diameter of the exit is 0.6 m. Neglecting potential energy effects, plot the power developed by the turbine, in kW, versus the steam quality at the turbine exit ranging from 0.9 to 1.0.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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3- First law steady state: Steam enters a well-insulated turbine operating at steady state with negligible
velocity at 4 MPa, 320°C. The steam expands to an exit pressure of 0.07 MPa and a velocity of 90 m/s.
The diameter of the exit is 0.6 m. Neglecting potential energy effects, plot the power developed by the
turbine, in kW, versus the steam quality at the turbine exit ranging from 0.9 to 1.0.
4- Second law steady state: Steam at 5 MPa and 600°C enters an insulated turbine operating at steady
state and exits as saturated vapor at 50 kPa. Kinetic and potential energy effects are negligible.
Determine (a) the work developed by the turbine, in kJ per kg of steam flowing through the turbine. (b)
the isentropic turbine efficiency.
Transcribed Image Text:3- First law steady state: Steam enters a well-insulated turbine operating at steady state with negligible velocity at 4 MPa, 320°C. The steam expands to an exit pressure of 0.07 MPa and a velocity of 90 m/s. The diameter of the exit is 0.6 m. Neglecting potential energy effects, plot the power developed by the turbine, in kW, versus the steam quality at the turbine exit ranging from 0.9 to 1.0. 4- Second law steady state: Steam at 5 MPa and 600°C enters an insulated turbine operating at steady state and exits as saturated vapor at 50 kPa. Kinetic and potential energy effects are negligible. Determine (a) the work developed by the turbine, in kJ per kg of steam flowing through the turbine. (b) the isentropic turbine efficiency.
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