4. (a) at a rate of 6.25 kg/s and exits at 0.2 MPa and 150°C, (Fig. below). The steam is losing heat to the surrounding air at 100 kPa and 25°C at a rate of 480 kW, and the kinetic and potential energy changes are negligible. Determine (a) the actual power output, (b) the maximum possible power output, (c) the second-law efficiency, (d) the exergy destroyed, and (e) the exergy of the steam at the inlet conditions. Steam enters a turbine steadily at 5MPA and 550°C 5 MPa 480 kW 550 C STEAM TURBINE T, = 25°C Po = 100 kPa 0.2 MPa

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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4. (а)
at a rate of 6.25 kg/s and exits at 0.2 MPa and 150°C, (Fig.
below). The steam is losing heat to the surrounding air at 100
kPa and 25°C at a rate of 480 kW, and the kinetic and
potential energy changes are negligible. Determine (a) the
actual power output, (b) the maximum possible power output,
(c) the second-law efficiency, (d) the exergy destroyed, and
(e) the exergy of the steam at the inlet conditions.
Steam enters a turbine steadily at 5MPA and 550°C
5 MPa
480 kW
550 с
STEAM
TURBINE
To = 25°C
Po = 100 kPa
0.2 MPa
150°C
Transcribed Image Text:4. (а) at a rate of 6.25 kg/s and exits at 0.2 MPa and 150°C, (Fig. below). The steam is losing heat to the surrounding air at 100 kPa and 25°C at a rate of 480 kW, and the kinetic and potential energy changes are negligible. Determine (a) the actual power output, (b) the maximum possible power output, (c) the second-law efficiency, (d) the exergy destroyed, and (e) the exergy of the steam at the inlet conditions. Steam enters a turbine steadily at 5MPA and 550°C 5 MPa 480 kW 550 с STEAM TURBINE To = 25°C Po = 100 kPa 0.2 MPa 150°C
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