Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Question
Apply SFEE for the steam nozzle used in the steam power
plant and determine the outlet velocity of the steam using the
following details.
Steam at 18 bar and 350°C steadily enters a nozzle whose inlet
area is 200 cm2. The mass flow rate of the steam is 4.5 g/s. Heat
losses from the nozzle per unit mass of the steam are estimated
to be 2.8 kJ/kg. Steam leaves the nozzle at 14 bar, 300 °C.
Determine the outlet velocity of the steam.
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- Answer the following questions about air flowing through a nozzle as shown in the schematic below. The air enters the nozzle at 2.2 kg/m³ and 34 m/s and leaves at 0.72 kg/m³ and 130 m/s. The nozzle inlet area is 60 cm². The mass flow rate is 4.5 kg/s. The outlet cross-sectional area is 1 cm². P1 Nozzle V₂ P2arrow_forwardAir flows Skeadily through a themally insulated duct of Varyıng Cress- Sectonal area . The air enters at 52°C , 200 kla, and 355 m/Sec, and exits at 77°C and kla. The inlet oross- Sechonal area is 6.57 cm?. Using the ideal gas model, but without assuming constant Specific heats, Calculate the rate of entropy production within the duct in kW/°K using 5 signifigant Agures.arrow_forwardSolve the following problem and show your complete solutions. explain your answer for better understandingarrow_forward
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