Nitrogen (N₂) enters a well-insulated diffuser operating at steady state at 0.656 bar, 275 K with a velocity of 282 m/s. The inlet area is 4.8 x 103 m². At the diffuser exit, the pressure is 0.9 bar and the velocity is 80 m/s. The nitrogen behaves as an ideal gas with k = 1.4. (a) Determine the exit temperature, K, and the exit area, in m². (b) For a control volume enclosing the diffuser determine the rate of entropy production, in kW/K.

Nitrogen (N₂) enters a well-insulated diffuser operating at steady state at 0.656 bar, 275 K with a velocity of 282 m/s. The inlet area is 4.8 x 103 m². At the diffuser exit, the pressure is 0.9 bar and the velocity is 80 m/s. The nitrogen behaves as an ideal gas with k = 1.4. (a) Determine the exit temperature, K, and the exit area, in m². (b) For a control volume enclosing the diffuser determine the rate of entropy production, in kW/K.

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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Question

Nitrogen (N₂) enters a well-insulated diffuser
operating at steady state at 0.656 bar, 275 K
with a velocity of 282 m/s. The inlet area is 4.8
x 10-3 m². At the diffuser exit, the pressure is
0.9 bar and the velocity is 80 m/s. The
nitrogen behaves as an ideal gas with k = 1.4.
(a) Determine the exit temperature, in K, and
the exit area, in m².
(b) For a control volume enclosing the diffuser,
determine the rate of entropy production, in
kW/K.

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