Nitrogen (N2) enters a well-insulated diffuser operating

Chapter 6, Problem 6.104

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Nitrogen (\(N_{2}\)) enters a well-insulated diffuser operating at steady state at 0.656 bar, 300 K with a velocity of 282 m/s. The inlet area is 4.8 X 10\(^{-3}\) m\(^{2}\) . At the diffuser exit, the pressure is 0.9 bar and the velocity is 130 m/s. The nitrogen behaves as an ideal gas with k 5 1.4. Determine the exit temperature, in K, and the exit area, in m\(^{2}\) . For a control volume enclosing the diffuser, determine the rate of entropy production, in kJ/K per kg of nitrogen flowing.

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