A (50 times 50 mathrm{~cm}) duct is (10 mathrm{~m}) in length. Nitrogen enters at (M_{1}=3.0) and leaves

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A \(50 \times 50 \mathrm{~cm}\) duct is \(10 \mathrm{~m}\) in length. Nitrogen enters at \(M_{1}=3.0\) and leaves at \(M_{2}=1.7\), with \(T_{2}=280 \mathrm{~K}\) and \(p_{2}=7 \times 10^{4} \mathrm{~N} / \mathrm{m}^{2}\).

(a) Find the static and stagnation conditions at the entrance.

(b) What is the friction factor of the duct?

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Fundamentals Of Gas Dynamics

ISBN: 9781119481690

3rd Edition

Authors: Robert D Zucker, Oscar Biblarz

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