Repeat the calculation of Prob. 1092, except for a test section of square rather than round cross

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Repeat the calculation of Prob. 10–92, except for a test section of square rather than round cross section, with a 30 cm × 30 cm cross section and a length of 80 cm. Compare the result to that of Prob. 10–92 and discuss.


Data from Problem 92

A laminar flow wind tunnel has a test section that is 30 cm in diameter and 80 cm in length. The air is at 20°C. At a uniform air speed of 2.0 m/s at the test section inlet, by how much will the centerline air speed accelerate by the end of the test section?

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