Compare with the moody chart and with eq


John Laufer (NACA Tech Rep. 1174, 1954) gave velocity data 20°C airflow in a smooth 24.7-cm-diameter

2046_0f883ab7-b364-4ee5-ba64-08826f564e50.png

The centerline velocity uCL was 30.5 m/s. Determine

(a) the average velocity by numerical integration and

(b) the wall shear stress from the log law approximation.

Compare with the Moody chart and with Eq. (6.43).

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Mechanical Engineering: Compare with the moody chart and with eq
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