Determine the average velocity by numerical integration

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Reference no: EM131149990

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

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).

Reference no: EM131149990

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