Question: In flow past a sphere, the boundary layer becomes turbulent at about ReD 2.5E5. To what air speed in mi/h does this correspond to a

In flow past a sphere, the boundary layer becomes turbulent at about ReD ≈ 2.5E5. To what air speed in mi/h does this correspond to a golf ball whose diameter is 1.6 in? Do the pressure, temperature, and humidity of the air make any difference in your calculation?

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For air at 20C take 12 kgm3 and 18E5 kgm s Convert D 16 inches ... View full answer

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