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Internal flow turbulent Boundary layer

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Old   April 30, 2019, 04:10
Default Internal flow turbulent Boundary layer
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Mahendravarman
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Is there any empirical co relation is to calculated turbulent boundary layer height for internal flows.

Last edited by mahendravarman; April 30, 2019 at 08:23.
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Old   April 30, 2019, 14:06
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In developed internal flows, the boundary layers are the entire duct.


In developing internal flows, typically flat plat theory is applied and you use the same Blasius results (\frac{4.906}{\sqrt{Re_x}} for velocity thickness or \frac{1.7208}{\sqrt{Re_x}} for displacement thickness).


Accounting for pipe curvature exists but is not often applied.
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