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Determine the maximum velocity at which the poiseuille Equation may be used for

a) water flowing in pipes diameter 0.001m, 0.015m & 0.20m, stating f, pressure drop/length in each case.

b) Re-work question a) using air instead of water.

I am a bit confused as to how i reach the maximum velocity in each lengths of pipe any help would be greatly appriciated guys.

thank you in advance.

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# Homework Help: Fluid mechanics - Poiseuille Equation

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