what is the relation between f and reynolds number?

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what is the relation between f and reynolds number?..

f = 64 / Re for laminar flow through pipe

 Is This Answer Correct ? 20 Yes 3 No

what is the relation between f and reynolds number?..

The question is not fully clear Reynold number is define as
the R= VD/kinamatic viscosity . where V is the mean
velocity and D is the pipe inner diameter. Reynolds is used
for many purposes in fluid mechanics one of them is the
determination of friction factor. As mentioned in Answe
one. It is true that f=64/Re for laminar flow. Whereas for
turbulent flow coleebrook eqation should be used

 Is This Answer Correct ? 17 Yes 3 No

what is the relation between f and reynolds number?..

f = function of Re & relative roughness

 Is This Answer Correct ? 2 Yes 0 No

what is the relation between f and reynolds number?..

laminar flow
f=16/Nre (dimensionless form of hagen-poiseuille)
turbulent flow
colebrook eqution

 Is This Answer Correct ? 2 Yes 2 No

what is the relation between f and reynolds number?..

fluid ink

 Is This Answer Correct ? 4 Yes 7 No

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