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What is the maximum value of Reynolds number for laminar flow of air?
Wiki User
∙ 14y ago
The transition between laminar
and turbulent flow occurs not
at a specific value of the
Reynolds number but in a
range usually beginning
between 1,000 to 2,000 and
extending upward to between
3,000 and 5,000.
Wiki User
∙ 10y ago
Wiki User
∙ 14y agoReynold's number is independent of the fluid that flows. Its expression is given as
N = rho V D / eta, rho is the density of the fluid, V the speed of the molecules, D the diameter of the tube through which the fluid flows. Eta is coefficient of viscosity of the fluid. If N is less than 2000 then the flow will be streamline or laminar. If N exceeds the value 3000 then the flow becomes turbulent. If N is in between 2000 and 3000 then the flow will be switching over in between laminar or turbulent now and then.
So even in the case air, the same is to be followed.
Wiki User
∙ 14y agono unit, bcos it is non-dimensional
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