PLS HELP ASAP WILL MARK BRAIN and pls explain your answer....
1 answer:
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A) In the case of the Boundary Thickness Layer we use the given formula,
We know as well that,
Re = Número de Reynolds =
Where,
U = velocity
= kinematic viscosity
For water, kinematic viscosity,
So,
B) For flat plate boundary layer. Given the Critical Reynolds Number.= 5*10^5 we know that is equal to Re above.
Thus,
C. Wall shear stress,
For water, dynamic viscosity, = 2.344*10^-5 lbf-s/ft^2