Calculate the Reynold's number using a viscosity of air as 1.81E-05 kilograms/(meters-seconds), the density of air ( 1.21kg/m3 ), the diameter as 0.15 m, and, from the data, 0.89 m/s.
We have,
Viscosity of air
Density of air
Characteristic length that is Diameter of the object
Velocity of object relative to fluid in which it is in motion
So, the corresponding reynold's number will be given as,
So the value of Reynold's number is,
( Expressed in three significant figures )
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