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Is Reynolds number is ratio of inertial force to viscous force?

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in Aerodynamics by (773k points)
Is Reynolds number is ratio of inertial force to viscous force?

(a) True

(b) False

I had been asked this question by my school principal while I was bunking the class.

My question is based upon Laminar Flow topic in division Incompressible Flow over Airfoils of Aerodynamics

1 Answer

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Best answer
Correct option is (a) True

For explanation I would say: The Reynolds number is the ratio of inertial force to the viscous force of the fluid, how fast the fluid is moving relative to how viscous it is, irrespective of the scale of the fluid system. Laminar flow generally occurs when fluid is moving slowly or the fluid is very viscous.

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