Question

Write the physical significance of reynolds number

Answer 1

This is proportional to the ratio of inertial forces and viscous forces (forces resistant to change and heavy and gluey forces) in a fluid flow. The Reynolds number is used to study fluids as they flow. The Reynolds number determines whether a fluid flow is laminar or turbulent.

Answer 2

Explanation:

• Reynolds number tells about the nature of the Viscous flow in fluid mechanics.
• It is a dimensional quantity. It is given by the ratio of inertial to the viscous forces in a fluid flow.
• Its formula is given by :

$R=\dfrac{\rho uL}{\mu}$

Here,

$\rho$ is density of fluid

u is velocity of fluid wrt the object

L is characteristic linear dimension

$\mu$ is dymanic viscosity of fluid.

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Reynolds number

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