What does Kinematic Viscosity mean in Fluid Mechanics ?

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What does Kinematic Viscosity mean in Fluid Mechanics ?

Kinematic viscosity (also known as momentum diffusivity) measures the flow rate of a fluid as it moves over a stationary material under gravitational force. In this case, the force is not measured because kinematic viscosity is a measure of how fast a fluid is moving under gravity.

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How is Kinematic Viscosity of a flud calculated ?

In some applications, Kinematic viscosity is obtained by dividing the dynamic viscosity by bulk density. Mass density, on the other hand, is found by dividing the mass of a substance by its volume. Thus, the unit of kinematic viscosity is square meters per second.

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What is the definition of Kinematic Viscosity ?

In some cases, the inertia force of the fluid is also important in viscosity measurement. The inertia force of the fluid depends on the density of the fluid. Therefore, a new term called kinematic viscosity is defined to aid these calculations. Kinematic viscosity is defined as the ratio of dynamic viscosity to the density of the fluid. Kinematic viscosity is expressed in the term ν. Kinematic viscosity is square meters per second. The “Stoke” unit is also used to measure kinematic viscosity.

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It is found by dividing the dynamic viscosity by the specific mass.

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What is the definition of Kinematic Viscosity ?

The kinematic viscosity of a fluid is the ratio of the dynamic viscosity of the fluid to the fluid density at the same temperature.