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What is the formula for velocity gradient?

Posted in FRICTION IN SOLIDS AND LIQUIDS | Email This Post Email This Post |

Velocity Gradient is defined as the ratio of increase of velocity to the distance across which the increase occurs.

The formula for velocity gradient is given as,

Velocity Gradient = velocity/distance.

In fluid mechanics ,

Velocity Gradient is defined as the variation in velocity among the adjacent layers of the fluid. The difference in the flow of velocity between the  adjacent layers of the fluid is measured in velocity gradient.

The formula for velocity gradient is given as,

Velocity Gradient = Difference in flow velocity between the layers / distance between the layers.

SI unit of Velocity Gradient is s-1.

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