Enter the volumetric flow rate and the radius of the tube into the calculator to determine the hydraulic fluid velocity.

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## Hydraulic Fluid Velocity Formula

The following equation is used to calculate the Hydraulic Fluid Velocity.

HFV = Q / (pi*r^2)

- Where HFV is the hydraulic fluid velocity (m/s)
- Q is the volume flow rate (m^3/s)
- r is the radius of the hydraulic tube (m)

To calculate the hydraulic fluid velocity, divide the volume flow rate by the cross-sectional area of the hydraulic tube.

## What is a Hydraulic Fluid Velocity?

Definition:

A hydraulic fluid velocity describes the linear speed at which hydraulic fluid moves through a tube.

## How to Calculate Hydraulic Fluid Velocity?

Example Problem:

The following example outlines the steps and information needed to calculate Hydraulic Fluid Velocity.

First, determine the volume flow rate (m^3/s). In this example, the volume flow rate is found to be 300 m^3/s.

Next, determine the radius of the hydraulic tube. For this problem, the radius of the hydraulic tube is found to be .25m.

Finally, calculate the Hydraulic Fluid Velocity using the formula above:

HFV = Q / (pi*r^2)

HFV = 300 / (3.14159*.25^2)

HFV = 1527.88 m/s