Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

# Air Ducts - Velocity Diagram

## Air flow volume, duct size, velocity and dynamic pressure.

Velocity and dynamic pressure in air ducts:

#### Example - Air Flow and Velocity

The velocity in a 1000 mm duct with airflow 3000 m3/h is approximately 1.1 m/s according the diagram above.

## Related Topics

• ### Ventilation Systems

Design of systems for ventilation and air handling - air change rates, ducts and pressure drops, charts and diagrams and more.

## Related Documents

• ### Air Duct Calculator

Online calculator to compute friction loss in air ducts.
• ### Air Duct Components - Minor Dynamic Loss Coefficients

Minor loss (pressure or head loss) coefficients for air duct components.
• ### Air Duct Velocities

Typical air duct velocities in applications like ventilation systems or compressed air systems.
• ### Air Ducts - Major Friction Head Loss, Online Calculator

Head loss or major loss in air ducts - equations and online calculator for rectangular and circular ducts - Imperial and SI units.
• ### Air Ducts - Sizing

Required duct area vs. air flow.
• ### Circular Ducts - Dimensions

Standard size of circular ventilation air ducts.
• ### Duct Velocity

Calculate velocities in circular and rectangular ducts - imperial and SI-units - online calculator.
• ### Ducts Sizing - the Velocity Reduction Method

The velocity reduction method can be used when sizing air ducts.
• ### HVAC Ducts - Air Velocities

Recommended air velocities in HVAC ducts.
• ### Rectangular Air Ducts - Velocity Diagram

Velocity diagram for rectangular air ducts - metric units.

## Search

Search is the most efficient way to navigate the Engineering ToolBox.

## Engineering ToolBox - SketchUp Extension - Online 3D modeling!

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with older versions of the amazing SketchUp Make and the newer "up to date" SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp Make/Pro from the Extension Warehouse !

We don't collect information from our users. More about

We use a third-party to provide monetization technologies for our site. You can review their privacy and cookie policy here.

You can change your privacy settings by clicking the following button: .

## Citation

• The Engineering ToolBox (2006). Air Ducts - Velocity Diagram. [online] Available at: https://www.engineeringtoolbox.com/air-duct-velocity-diagram-d_669.html [Accessed Day Month Year].

Modify the access date according your visit.

7.25.9

.