Air Ducts - Velocity Diagram
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 Friction Loss: Pressure Drop Calculator & Chart
Head loss or major loss in air ducts - equations and online calculator for rectangular and circular ducts - Imperial and SI units.
Air Duct Velocities
Typical air duct velocities in applications like ventilation systems or compressed air systems.
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.