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 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.