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.
Systems for ventilation and air handling - air change rates, ducts and pressure drops, charts and diagrams and more.
Online calculator to compute friction loss in air ducts.
Minor loss (pressure or head loss) coefficients for air duct components.
Typical air duct velocities in applications like ventilation systems or compressed air systems.
Head loss or major loss in air ducts - equations and online calculator for rectangular and circular ducts - Imperial and SI units.
Required duct area vs. air flow.
Standard size of circular ventilation air ducts.
Calculate velocities in circular and rectangular ducts - imperial and SI-units - online calculator.
The velocity reduction method can be used when sizing air ducts.
Recommended air velocities in HVAC ducts.
Velocity diagram for rectangular air ducts - metric units.