The duct velocity and air flow calculation will be able to quickly and easily determine the velocity of the air in a ducted system, allowing you to make informed decisions when designing and installing an HVAC system.
Calculation
Inputs
Duct Area
:0.25m2
Volumetric Flow Rate, m3/s
:1
Output
Velocity, m/s
:4
Explanation
Air duct velocity is the speed at which air moves through an air duct. It is usually measured in feet per minute (fpm) or meters per second (m/s). The following equation calculates the velocity of air in a duct based on the volumetric flow rate and the cross-sectional area of the duct.