HVAC - How to Size and Design Ducts - CED EngineeringExplore further
2020-10-15u2002·u2002Static Pressure is the pressure that causes air in the duct to : flow. Static pressure is the outward push of air against duct surfaces and is a measure of resistance when air moves through an object like duct work. Measured in inches of water column (in-wc), it acts equally in all directions and is independent of velocity. 2. Velocity pressure
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