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What is System Effect?

Posted by Price Industries on September 10, 2019 at 9:47 AM
Illustrate system effect with duct changing sizes and directions
In duct design and installation, system effect is the generation of higher than expected pressure drops through changes in duct direction or geometry. It can also be caused by improper installation of  fittings, which result in excessive, unanticipated turbulence in the airflow. In short, system effect is the installed pressure drop which is different from the design pressure drop.
 

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Topics: System Effect, Static Pressure, Outlet Conditions, Pressure Drop, Velocity Profile, Inlet Conditions

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