Throttling issue
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Will the pipeline pressure drop after flow limitation? Why is there such loud noise?
Take a look at the section on orifice plate flow restriction in Chemical Engineering Principles; it contains detailed explanations.
It will decrease; first, due to pressure loss, and secondly, depending on the differential pressure between the devices before and after.
After flow restriction, the pressure decreases and the airflow noise becomes more pronounced~~
The resistance element reduces pressure; the flow rate is high, resulting in noise
The principle of flow restriction is to change the cross-sectional area; as the flow velocity increases, so does friction, which in turn leads to increased noise. However, if this increase is too great, it will definitely cause problems