Vortex Flow meter Working Animation

       Working Principle of Vortex Flow meter

Vortex Flow meter Working Animation

Working Principle:

A vortex flow meter works based on the principle of  'Karman vortex street' demonstrated in the above figure. This principle essentially means that when an obstruction is placed in path of a flow, it can produce a series a vortices alternating from each side of the obstruction.The frequency of alternating of these vortices is proportional to the flow rate being obstructed. 

The vortex type flow meter uses a small rod called 'shredder bar' or 'bluff bar' to shred vortices and these vortices produced is directly proportional to flow rate. These vortices can be measured using a pressure sensor and it calculates proportional flow rate. In some applications different type of sensor may use in place of pressure sensor.

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