When an obstacle called a vortex shedder bar is placed in the flow, vortices are regularly generated alternately on both sides of the vortex shedder bar due to the viscous effect of the fluid. These vortices are called "Karman vortex street" and are asymmetrically aligned downstream of the vortex shedder bar. The principle that the frequency of vortices is proportional to the flow velocity is applied.
Please refer to the article "Vortex Flowmeters: Measurement Principle and Measured Fluids".
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渦流流量計
自1968 年率先推出工業渦流流量計以來，橫河電機一直是渦流流量計的代名詞。從那時起，橫河電機一直處於渦流技術的技術尖端，到現在持續提供種類繁多的渦流流量計，包括定制設計。