As you may know, Vortex flowmeters use the principle called the von Kármán effect in their principle of operation. This principle dictates that flow is alternately responsible for generating vortices when traveling by a bluff body.
According to the Vortex flow meter, a bluff body is described as a material with a broad and flat front. This material extends vertically into the meter’s flow stream.
In other scenarios, the Vortex flow meter requires a straight upstream piping or straightening vanes to eliminate any distorted swirl or flow patterns. Moving on, the accuracy of a Vortex flow meter is measured from medium to high.
However, this significantly depends on the model you are using and the manufacturer behind its creation. The Vortex flow meter calculation is used to measure the following:
- Gas flow measurement
- Liquid flow measurement
- And Steam flow as well
Vortex flowmeter calculations are more versatile and can be used in market trends and technology, as well as in news and notes.
In a certain range of Reynolds number(2×10^4~7×10^6), the relationship among vortex releasing frequency, fluid velocity, and vortex generator facing flow surface width can be expressed by the following equation:[3]
f=St×V/d
Wherein, f is the releasing frequency of Carmen vortex, St is the Strouhal number, V is velocity, and d is the width of the triangular cylinder.