Flow rectifier for vortex flowmeter
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United States of America Patent
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Jun 27, 1989
Grant Date -
N/A
app pub date -
Dec 4, 1987
filing date -
Dec 4, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An upstream flow conditioner (rectifier) for a vortex flowmeter. The flow conditioner is constructed with flow rectification vanes placed parallel to the axis of the vortex shedding body at the inlet section of the meter body or between flanges for short meter bodies and insertion meters. The vanes comprise three equally spaced apart flat strips which are inserted in slotted grooves on the inlet side of the meter body or on a plate that can be inserted between flanges. The thickness and the depth of the strips and their distance from the shedding body are optimized to ensure the reproduction of a desired turbulence level and mean fluid velocity profile in the plane perpendicular to the shedding body.
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