Measuring and testing – Volume or rate of flow – By measuring vibrations or acoustic energy
Patent
1987-12-04
1989-06-27
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
By measuring vibrations or acoustic energy
138 39, 73198, G01F 132, F15D 104
Patent
active
048417815
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.
REFERENCES:
patent: 2216046 (1940-09-01), Peck
patent: 2292246 (1942-08-01), Steffens
patent: 3185181 (1965-05-01), Demyan
patent: 3895531 (1975-07-01), Lambert
patent: 4058141 (1977-11-01), Hasinger et al.
patent: 4397192 (1983-08-01), Mollet
Gaudier Dale V.
Goldstein Herbert
Schlumberger Industries Inc.
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