Vortex shedding flowmeter assembly

Details Vortex shedding flowmeter assembly Vortex shedding flowmeter assembly

1977-12-27

1980-02-05

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

System

G01F 132

Patent

active

041865995

ABSTRACT:
The present invention relates to a flow velocity measuring apparatus which provides a distinct, measurable pattern of vortices known as Karman Vortex Generation. The apparatus is arranged to include a plurality of vortex producing obstructions which co-operate to provide a high signal output. The flowmeter is designed to use a vibration sensor which is accessible from the exterior of the pipe carrying the fluid being measured.

REFERENCES:
patent: 1215135 (1917-02-01), Fisher
patent: 3948097 (1976-04-01), Kurita et al.
patent: 3979954 (1976-09-01), Ide et al.
Owen "The Aerodynamics of Aircraft and Other Things," in Aeronautical Journal, 8/73, pp. 383-405.
Spivack "Vortex Frequency and Flow Pattern in the Wake of Two Parallel Cylinders at Varied Spacing Normal to an Air Stream," in Journal of Aeronautical Sciences, Je.46, pp. 289-301.
Ramamurthy et al., "Velocity Scales for Constrained Flows," or Aeronautical Journal, 1/75, pp. 38-41.

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