Mass-volume vortex flowmeter

Details Mass-volume vortex flowmeter Mass-volume vortex flowmeter

1990-03-13

1991-04-09

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

73195, G01F 132

Patent

active

050054260

ABSTRACT:
A flowmeter comprises a first combination of vortex generator and sensor and a second combination of vortex generator and sensor wherein the first vortex shedding frequency measured by the first combination of vortex generator and sensor is proportional to the volume flow rate of fluid and the second vortex shedding frequency measured by the second combination of vortex generator and sensor is a function of the dynamic pressure of the fluid flow; wherein the volume flow rate of the fluid is determined from the first vortex shedding frequency, while the mass flow rate is determined from a combination of the first and second vortex shedding frequencies.

REFERENCES:
patent: 3937195 (1976-02-01), Woods
patent: 4116060 (1978-09-01), Frederick
patent: 4437349 (1984-03-01), Joy
patent: 4630484 (1986-12-01), Mizuno et al.

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