Convective attenuation flowmeter

Details Convective attenuation flowmeter Convective attenuation flowmeter

1987-07-10

1989-03-21

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Mass flow by imparting angular or transverse momentum to the...

G01F 180

Patent

active

048132896

ABSTRACT:
A mass flowmeter comprises an elongated conduit with one extremity connected to an inlet leg and restrained from moving laterally and the other extremity connected to an outlet leg by an axially resilient coupling disposed generally perpendicular to the elongated conduit, wherein the outlet leg is restrained from moving laterally. An electromagnetic vibrator generates flexural vibrations of the conduit intermittently or continuously and a motion detector measures attenuation or level of the kinetic energy of the flexural vibrations. The mass flow rate of media moving through the conduit is determined from a portion of the attenuation or damping of the flexural vibrations, which portion is caused by the convective transport of the kinetic energy of the flexural vibrations by the moving media through the conduit.

REFERENCES:
patent: 3080750 (1963-03-01), Wiley et al.
patent: 3218851 (1965-11-01), Sipin
patent: 4096745 (1978-06-01), Rivkin et al.
patent: 4470294 (1984-09-01), Hamel
patent: 4622858 (1986-11-01), Mizerak

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