Correcting frequency in flowtube measurements

Manus Henry (Inventor), Mayela E. Zamora (Inventor)

Research output: Patent

Abstract

Techniques are described for accurately measuring a density or other parameter of a fluid traveling through a vibratable conduit, using a flowmeter. The techniques involve obtaining measurements of a frequency of vibration of the conduit, as a function of a phase difference between two sensors measuring the vibration. Using the measurements, a corrected frequency corresponding to a zero phase difference can be estimated, and this corrected frequency can be used to perform density calculations. These techniques remove an undesirable dependency between the frequency/phase difference variables.

Original languageEnglish
IPCG01F 1/ 84 A I
Priority date30/07/04
Publication statusPublished - 17 Feb 2005
Externally publishedYes

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