Correcting for two-phase flow in a digital flowmeter
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United States of America Patent
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-
Oct 24, 2006
Grant Date -
Dec 29, 2005
app pub date -
Aug 22, 2005
filing date -
Nov 26, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A flowmeter is disclosed. The flowmeter includes a vibratable conduit, and a driver connected to the conduit that is operable to impart motion to the conduit. A sensor is connected to the conduit and is operable to sense the motion of the conduit and generate a sensor signal. A controller is connected to receive the sensor signal. The controller is operable to detect a single-phase flow condition and process the sensor signal using a first process during the single-phase flow condition to generate a validated mass-flow measurement. The controller is also operable to detect a two-phase flow condition and process the sensor signal using a second process during the two-phase flow condition to generate the validated mass-flow measurement.
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