Correcting for two-phase flow in a digital flowmeter
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United States of America Patent
Stats
-
Jul 29, 2008
Grant Date -
May 31, 2007
app pub date -
Oct 23, 2006
filing date -
Mar 23, 2000
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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