Metering tubes for improved fluid flow measurement
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United States of America Patent
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Apr 26, 2016
Grant Date -
Jul 31, 2014
app pub date -
Jan 28, 2014
filing date -
Jan 28, 2013
priority date (Note) -
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Abstract
A meter tube assembly for use with an ultrasonic flow meter is provided. The meter tube assembly includes a pipe spool having an extremely rough first section including an interior surface with a relative roughness (ε/D) of 1% or greater. Fluid passing through the extremely rough section exhibits a flow profile that remains substantially constant over the range of Reynolds numbers. As such, ultrasonic flow meters can be simplified as they need not account for different Reynolds numbers.
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