Patent
Fluid flow measurement correcting system and methods of constructing and utilizing same
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TLDR
An apparatus for calculating fluid flow in a channel, comprising a probe member (1) which detects fluid depth (L) in the channel, a mechanism (4) for measuring average fluid velocity, and a mechanism for correcting the detected fluid depth based upon the measured average fluid velocities in order to account for drawdown, is described in this article.Abstract:
An apparatus (1) for calculating fluid flow in a channel, comprising a probe member (1) which detects fluid depth (L) in the channel; a mechanism (4) for measuring average fluid velocity in the channel; a mechanism for correcting the detected fluid depth based upon the measured average fluid velocity in order to account for drawdown; and a mechanism (2) for calculating average flow rate based upon the average fluid velocity measurement and the corrected fluid depth valueread more
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References
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Fluid flow meter
TL;DR: In this article, a fluid flow rate meter is disclosed for measuring the flow of fluid in a partially filled conduit or channel, including an electromagnetic probe adapted for mounting in the conduit below the low water mark thereof to produce a sensed velocity signal, and a liquid height pressure transducer including an air tube having a bubble-producing opening adjacent the probe for generating a fluid height signal that modifies the sensed velocity signals to produce the resultant signal that corresponds with the average velocity of fluid flow.
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