Portable non-invasive flowmeter for partially filled pipe

Measuring and testing – Volume or rate of flow – By measuring vibrations or acoustic energy

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7386123, G01F 166

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active

054639050

ABSTRACT:
A portable, non-invasive flowmeter for a partially filled pipe includes a Doppler shift velocity sensor and a level sensor, each of which has an ultrasonic transducer which is releasably attached to the outside of the pipe out of communication with the interior thereof. The transducers are coupled to a control console which includes a microprocessor which alternately operates the velocity and level sensors to produce flow and level signals respectively indicative of the fluid flow velocity and the filled cross-sectional area of the pipe and calculates the rate of fluid flow from the velocity and level signals.

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Dynasonics, Inc. brochure for Mark-2 Series High Frequency Ultrasonic Doppler Flowmeter.

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