Open channel multichannel ultrasonic flowrate measurement appara

Details Open channel multichannel ultrasonic flowrate measurement appara Open channel multichannel ultrasonic flowrate measurement appara

1995-12-18

1998-07-14

Biegel, Ronald L.

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

G01F 100

Patent

active

057807477

ABSTRACT:
A measurement method for distances between ultrasonic transducers installed on opposite banks of a river or open water channel is provided. Ultrasonic transducer clusters having two transducers spaced by a known distance are used for multichannel ultrasonic flowrate measurement. The distance between ultrasonic transducers installed in the water on both sides of the river is determined by the measurement of the horizontal average flow velocity directly by ultrasonic waves. A calibration and testing method is provided for the distance between two ultrasonic transducers included in the clustered ultrasonic transducer for the calibration and testing method of the flowrate measurement error for a multichannel ultrasonic flowrate measurement system, and for the clustered ultrasonic transducer apparatus.

REFERENCES:
patent: 5515721 (1996-05-01), Kim et al.
patent: 5531124 (1996-07-01), Kim et al.
patent: 5531125 (1996-07-01), Ahn et al.

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