Ultrasound flow measurement method

Details Ultrasound flow measurement method Ultrasound flow measurement method

1998-04-27

1999-06-01

Dougherty, Elizabeth L.

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

7386129, G01F 166

Patent

active

059089920

ABSTRACT:
The invention concerns and ultrasound flow rate measurement method by means of a measuring tube and at least two pairs of ultrasound transducers located on the measuring tube, in each case forming a measuring path, whereby the radial components of at least two measuring paths deviate from each other with respect to the axis of the measuring tube and in the case of which the measured value for the rate of flow of a flowing medium is determined from the velocity of the medium along at least two measuring paths. In accordance with the invention an ultrasound flow measuring method of this kind is further developed in that the eddy intensity in the medium is determined from the velocities of the medium along the measuring paths, the relation between angular momentum and axial momentum enters into the determination of the eddy intensity at least approximately, and the measured value for the rate of flow is corrected by means of the eddy intensity.

REFERENCES:
patent: 5546812 (1996-08-01), Drenthen

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