Flow calculator with velocity curve fitting circuit means

Details Flow calculator with velocity curve fitting circuit means Flow calculator with velocity curve fitting circuit means

1980-10-17

1984-02-21

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

364510, G01F 166

Patent

active

044322437

ABSTRACT:
A novel acoustic flow-measuring apparatus and method of the type comprising a plurality of pairs of transducers mounted at the walls of a pipe carrying the fluid to be measured. Each pair is formed of opposed upstream and downstream transducers which project and receive acoustic energy toward each other along an intermediate acoustic path. Circuit means are provided whereby a general velocity distribution function is particularized by a relatively simple signal processing system utilizing a curve-fitting procedure.

REFERENCES:
patent: 4109523 (1978-08-01), Teyssandier
S. G. Fisher et al.-Modern Developments in Flow Measurement, Peter Peregrinus, Ltd., London, 1972, pp. 139-159.

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