Measuring and testing – Volume or rate of flow – Of selected fluid mixture component
Patent
1993-12-15
1995-06-27
Chilcot, Jr., Richard E.
Measuring and testing
Volume or rate of flow
Of selected fluid mixture component
G01F 174
Patent
active
054269822
ABSTRACT:
In order to measure for example the velocity of particles moving within various pipes or enclosures (1), such as catalyst balls circulating in continuous reforming plants, a channel (2) with a section suited to that of the particles, connected to a source of fluid of determined flow rate (4), opens therein and the pressure variations in this channel, resulting from the flow of the particles circulating past the end thereof, which modify the free flowing of the fluid towards the pipe, are measured. The particle velocity is notably determined through an auto-correlation of the signal translating the pressure variations by means of a processing system (6). Two fluid-fed channels (7, 8) may also open onto two different locations along the pipe and, through a crosscorrelation of the signals translating respectively the pressure variations, the velocity and the section of the circulating particles may for example be determined.
REFERENCES:
patent: 4930343 (1990-06-01), Johnson
patent: 5199306 (1993-04-01), Hunter
Soviet Inventions Illustrated, Section EI, Week 84/17, Jun. 6, 1984, Derwent Publications Ltd. AN 84-106437--Abstract.
Beauducel Claude
Buisson Andre
Gille Damien
Chilcot Jr. Richard E.
Institut Francais du Pe'trole
Patel Harshad
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