G - Physics – 01 – F
Patent
G - Physics
01
F
G01F 1/712 (2006.01) G01F 1/66 (2006.01)
Patent
CA 2537897
A method, apparatus and system are provided to measure the process flow of a fluid or medium traveling in a pipe. The system and apparatus feature a standoff and piezoelectric-based sensor arrangement having a plurality of standoffs arranged on a pipe and a plurality of sensor bands, each arranged on a respective plurality of standoffs, each having at least one sensor made of piezoelectric material arranged thereon to detect unsteady pressure disturbances in the process flow in the pipe which in turn can be converted to the velocity of and/or speed of sound propagating within the pipe, and a cooling tube arranged in relation to the plurality of standoffs for actively cooling the sensor band; and further comprise a processing module for converting one or more sensor signals into a measurement containing information about the flow of the fluid or medium traveling in the pipe, as well as a pump and heat exchanger for processing the cooling fluid flowing through the cooling tube. The processing includes maintaining the cooling fluid at a desired operating temperature.
L'invention porte sur un procédé, un appareil et un procédé de mesure d'un flux de processus circulant dans une conduite. Le système et l'appareil utilisent plusieurs supports d'écartement disposés le long de la conduite comportant chacun une bande annulaire de détecteurs piézo-électriques servant à détecter les instabilités de pression dans le fluide, ces mesures pouvant ensuite être converties en vitesse du fluide et de propagation des sons dans la conduite. Il est également prévu un tube de refroidissement disposé sur les supports d'écartement et un module de traitement qui convertit les signaux des détecteurs en informations sur le flux de fluide circulant dans la conduite, ledit traitement ayant pour but de maintenir le réfrigérant à la température de fonctionnement désirée.
Croteau Paul F.
Davis Michael A.
Dunphy James R.
Gysling Daniel L.
Maron Robert J.
Cidra Corporate Services Inc.
Cidra Corporation
Gowling Lafleur Henderson Llp
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