G - Physics – 01 – F
Patent
G - Physics
01
F
G01F 1/34 (2006.01) G01F 1/704 (2006.01) G01F 1/712 (2006.01) G01N 9/36 (2006.01) G01N 11/16 (2006.01)
Patent
CA 2399615
The invention concerns a non-intrusive method for characterising flow perturbations of a fluid inside a cylindrical pipe (2), which consists in: using as first indicator for determining the flow perturbations the variation of the fluid pressure: by providing around the pipe, at least a clamping ring, provided with a deformation sensor sensitive to deformations to which the pipe is subjected following fluid pressure variations, by measuring the deformation variations detected by the deformation sensor, and determining the pressure variations inside the pipe on the basis of the measurements of deformation variations detected by said sensor.
L'invention concerne un procédé non intrusif pour caractériser les perturbations d'écoulement d'un fluide à l'intérieur d'une canalisation cylindrique (2). Selon l'invention, le procédé consiste, pour déterminer les perturbations d'écoulement, à utiliser comme premier indicateur, la variation de pression du fluide: en disposant autour de la canalisation, au moins un collier de serrage muni d'au moins un capteur de déformation sensible aux déformations que subit la canalisation consécutivement aux variations de pression du fluide, en mesurant les variations de déformation détectées par le capteur de déformation, et en déterminant les variations de pression du fluide à l'intérieur de la canalisation à partir des mesures de variations de déformation détectées par ledit capteur.
Reber Jean Daniel
Romanet Thierry
Metravib R.d.s.
Robic
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