A configurable multi-function flow measurement apparatus...

G - Physics – 01 – F

Patent

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Details

G01F 1/66 (2006.01) G01F 1/708 (2006.01) G01F 1/712 (2006.01) G01F 1/74 (2006.01)

Patent

CA 2532577

A configurable multi-function flow measurement apparatus is provided that can selectably function to measure the speed of sound propagating through a fluid flowing within a pipe and/or to measure pressures disturbances (e.g. vortical disturbances or eddies) moving with a fluid to determine respective parameters of the flow propagating through a pipe and detects the health of an industrial process. The configurable flow measurement device can also be selectable to function as a system diagnostic meter that provides a diagnostic signal indicative of the health of the industrial process, namely health of pumps, valves, motors and other devices in an industrial flow loop. The apparatus includes a sensing device that includes an array of strained-based or pressure sensors used to measure the acoustic and convective pressure variations in the flow to determine desired parameters. In response to a remote or local configuration signal, a control logic selects the desired function of the flow measurement apparatus.

L'invention concerne un appareil de mesure d'écoulement multifonction configurable pouvant servir sélectivement à mesurer la vitesse d'un son se propageant à travers un fluide qui s'écoule dans un tuyau et/ou à mesurer des perturbations de pression (p. ex. perturbations de tourbillonnement ou remous) qui se déplacent avec le fluide, afin de déterminer des paramètres respectifs de l'écoulement dans le tuyau, et de détecter l'état d'un processus industriel. Cet appareil de mesure d'écoulement configurable peut aussi servir sélectivement d'appareil de mesure diagnostique de système et produire un signal diagnostique indiquant l'état du processus industriel, à savoir l'état de pompes, de vannes, de moteurs et d'autres dispositifs d'un circuit d'écoulement industriel. L'appareil comprend un dispositif de détection comportant un réseau de capteurs de contrainte ou de pression, qui servent à mesurer les variations de pression acoustique et convective de l'écoulement afin de déterminer des paramètres voulus. En réponse à un signal éloigné ou local de configuration, une logique de commande sélectionne la fonction voulue de l'appareil de mesure d'écoulement.

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