A system for acquiring an image of a multi-phase fluid by...

Details A system for acquiring an image of a multi-phase fluid by... A system for acquiring an image of a multi-phase fluid by...

G - Physics

01

N

G01N 15/02 (2006.01) B01J 2/00 (2006.01) B01J 19/06 (2006.01) G01N 25/14 (2006.01)

Patent

CA 2285189

An in-situ imaging system suitable for analyzing particles or droplets contained in process reactor vessels or pipelines at full process concentrations is disclosed. The system includes a light source (45) capable of high peak power output operated in a pulsed mode that is located inside of a probe. The light from the light source (45) is coupled into an optical fiber (6). The light is carried by the optical fiber to a lens system (3) near the end of the probe which focuses the light through a window (11) to an area which coincides with the field of view in the focal plane of the imaging optics (7). The imaging optics collect the light which is backscattered from particles or droplets, magnifying the image and projecting it onto an image detector (52) such as a CCD array.

L'invention porte sur un système d'imagerie in-situ pour l'analyse de particules ou de gouttelettes contenues dans les cuves de réacteurs de processus ou dans des pipelines alors que les concentrations de processus sont maximales. Le système comporte une source lumineuse (45) à pics de puissance élevés fonctionnant en mode pulsé et placée dans une sonde. La lumière de la source (45), raccordée à une fibre optique, est transportée par ladite fibre jusqu'à un système (3) de lentilles proche de l'extrémité de la sonde qui la focalise en traversant une fenêtre (11) jusqu'à une surface coïncidant avec le champ de vision du plan focal de l'optique d'imagerie (7) laquelle recueille la lumière rétrodiffusée par les particules et les gouttelettes, puis agrandit l'image et la projette sur un détecteur (52) d'images tel qu'un réseau CCD.

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