Measuring and controlling the flow of flowable materials

Details Measuring and controlling the flow of flowable materials Measuring and controlling the flow of flowable materials

G - Physics

01

F

G01F 1/76 (2006.01) G01F 1/00 (2006.01) G01F 1/78 (2006.01) G01F 25/00 (2006.01) C22B 21/00 (2006.01)

Patent

CA 2366505

A method of determining an inlet flow rate (F inlet) of a flowable material including passing an inlet stream of flowable material through a chamber (20) having an outlet aperture (100); measuring a first rate of change of quantity of material in the chamber (20) when the material is entering at said inlet flow rate; measuring a second rate of change of quantity of material in the chamber (20) when no material is entering the chamber (20); and calculating the inlet flow rate (F inlet) from said first and second rates, wherein both rate measurements are made while the whole of the outlet aperture (100) of the chamber (20) is occupied by the flowable material.

Cette invention concerne un procédé de détermination du débit d'entrée (Finlet) d'un matériau fluide. Ce procédé consiste: à faire passer un flux d'entrée de matériau fluide au travers d'une chambre (20) dotée d'une ouverture d'entrée (100); à mesurer un premier taux de changement quantitatif du matériau dans la chambre (20) lorsque ledit matériau pénètre selon le débit d'entrée susmentionné; à mesurer un second taux de changement quantitatif du matériau dans la chambre (20) lorsqu'aucun matériau ne pénètre dans ladite chambre; et à calculer le débit du flux d'entrée (Finlet) à partir des premier et second taux, les deux relevés de débit étant effectués lorsque l'ouverture d'entrée (100) de la chambre (20) est occupée dans sa totalité par le matériau fluide.

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