Method and probe for the measurement of particles in a fluid

Details Method and probe for the measurement of particles in a fluid Method and probe for the measurement of particles in a fluid

G - Physics

01

N

G01N 15/06 (2006.01) C22C 9/06 (2006.01)

Patent

CA 2709978

Method for the measurement of particles in a fluid stream by measurement of the electric resistance of a measuring element as a function of the erosion of the measuring element caused by the particles. It is advantageous to use an alloy with a - in comparison with a temperature coefficient of the resistivity (specific electric resistance) of about 1,9*10^-3 K^-1 (Monel® 400 or a similar alloy) - considerably lower temperature coefficient of the resistivity. It also comprises a probe (2) with such a measuring element (3).

L'invention concerne un procédé de mesure de particules dans un courant de fluide par la mesure de la résistance électrique d'un élément de mesure comme fonction de l'érosion de l'élément de mesure provoquée par les particules. Il est avantageux d'utiliser un alliage avec un coefficient de température de la résistivité considérablement plus faible par comparaison avec un coefficient de température de la résistivité (résistance électrique spécifique) d'environ 1,9*10^-3 K^-1 (Monelâ 400 ou alliage similaire). L'invention concerne également une sonde (2) avec un tel élément de mesure (3).

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