Method and device for demonstrating a concentration of a...

G - Physics – 01 – N

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G01N 25/00 (2006.01)

Patent

CA 2302318

The invention relates to a method and device for demonstrating a concentration of a fluid ice mixture (fluid binary ice), comprising the following steps: decoupling a partial current of the fluid, which is then fed into a heat exchanger (16) in which it is heated up to total fusion, while measuring the inlet temperature (tA) and the outlet temperature (tB); further heating the fluid current by an external source of heat and returning the partial current through the heat exchanger (16), while measuring again the inlet temperature (tC) and the outlet temperature (tD); and computing the gas concentration based on the equation Xice = (tC - tD - tB + tA) x (cpfluid / hice), where cpfluid is the heat capacity and hice is the fusion enthalpy of the binary ice.

La présente invention concerne un procédé et un dispositif de mise en évidence d'une concentration d'un mélange de glace fluide (glace fluide binaire), comprenant les étapes suivantes: découplage d'un courant partiel du fluide, qui est ensuite introduit et réchauffé dans un échangeur de chaleur (16) jusqu'à fusion complète, avec mesure de la température d'admission (t¿A?) et de la température de sortie (t¿B?); poursuite du réchauffement du courant fluide par une source de chaleur extérieure et renvoi du courant partiel à travers l'échangeur de chaleur (16) avec, à nouveau, mesure de la température d'admission t?C? et de la température de sortie (t¿D?); et calcul de la concentration de gaz selon l'équation X¿glace? = (t¿C? - t¿D? - t¿B? + t¿A?) x (cp¿fluide? / h¿glace?), où cp¿fluide? est la capacité calorifique et h¿glace? est l'enthalpie de fusion de la glace binaire.

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