Method and device for transiently measuring surface...

G - Physics – 01 – K

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G01K 7/04 (2006.01) G01K 7/42 (2006.01) G01K 17/20 (2006.01)

Patent

CA 2182746

According to the invention, in the solid wall through which the thermal stream flows, a cut is made which opens into the interface between the wall and the other medium, said cut being parallel to said stream at a point of contact corresponding to the interface, a microthermocouple being arranged in a plane of said cut in the immediate vicinity of said interface. Said cut is closely covered by the material of the solid wall or a material with thermal characteristics similar to those of the peripheral material. Application to thermal measurements.

L'invention concerne un dispositif et un procédé de mesure en régime transitoire de flux et de températures à l'interface de deux milieux solide/solide ou solide/liquide ou solide/gaz au moyen d'au moins un thermocouple. Selon l'invention, on ménage dans la paroi solide traversée par le flux thermique une coupe débouchant à l'interface de la paroi avec l'autre milieu, la coupe étant parallèle audit flux au point de contact correspondant de l'interface, on dispose au moins un microthermocouple dans un plan de la coupe au voisinage immédiat de ladite interface et on recouvre étroitement ladite coupe par le matériau de ladite paroi solide ou un matériau ayant des caractéristiques thermiques similaires à celles du matériau pariétal. Application aux mesures thermiques.

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