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Soit un tube d'acier 20/27 dont la temprature de la paroi interne est 1 = 119,75C et celle de la paroi externe 2 = 119,64C.

Soit un tube d'acier 20/27 dont la temprature de la paroi interne est 1 = 119,75C et celle de la paroi externe 2 = 119,64C. Conductivit thermique de l'acier : l = 46 W.m-1.C-1 Calculer : a) la rsistance thermique du tube pour une longueur de 1 m. b) le flux correspondant

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