Animation: analyse de Fourier

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La flamme d’un bec de gaz ne traverse pas la grille métallique placée au-dessus ; mais si on allume le gaz au-dessus de la grille, la flamme semble flotter au-dessus de celle-ci, sans contact avec le bec ! Ce phénomène est une conséquence de la bonne conductivité thermique des métaux.

III Transferts thermiques : étude de cas Introduction : regarder la vidéo transferts thermiques introduction