<transcript><audio_0> bienvenue dans cette vidéo sur la thermodynamique dans laquelle je vais présenter la conduction thermique. Les phénomènes de conduction thermique ont été étudiés en 1822 par le physicien français Joseph</transcript><caption><image_1>The image is a screenshot of a webpage with a white background. On the top left corner, there is a blue header with the text "Histoire des sciences" in French. Below the header, there are two buttons - "Menu" and "Menu". On the right side of the image, there appears to be a photo of a person with short dark hair and a red shirt. The person is looking directly at the camera with a serious expression on their face. At the bottom right corner of the page, there has a logo for "Pay Desca Chien" which is a French language learning platform.</caption><transcript><audio_2> qui se nomme loi de Fourier. Voyons en quoi consiste cette loi. On va considérer un matériau de surface S et d'épaisseur E. Ce matériau est caractérisé par sa conductivité dynamique</transcript><transcript><audio_3> Cette paroi ici va permettre de délimiter deux espaces, un espace de température T1 et un autre de température T2 qu'on va considérer inférieur à T1. Et il va donc y avoir...</transcript> hello everyone and welcome to this video on thermodynamics in which I will present thermal conduction the phenomena of thermal conduction were studied in 1822 by the French physicist Joseph Fourrier who therefore established a law called the law of  Fourier let's see what this law consists of so we will therefore consider a material here with surface S and thickness e and therefore this material is characterized by its thermal conductivity which we note lambda this wall here will make it possible to delimit two spaces one  space of temperature T1 and another of temperature T2 which we will consider lower than T1 and there will therefore be
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