{"id":41010,"date":"2024-07-25T18:46:59","date_gmt":"2024-07-25T16:46:59","guid":{"rendered":"https:\/\/www.linseis.com\/proprietes\/conductivite-thermique\/"},"modified":"2024-12-13T07:44:22","modified_gmt":"2024-12-13T06:44:22","slug":"conductivite-thermique","status":"publish","type":"page","link":"https:\/\/www.linseis.com\/fr\/proprietes\/conductivite-thermique\/","title":{"rendered":"Conductivit\u00e9 thermique"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"41010\" class=\"elementor elementor-41010 elementor-21384\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a3549cf e-flex e-con-boxed e-con e-parent\" data-id=\"a3549cf\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ac41c94 elementor-widget elementor-widget-image\" data-id=\"ac41c94\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/\/linseis_scale-top-1.svg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a7b7feb e-con-full e-flex e-con e-child\" data-id=\"a7b7feb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6100945 e-con-full e-flex e-con e-child\" data-id=\"6100945\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cc1182c elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"cc1182c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:250}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\"><b>Conductivit\u00e9 thermique<\/b><\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6d91a43 e-con-full e-flex e-con e-child\" data-id=\"6d91a43\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9413374 elementor-widget elementor-widget-n-carousel\" data-id=\"9413374\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;carousel_items&quot;:[{&quot;slide_title&quot;:&quot;Produkt 1&quot;,&quot;_id&quot;:&quot;d6fbcdb&quot;}],&quot;slides_to_show&quot;:&quot;1&quot;,&quot;slides_to_scroll&quot;:&quot;2&quot;,&quot;autoplay_speed&quot;:2000,&quot;slides_to_show_tablet&quot;:&quot;1&quot;,&quot;slides_to_show_mobile&quot;:&quot;1&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;infinite&quot;:&quot;yes&quot;,&quot;speed&quot;:500,&quot;offset_sides&quot;:&quot;none&quot;,&quot;image_spacing_custom&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;image_spacing_custom_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;image_spacing_custom_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-carousel.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-carousel swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Carousel\" dir=\"ltr\">\n\t\t\t<div class=\"swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"1\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 sur 1\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-44441f5 e-flex e-con-boxed e-con e-child\" data-id=\"44441f5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4103051 elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-image\" data-id=\"4103051\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Waermeleitfaehigkeit-1024x1024.png\" class=\"attachment-large size-large wp-image-21973\" alt=\"\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Waermeleitfaehigkeit-1024x1024.png 1024w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Waermeleitfaehigkeit-300x300.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Waermeleitfaehigkeit-150x150.png 150w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Waermeleitfaehigkeit-768x768.png 768w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Waermeleitfaehigkeit-1536x1536.png 1536w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Linseis-Icons_Linien-weiss_Waermeleitfaehigkeit-2048x2048.png 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4a6800 elementor-widget elementor-widget-image\" data-id=\"b4a6800\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/\/linseis_scale-bottom-1.svg\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7c8d6cc e-flex e-con-boxed e-con e-parent\" data-id=\"7c8d6cc\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d7b7522 e-flex e-con-boxed e-con e-parent\" data-id=\"d7b7522\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-449b6fd e-con-full e-flex e-con e-child\" data-id=\"449b6fd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-031217d elementor-invisible elementor-widget elementor-widget-wp-widget-bcn_widget\" data-id=\"031217d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"wp-widget-bcn_widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"breadcrumbs\" vocab=\"https:\/\/schema.org\/\" typeof=\"BreadcrumbList\"><span property=\"itemListElement\" typeof=\"ListItem\"><a property=\"item\" typeof=\"WebPage\" title=\"Aller \u00e0 Linseis.\" href=\"https:\/\/www.linseis.com\/fr\/\" class=\"home\" aria-current=\"page\"><span property=\"name\">Linseis<\/span><\/a><meta property=\"position\" content=\"1\"><\/span><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ed98f58 e-flex e-con-boxed e-con e-parent\" data-id=\"ed98f58\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-bbc47b3 e-con-full e-flex e-con e-child\" data-id=\"bbc47b3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-71a1ec4 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"71a1ec4\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:500}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Conductivit\u00e9 thermique \u03bb avec l&rsquo;unit\u00e9 [W\/m*K]<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32d9053 elementor-widget elementor-widget-text-editor\" data-id=\"32d9053\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La conductivit\u00e9 thermique, \u00e9galement conductivit\u00e9 thermique d&rsquo;un solide ou d&rsquo;un liquide, est sa capacit\u00e9 \u00e0 transporter l&rsquo;\u00e9nergie thermique sous forme de chaleur.<\/p><p><img decoding=\"async\" class=\"alignnone wp-image-55678 size-medium\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/09\/Formel-Waerme-und-Temperaturleitfaehigkeit-300x56.png\" alt=\"\" width=\"300\" height=\"56\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/09\/Formel-Waerme-und-Temperaturleitfaehigkeit-300x56.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/09\/Formel-Waerme-und-Temperaturleitfaehigkeit.png 463w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p><p>\u03bb = conductivit\u00e9 thermique [W\/m*K]<br \/>\u03b1 = conductivit\u00e9 thermique [mm\u00b2\/s]<br \/>C<sub>p<\/sub> = capacit\u00e9 thermique sp\u00e9cifique [J\/g*K]<br \/><span id=\"\u00ab\" class=\"\u00ab\"><span id=\"\u00ab\" class=\"\u00ab\">\u03c1 = densit\u00e9 [g\/cm\u00b3]<\/span><\/span><\/p><p>La conductivit\u00e9 thermique (sp\u00e9cifique) est exprim\u00e9e en <strong>watts par kelvin et par m\u00e8tre<\/strong> et constitue une constante mat\u00e9rielle d\u00e9pendant de la temp\u00e9rature.<\/p><p><span title=\"La capacit\u00e9 d'absorption de l'eau est donc li\u00e9e \u00e0 la capacit\u00e9 d'absorption de la temp\u00e9rature, ce qui signifie qu'une variation de la temp\u00e9rature due \u00e0 l'accumulation d'eau est li\u00e9e \u00e0 la capacit\u00e9 d'absorption du vent.\">La conductivit\u00e9 thermique doit \u00eatre <strong>distingu\u00e9e de la diffusivit\u00e9 thermique<\/strong>, qui indique la vitesse \u00e0 laquelle un changement de temp\u00e9rature se propage dans une substance. <\/span><span title=\"Les connaissances sur les caract\u00e9ristiques thermiques des temp\u00e9ratures et des caract\u00e9ristiques d'\u00e9coulement ont une importance de plus en plus grande \u00e0 l'heure actuelle. \">La connaissance des propri\u00e9t\u00e9s thermiques des solides et des liquides est de plus en plus importante aujourd&rsquo;hui.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3473d73 e-flex e-con-boxed elementor-invisible e-con e-parent\" data-id=\"3473d73\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInUp&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-11f930b elementor-widget elementor-widget-image\" data-id=\"11f930b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"382\" src=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Gebaeude-Energie.png\" class=\"attachment-large size-large wp-image-21409\" alt=\"Geb\u00e4ude Energie\" srcset=\"https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Gebaeude-Energie.png 960w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Gebaeude-Energie-300x143.png 300w, https:\/\/www.linseis.com\/wp-content\/uploads\/2024\/07\/Gebaeude-Energie-768x366.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8801439 e-flex e-con-boxed e-con e-parent\" data-id=\"8801439\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-4fda86f e-con-full e-flex e-con e-child\" data-id=\"4fda86f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-34d74a1 elementor-widget elementor-widget-text-editor\" data-id=\"34d74a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Dans de nombreuses applications, telles que <a href=\"https:\/\/www.linseis.com\/fr\/votre-industrie\/automobile-aviation-aerospatiale\/\" data-auto-event-observed=\"true\"><strong>l&rsquo;automobile<\/strong><\/a>, l&rsquo;a\u00e9rospatiale, <a href=\"https:\/\/www.linseis.com\/fr\/votre-industrie\/generation-de-puissance-energie\/\" data-auto-event-observed=\"true\"><strong>l&rsquo;\u00e9nergie<\/strong><\/a>, la <strong><a href=\"https:\/\/www.linseis.com\/fr\/votre-industrie\/chimique\/\" data-auto-event-observed=\"true\">c\u00e9ramique<\/a>, le verre<\/strong> et les <a href=\"https:\/\/www.linseis.com\/fr\/votre-industrie\/materiaux-de-construction\/\" data-auto-event-observed=\"true\"><strong>mat\u00e9riaux de construction<\/strong><\/a>Les informations tr\u00e8s pr\u00e9cises sur le comportement thermique des mat\u00e9riaux utilis\u00e9s sont de la plus haute importance.<\/p><p>La gestion thermique des b\u00e2timents, par exemple, devient un sujet de plus en plus important en raison de la mont\u00e9e en fl\u00e8che des co\u00fbts de l&rsquo;\u00e9nergie. Les flux de chaleur jouent \u00e9galement un r\u00f4le majeur dans l&rsquo;<strong>industrie des semi-conducteurs<\/strong>, par exemple lorsqu&rsquo;on pense aux syst\u00e8mes int\u00e9gr\u00e9s modernes tels que les processeurs informatiques.<\/p><p>Il existe deux m\u00e9thodes pour mesurer la conductivit\u00e9 thermique. Dans notre <strong>article de blog sur la <a href=\"https:\/\/www.linseis.com\/fr\/proprietes\/conductivite-thermique\/\" data-auto-event-observed=\"true\">conductivit\u00e9 thermique<\/a>,<\/strong> nous expliquons le contexte scientifique et les appareils de mesure utilis\u00e9s pour couvrir ces m\u00e9thodes.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Conductivit\u00e9 thermique Conductivit\u00e9 thermique \u03bb avec l&rsquo;unit\u00e9 [W\/m*K] La conductivit\u00e9 thermique, \u00e9galement conductivit\u00e9 thermique d&rsquo;un solide ou d&rsquo;un liquide, est sa capacit\u00e9 \u00e0 transporter l&rsquo;\u00e9nergie thermique sous forme de chaleur. \u03bb = conductivit\u00e9 thermique [W\/m*K]\u03b1 = conductivit\u00e9 thermique [mm\u00b2\/s]Cp = capacit\u00e9 thermique sp\u00e9cifique [J\/g*K]\u03c1 = densit\u00e9 [g\/cm\u00b3] La conductivit\u00e9 thermique (sp\u00e9cifique) est exprim\u00e9e en watts [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":40990,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-41010","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/pages\/41010","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/comments?post=41010"}],"version-history":[{"count":0,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/pages\/41010\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/pages\/40990"}],"wp:attachment":[{"href":"https:\/\/www.linseis.com\/fr\/wp-json\/wp\/v2\/media?parent=41010"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}