{"id":46060,"date":"2019-10-20T19:06:44","date_gmt":"2019-10-20T18:06:44","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/quest-ce-que-fahrenheit-scale-fahrenheit-temperature-definition\/"},"modified":"2021-05-27T18:48:32","modified_gmt":"2021-05-27T17:48:32","slug":"quest-ce-que-fahrenheit-scale-fahrenheit-temperature-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-fahrenheit-scale-fahrenheit-temperature-definition\/","title":{"rendered":"Qu&#8217;est-ce que Degr\u00e9 Fahrenheit &#8211; Definition"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">l&#8217;\u00e9chelle Fahrenheit compte 180 unit\u00e9s.\u00a0L&#8217;\u00e9chelle de temp\u00e9rature en degr\u00e9s Fahrenheit est bas\u00e9e sur deux points: la temp\u00e9rature d&#8217;une solution de saumure \u00e0 0 \u00b0 F et la temp\u00e9rature moyenne du corps humain \u00e0 100 \u00b0 F.\u00a0G\u00e9nie thermique<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>\u00c9chelles de temp\u00e9rature<\/h2>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/comparison-temperature-scales-min.png\"><img loading=\"lazy\" class=\"wp-image-16243 alignright lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/comparison-temperature-scales-min.png\" alt=\"Conversion de temp\u00e9rature - Fahrenheit - Celsius\" width=\"400\" height=\"318\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/comparison-temperature-scales-min.png\" \/><\/a>Lors de l&#8217;utilisation d&#8217;un thermom\u00e8tre, nous devons marquer une \u00e9chelle sur la paroi du tube avec des chiffres.\u00a0Nous devons d\u00e9finir une\u00a0<strong>\u00e9chelle de temp\u00e9rature<\/strong>\u00a0.\u00a0Une\u00a0<strong><em>\u00e9chelle de temp\u00e9rature<\/em><\/strong>\u00a0est un moyen de mesurer la temp\u00e9rature par rapport \u00e0 un\u00a0<strong>point de d\u00e9part<\/strong>\u00a0(0 ou z\u00e9ro) et \u00e0 une\u00a0<strong>unit\u00e9 de mesure<\/strong>\u00a0.<\/p>\n<p>Ces chiffres sont arbitraires et, historiquement, de nombreux syst\u00e8mes diff\u00e9rents ont \u00e9t\u00e9 utilis\u00e9s.\u00a0Par exemple, cela a \u00e9t\u00e9 r\u00e9alis\u00e9 en d\u00e9finissant certaines occurrences physiques \u00e0 des temp\u00e9ratures donn\u00e9es, telles que les\u00a0<strong><a title=\"Saturation \u2013 Boiling Point\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-saturation-point-debullition-definition\/\">points de<\/a><\/strong><strong>\u00a0cong\u00e9lation<\/strong>\u00a0et d\u2019\u00a0<strong><a title=\"Saturation - Point d'\u00e9bullition\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-saturation-point-debullition-definition\/\">\u00e9bullition de l\u2019eau<\/a>\u00a0<\/strong>\u00a0, et en les d\u00e9finissant respectivement \u00e0 0 et 100.<\/p>\n<p>Il existe plusieurs \u00e9chelles et unit\u00e9s pour mesurer la temp\u00e9rature.\u00a0Les plus courants sont:<\/p>\n<ul>\n<li><a title=\"\u00c9chelle Celsius - Temp\u00e9rature Celsius\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/thermodynamic-properties\/what-is-temperature-physics\/celsius-scale-celsius-temperature\/\">Celsius (not\u00e9 \u00b0 C),<\/a><\/li>\n<li><a title=\"\u00c9chelle Fahrenheit - Temp\u00e9rature Fahrenheit\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/thermodynamic-properties\/what-is-temperature-physics\/fahrenheit-scale-fahrenheit-temperature\/\">Fahrenheit (not\u00e9 \u00b0 F),<\/a><\/li>\n<li><a title=\"\u00c9chelle Kelvin - Temp\u00e9rature absolue\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/thermodynamic-properties\/what-is-temperature-physics\/kelvin-scale-absolute-temperature\/\">Kelvin (not\u00e9 K; surtout en science).<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2><span>\u00c9chelle Fahrenheit &#8211; Temp\u00e9rature Fahrenheit<\/span><\/h2>\n<figure id=\"attachment_16242\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-16242\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Fahrenheit-temperature-scale-min.png\"><img loading=\"lazy\" class=\"size-full wp-image-16242 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Fahrenheit-temperature-scale-min.png\" alt=\"\u00c9chelle de temp\u00e9rature Fahrenheit\" width=\"255\" height=\"526\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Fahrenheit-temperature-scale-min.png\" \/><\/a><figcaption id=\"caption-attachment-16242\" class=\"wp-caption-text\"><span>L&#8217;\u00e9chelle de temp\u00e9rature Fahrenheit est bas\u00e9e sur deux points: la temp\u00e9rature d&#8217;une solution de saumure \u00e0 0 \u00b0 F et la temp\u00e9rature moyenne du corps humain \u00e0 100 \u00b0 F.<\/span><\/figcaption><\/figure>\n<p><span>L&#8217;\u00a0<\/span><strong><span>\u00e9chelle Celsius<\/span><\/strong><span>\u00a0et l&#8217;\u00a0<\/span><strong><span>\u00e9chelle Fahrenheit<\/span><\/strong><span>\u00a0sont bas\u00e9es sur une sp\u00e9cification du nombre d&#8217;incr\u00e9ments entre le\u00a0<\/span><strong><span>point de cong\u00e9lation<\/span><\/strong><span>\u00a0et\u00a0<\/span><a title=\"Saturation - point d'\u00e9bullition\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-la-saturation-point-debullition-definition\/\"><strong><span>le point d&#8217;\u00e9bullition de l&#8217;eau<\/span><\/strong>\u00a0<\/a><span>\u00e0 la pression atmosph\u00e9rique standard.\u00a0L&#8217;\u00e9chelle Celsius a 100 unit\u00e9s entre ces points, et l&#8217;\u00a0<\/span><strong><span>\u00e9chelle Fahrenheit a 180 unit\u00e9s<\/span><\/strong><span>\u00a0, o\u00f9 chaque unit\u00e9 repr\u00e9sente respectivement 1 \u00b0 C ou 1 \u00b0 F.\u00a0Les points z\u00e9ro sur les \u00e9chelles sont arbitraires.<\/span><\/p>\n<p><span>L&#8217;\u00e9chelle Fahrenheit est bas\u00e9e sur deux points:<\/span><\/p>\n<ul>\n<li><span>Le point de d\u00e9finition inf\u00e9rieur,\u00a0<\/span><strong><span>0 \u00b0 F<\/span><\/strong><span>\u00a0, a \u00e9t\u00e9 \u00e9tabli comme\u00a0<\/span><strong><span>la temp\u00e9rature d&#8217;une solution de saumure<\/span><\/strong><span>\u00a0faite de parties \u00e9gales de glace et de sel.<\/span><\/li>\n<li><span>Le point de d\u00e9finition sup\u00e9rieur,\u00a0<\/span><strong><span>96 \u00b0 F<\/span><\/strong><span>\u00a0, a \u00e9t\u00e9 \u00e9tabli comme\u00a0<\/span><strong><span>la temp\u00e9rature moyenne du corps humain<\/span><\/strong><span>\u00a0(96 \u00b0 F, environ 2,6 \u00b0 F de moins que la valeur moderne en raison d&#8217;une red\u00e9finition ult\u00e9rieure de l&#8217;\u00e9chelle)<\/span><\/li>\n<\/ul>\n<p><span>La diff\u00e9rence de hauteur entre les deux points serait alors marqu\u00e9e en\u00a0<\/span><strong><span>180 divisions,<\/span><\/strong><span>\u00a0chaque division repr\u00e9sentant 1 \u00b0 F.\u00a0L&#8217;\u00e9chelle est aujourd&#8217;hui g\u00e9n\u00e9ralement d\u00e9finie par deux points fixes: la temp\u00e9rature \u00e0 laquelle l&#8217;eau g\u00e8le dans la glace est d\u00e9finie comme 32 \u00b0 F, et le point d&#8217;\u00e9bullition de l&#8217;eau est d\u00e9fini comme \u00e9tant 212 \u00b0 F.<\/span><\/p>\n<p><strong><span>Conversion de temp\u00e9rature &#8211; Fahrenheit &#8211; Celsius<\/span><\/strong><\/p>\n<p><span>Pour convertir d&#8217;une\u00a0<\/span><strong><span>temp\u00e9rature Fahrenheit<\/span><\/strong><span>\u00a0\u00e0 une\u00a0<\/span><strong><span>temp\u00e9rature Celsius,<\/span><\/strong><span>\u00a0nous devons soustraire\u00a0<\/span><strong><span>32 degr\u00e9s<\/span><\/strong><span>\u00a0de la lecture Fahrenheit pour atteindre le point z\u00e9ro sur l&#8217;\u00e9chelle Celsius, puis ajuster pour les diff\u00e9rents degr\u00e9s de taille.\u00a0Le rapport de la taille des degr\u00e9s est de\u00a0<\/span><strong><span>5\/9 de<\/span><\/strong><span>\u00a0sorte que la relation entre les \u00e9chelles est repr\u00e9sent\u00e9e par les \u00e9quations suivantes:<\/span><\/p>\n<p><strong><span>\u00b0 F = 32,0 + (9\/5) \u00b0 C<\/span><\/strong><\/p>\n<p><strong><span>\u00b0 C = (\u00b0 F &#8211; 32,0) (5\/9)<\/span><\/strong><\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Cet article est bas\u00e9 sur la traduction automatique de l&#8217;article original en anglais. Pour plus d&#8217;informations, voir l&#8217;article en anglais. Pouvez vous nous aider Si vous souhaitez corriger la traduction, envoyez-la \u00e0 l&#8217;adresse: translations@nuclear-power.com ou remplissez le formulaire de traduction en ligne. Nous appr\u00e9cions votre aide, nous mettrons \u00e0 jour la traduction le plus rapidement possible. Merci<\/p>\n","protected":false},"excerpt":{"rendered":"<p>l&#8217;\u00e9chelle Fahrenheit compte 180 unit\u00e9s.\u00a0L&#8217;\u00e9chelle de temp\u00e9rature en degr\u00e9s Fahrenheit est bas\u00e9e sur deux points: la temp\u00e9rature d&#8217;une solution de saumure \u00e0 0 \u00b0 F et la temp\u00e9rature moyenne du corps humain \u00e0 100 \u00b0 F.\u00a0G\u00e9nie thermique \u00c9chelles de temp\u00e9rature Lors de l&#8217;utilisation d&#8217;un thermom\u00e8tre, nous devons marquer une \u00e9chelle sur la paroi du tube &#8230; <a title=\"Qu&#8217;est-ce que Degr\u00e9 Fahrenheit &#8211; Definition\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-fahrenheit-scale-fahrenheit-temperature-definition\/\" aria-label=\"En savoir plus sur Qu&#8217;est-ce que Degr\u00e9 Fahrenheit &#8211; Definition\">Lire la suite<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[8],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Qu&#039;est-ce que Degr\u00e9 Fahrenheit - Definition<\/title>\n<meta name=\"description\" content=\"l&#039;\u00e9chelle Fahrenheit compte 180 unit\u00e9s. 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