{"id":45143,"date":"2019-10-17T15:20:56","date_gmt":"2019-10-17T14:20:56","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/quelle-est-la-relation-de-mayer-la-formule-de-mayer-definition\/"},"modified":"2020-02-20T20:53:29","modified_gmt":"2020-02-20T19:53:29","slug":"quelle-est-la-relation-de-mayer-la-formule-de-mayer-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/quelle-est-la-relation-de-mayer-la-formule-de-mayer-definition\/","title":{"rendered":"Quelle est la relation de Mayer – La formule de Mayer – D\u00e9finition"},"content":{"rendered":"
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Selon la relation de Mayer ou la formule de Mayer, la diff\u00e9rence entre ces deux capacit\u00e9s calorifiques est \u00e9gale \u00e0 la constante gaz universelle.\u00a0Cp = Cv + R<\/div>\n<\/div>\n
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La relation de Mayer – La formule de Mayer<\/h2>\n

Julius Robert Mayer, chimiste et physicien allemand, a \u00e9tabli une relation entre la\u00a0chaleur sp\u00e9cifique \u00e0<\/strong>\u00a0pression\u00a0constante<\/strong>\u00a0et la\u00a0chaleur sp\u00e9cifique \u00e0 volume constant<\/strong>\u00a0pour un gaz parfait.\u00a0Il a \u00e9tudi\u00e9 le fait que la capacit\u00e9 thermique sp\u00e9cifique d\u2019un gaz \u00e0 pression constante (C\u00a0p<\/sub>\u00a0) est l\u00e9g\u00e8rement sup\u00e9rieure \u00e0 celle d\u2019un volume constant (C\u00a0v<\/sub>\u00a0).\u00a0Il a estim\u00e9 que cette\u00a0C\u00a0<\/em><\/strong>p<\/sub><\/em><\/strong>\u00a0est sup\u00e9rieure \u00e0 la chaleur sp\u00e9cifique molaire \u00e0 volume constant\u00a0C\u00a0<\/em><\/strong>v<\/sub><\/em><\/strong>\u00a0, car il faut maintenant fournir de l’\u00e9nergie\u00a0non seulement<\/strong>\u00a0pour\u00a0\u00e9lever la temp\u00e9rature<\/strong>\u00a0du gaz, mais aussi pour que le\u00a0gaz fonctionne,<\/strong>\u00a0car dans ce cas le volume varie.\u00a0Selon leDans la relation de Mayer<\/strong>\u00a0ou dans la\u00a0formule de Mayer,<\/strong>\u00a0la diff\u00e9rence entre ces deux capacit\u00e9s thermiques est \u00e9gale \u00e0 la constante gaz universelle. La chaleur molaire sp\u00e9cifique \u00e0 pression constante est \u00e9gale:<\/p>\n

C\u00a0p<\/sub>\u00a0= C\u00a0v<\/sub>\u00a0+ R<\/strong><\/p>\n<\/div>\n<\/div>\n

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Cet article est bas\u00e9 sur la traduction automatique de l’article original en anglais. Pour plus d’informations, voir l’article en anglais. Pouvez vous nous aider Si vous souhaitez corriger la traduction, envoyez-la \u00e0 l’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<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Selon la relation de Mayer ou la formule de Mayer, la diff\u00e9rence entre ces deux capacit\u00e9s calorifiques est \u00e9gale \u00e0 la constante gaz universelle.\u00a0Cp = Cv + R La relation de Mayer – La formule de Mayer Julius Robert Mayer, chimiste et physicien allemand, a \u00e9tabli une relation entre la\u00a0chaleur sp\u00e9cifique \u00e0\u00a0pression\u00a0constante\u00a0et la\u00a0chaleur sp\u00e9cifique \u00e0 … 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":"\nQuelle est la relation de Mayer - La formule de Mayer - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"Selon la relation de Mayer ou la formule de Mayer, la diff\u00e9rence entre ces deux capacit\u00e9s calorifiques est \u00e9gale \u00e0 la constante gaz universelle. 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