{"id":49314,"date":"2019-11-17T16:51:07","date_gmt":"2019-11-17T15:51:07","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/qual-e-o-principio-de-carnot-regra-de-carnot-definicao\/"},"modified":"2019-11-17T16:51:07","modified_gmt":"2019-11-17T15:51:07","slug":"qual-e-o-principio-de-carnot-regra-de-carnot-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/qual-e-o-principio-de-carnot-regra-de-carnot-definicao\/","title":{"rendered":"Qual \u00e9 o princ\u00edpio de Carnot &#8211; regra de Carnot &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\"><span>O princ\u00edpio de Carnot ou a regra de Carnot especifica limites para a efici\u00eancia m\u00e1xima que qualquer motor t\u00e9rmico pode obter.\u00a0Nenhum mecanismo pode ser mais eficiente que um mecanismo t\u00e9rmico Carnot.\u00a0Engenharia T\u00e9rmica<\/span><\/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><span>Princ\u00edpio de Carnot &#8211; regra de Carnot<\/span><\/h2>\n<p><span>Em 1824, o engenheiro e f\u00edsico franc\u00eas\u00a0<\/span><strong><span>Nicolas L\u00e9onard Sadi Carnot<\/span><\/strong><span>\u00a0avan\u00e7ou o estudo da segunda lei, formando um princ\u00edpio (tamb\u00e9m chamado\u00a0<\/span><strong><span>regra de Carnot<\/span><\/strong><span>\u00a0) que especifica limites para a\u00a0<\/span><strong><span>m\u00e1xima efici\u00eancia que qualquer motor t\u00e9rmico<\/span><\/strong><span>\u00a0pode obter.\u00a0Em resumo,\u00a0<\/span><strong><span>o princ\u00edpio de Carnot<\/span><\/strong><span>\u00a0\u00a0afirma que a\u00a0<\/span><strong><span>efici\u00eancia de um ciclo termodin\u00e2mico<\/span><\/strong><span>\u00a0depende unicamente da diferen\u00e7a entre os reservat\u00f3rios de temperatura quente e fria.<\/span><\/p>\n<p><strong><span>O princ\u00edpio de Carnot afirma:<\/span><\/strong><\/p>\n<ol>\n<li><span>Nenhum motor pode ser mais eficiente que um motor revers\u00edvel (\u00a0<\/span><strong><span>um motor t\u00e9rmico Carnot<\/span><\/strong><span>\u00a0) operando entre os mesmos reservat\u00f3rios de alta temperatura e baixa temperatura.<\/span><\/li>\n<li><span>As efici\u00eancias de todos os motores revers\u00edveis (motores de\u00a0<\/span><strong><span>calor Carnot<\/span><\/strong><span>\u00a0) que operam entre os mesmos reservat\u00f3rios de temperatura constante s\u00e3o as mesmas, independentemente da subst\u00e2ncia de trabalho empregada ou dos detalhes da opera\u00e7\u00e3o.<\/span><\/li>\n<\/ol>\n<h2><strong><b><span>Efici\u00eancia de Carnot<\/span><\/b><\/strong><\/h2>\n<p><span>A f\u00f3rmula para essa efici\u00eancia m\u00e1xima \u00e9:<\/span><\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/carnot-efficiency-equation.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-16897 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/carnot-efficiency-equation.png\" alt=\"F\u00f3rmula de Carnot Efici\u00eancia\" width=\"369\" height=\"91\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/carnot-efficiency-equation.png\" \/><\/a><\/p>\n<p><span>Onde:<\/span><\/p>\n<ul>\n<li><span>\u00e9 a efici\u00eancia do ciclo de Carnot, ie \u00e9 a propor\u00e7\u00e3o\u00a0<\/span><strong><span>= W \/ Q\u00a0<\/span><\/strong><strong><sub><span>H<\/span><\/sub><\/strong><span>\u00a0do trabalho realizado pelo motor com a energia de calor que entra no sistema a partir do reservat\u00f3rio quente.<\/span><\/li>\n<li><strong><span>T\u00a0<\/span><sub><span>C<\/span><\/sub><\/strong><span>\u00a0\u00e9 a temperatura absoluta (Kelvins) do reservat\u00f3rio frio,<\/span><\/li>\n<li><span>T\u00a0<\/span><sub><span>H<\/span><\/sub><span>\u00a0\u00e9 a temperatura absoluta (Kelvin) do reservat\u00f3rio quente.<\/span><\/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\"><\/div>\n<div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\">\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>Este artigo \u00e9 baseado na tradu\u00e7\u00e3o autom\u00e1tica do artigo original em ingl\u00eas. Para mais informa\u00e7\u00f5es, consulte o artigo em ingl\u00eas. Voc\u00ea pode nos ajudar. Se voc\u00ea deseja corrigir a tradu\u00e7\u00e3o, envie-a para: translations@nuclear-power.com ou preencha o formul\u00e1rio de tradu\u00e7\u00e3o on-line. Agradecemos sua ajuda, atualizaremos a tradu\u00e7\u00e3o o mais r\u00e1pido poss\u00edvel. Obrigado.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>O princ\u00edpio de Carnot ou a regra de Carnot especifica limites para a efici\u00eancia m\u00e1xima que qualquer motor t\u00e9rmico pode obter.\u00a0Nenhum mecanismo pode ser mais eficiente que um mecanismo t\u00e9rmico Carnot.\u00a0Engenharia T\u00e9rmica Princ\u00edpio de Carnot &#8211; regra de Carnot Em 1824, o engenheiro e f\u00edsico franc\u00eas\u00a0Nicolas L\u00e9onard Sadi Carnot\u00a0avan\u00e7ou o estudo da segunda lei, formando &#8230; <a title=\"Qual \u00e9 o princ\u00edpio de Carnot &#8211; regra de Carnot &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/qual-e-o-principio-de-carnot-regra-de-carnot-definicao\/\" aria-label=\"More on Qual \u00e9 o princ\u00edpio de Carnot &#8211; regra de Carnot &#8211; Defini\u00e7\u00e3o\">Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[14],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Qual \u00e9 o princ\u00edpio de Carnot - regra de Carnot - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"O princ\u00edpio de Carnot ou a regra de Carnot especifica limites para a efici\u00eancia m\u00e1xima que qualquer motor t\u00e9rmico pode obter. 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