{"id":49033,"date":"2019-11-14T05:43:59","date_gmt":"2019-11-14T04:43:59","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/o-que-e-fator-de-atrito-para-fluxo-transitorio-definicao\/"},"modified":"2019-11-14T05:43:59","modified_gmt":"2019-11-14T04:43:59","slug":"o-que-e-fator-de-atrito-para-fluxo-transitorio-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-fator-de-atrito-para-fluxo-transitorio-definicao\/","title":{"rendered":"O que \u00e9 fator de atrito para fluxo transit\u00f3rio &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\"><span>O fator de atrito de Darcy cont\u00e9m grandes incertezas nesse regime de fluxo e n\u00e3o \u00e9 bem conhecido.\u00a0Fator de atrito para fluxo transit\u00f3rio<\/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>Regimes de fluxo<\/span><\/h2>\n<p><strong><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Flow-Regime.png\"><img loading=\"lazy\" class=\"alignright size-medium wp-image-14393 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Flow-Regime-300x175.png\" alt=\"Regime de fluxo\" width=\"300\" height=\"175\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Flow-Regime-300x175.png\" \/><\/a><span>Fluxo laminar.\u00a0<\/span><\/strong><span>Para fins pr\u00e1ticos, se o n\u00famero de Reynolds for\u00a0<\/span><strong><span>menor que 2000<\/span><\/strong><span>\u00a0, o fluxo ser\u00e1 laminar.\u00a0O n\u00famero de Reynolds de transi\u00e7\u00e3o aceito para o fluxo em um tubo circular \u00e9\u00a0<\/span><strong><span>Re\u00a0<\/span><sub><span>d, crit<\/span><\/sub><span>\u00a0= 2300.<\/span><\/strong><\/p>\n<p><strong><span>Fluxo de transi\u00e7\u00e3o.\u00a0<\/span><\/strong><span>Nos n\u00fameros de Reynolds\u00a0<\/span><strong><span>entre 2000 e 4000,<\/span><\/strong><span>\u00a0o fluxo \u00e9 inst\u00e1vel como resultado do in\u00edcio da turbul\u00eancia.\u00a0Esses fluxos \u00e0s vezes s\u00e3o chamados de fluxos de transi\u00e7\u00e3o.<\/span><\/p>\n<p><strong><span>Fluxo turbulento.\u00a0<\/span><\/strong><span>Se o n\u00famero de Reynolds for\u00a0<\/span><strong><span>maior que 3500<\/span><\/strong><span>\u00a0, o fluxo ser\u00e1 turbulento.\u00a0A maioria dos sistemas de fluidos em instala\u00e7\u00f5es nucleares opera com fluxo turbulento.<\/span><\/p>\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>Fator de atrito de Darcy para fluxo transit\u00f3rio<\/span><\/h2>\n<p><strong><span>Nos n\u00fameros de Reynolds<\/span><\/strong><span>\u00a0entre\u00a0<\/span><strong><span>2000 e 4000,<\/span><\/strong><span>\u00a0o fluxo \u00e9 inst\u00e1vel como resultado do in\u00edcio da turbul\u00eancia.\u00a0Esses fluxos \u00e0s vezes s\u00e3o chamados de fluxos de transi\u00e7\u00e3o.\u00a0<\/span><strong><span>O fator de atrito de Darcy cont\u00e9m grandes incertezas<\/span><\/strong><span>\u00a0nesse regime de fluxo e n\u00e3o \u00e9 bem conhecido.<\/span><\/p>\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-divider su-divider-style-dotted\"><\/div>\n<figure id=\"attachment_14429\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-14429\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Moody-chart-min.jpg\"><img loading=\"lazy\" class=\"size-full wp-image-14429 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Moody-chart-min.jpg\" alt=\"Moody Diagram\" width=\"1409\" height=\"884\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Moody-chart-min.jpg\" \/><\/a><figcaption id=\"caption-attachment-14429\" class=\"wp-caption-text\"><span>Fonte: Donebythesecondlaw no idioma ingl\u00eas Wikipedia, CC BY-SA 3.0,<\/span><br \/>\n<span>https:\/\/commons.wikimedia.org\/w\/index.php?curid=4681366<\/span><\/figcaption><\/figure>\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 fator de atrito de Darcy cont\u00e9m grandes incertezas nesse regime de fluxo e n\u00e3o \u00e9 bem conhecido.\u00a0Fator de atrito para fluxo transit\u00f3rio Regimes de fluxo Fluxo laminar.\u00a0Para fins pr\u00e1ticos, se o n\u00famero de Reynolds for\u00a0menor que 2000\u00a0, o fluxo ser\u00e1 laminar.\u00a0O n\u00famero de Reynolds de transi\u00e7\u00e3o aceito para o fluxo em um tubo circular &#8230; <a title=\"O que \u00e9 fator de atrito para fluxo transit\u00f3rio &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-fator-de-atrito-para-fluxo-transitorio-definicao\/\" aria-label=\"More on O que \u00e9 fator de atrito para fluxo transit\u00f3rio &#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>O que \u00e9 fator de atrito para fluxo transit\u00f3rio - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"O fator de atrito de Darcy cont\u00e9m grandes incertezas nesse regime de fluxo e n\u00e3o \u00e9 bem conhecido. 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