{"id":49181,"date":"2019-11-14T21:46:11","date_gmt":"2019-11-14T20:46:11","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/o-que-e-regime-de-fluxo-definicao\/"},"modified":"2020-02-02T09:44:05","modified_gmt":"2020-02-02T08:44:05","slug":"o-que-e-regime-de-fluxo-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-regime-de-fluxo-definicao\/","title":{"rendered":"O que \u00e9 regime de fluxo &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Do ponto de vista pr\u00e1tico da engenharia, o regime de fluxo pode ser categorizado de acordo com v\u00e1rios crit\u00e9rios.\u00a0Os regimes de fluxo s\u00e3o descritos aqui.\u00a0Regime de fluxo<\/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>Regime de fluxo<\/h2>\n<p>Do ponto de vista pr\u00e1tico da engenharia, o regime de fluxo pode ser categorizado de acordo com\u00a0<strong>v\u00e1rios crit\u00e9rios<\/strong>\u00a0.<\/p>\n<p><strong>Todo o fluxo de fluido<\/strong>\u00a0\u00e9 classificado em uma de duas grandes categorias ou regimes.\u00a0Esses dois regimes de fluxo s\u00e3o:<\/p>\n<ul>\n<li><strong>Fluxo de fluido monof\u00e1sico<\/strong><\/li>\n<li><strong>Fluxo de fluido multif\u00e1sico<\/strong>\u00a0(ou\u00a0<strong>fluxo de fluido bif\u00e1sico<\/strong>\u00a0)<\/li>\n<\/ul>\n<p>Esta \u00e9 uma\u00a0<strong>classifica\u00e7\u00e3o b\u00e1sica<\/strong>\u00a0.\u00a0Todas as equa\u00e7\u00f5es de fluxo de fluido (por exemplo,\u00a0<a title=\"Equa\u00e7\u00e3o de Bernoulli - Princ\u00edpio de Bernoulli\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-a-equacao-de-bernoulli-principio-de-bernoulli-definicao\/\"><strong>a Equa\u00e7\u00e3o de Bernoulli<\/strong><\/a>\u00a0) e as rela\u00e7\u00f5es discutidas nesta se\u00e7\u00e3o (\u00a0<a title=\"Din\u00e2mica de Fluidos\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/\">Fluid Dynamics<\/a>\u00a0) foram derivadas para o fluxo de uma\u00a0<strong>\u00fanica fase<\/strong>\u00a0do fluido, seja l\u00edquido ou vapor.\u00a0A solu\u00e7\u00e3o do fluxo de fluido multif\u00e1sico \u00e9\u00a0<strong>muito complexa e dif\u00edcil<\/strong>\u00a0e, portanto, geralmente ocorre em cursos avan\u00e7ados de din\u00e2mica de fluidos.<\/p>\n<p><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>Outra classifica\u00e7\u00e3o geralmente mais comum dos\u00a0<strong>regimes<\/strong>\u00a0de\u00a0<strong>fluxo<\/strong>\u00a0\u00e9 de acordo com a forma e o tipo de\u00a0<strong>linhas<\/strong>\u00a0de\u00a0<strong>fluxo<\/strong>\u00a0.\u00a0Todo o fluxo de fluido \u00e9 classificado em uma de duas grandes categorias.\u00a0O fluxo de fluido pode ser laminar ou turbulento e, portanto, essas duas categorias s\u00e3o:<\/p>\n<ul>\n<li><strong>Fluxo laminar<\/strong><\/li>\n<li><strong>Fluxo turbulento<\/strong><\/li>\n<\/ul>\n<p><strong>O fluxo laminar<\/strong>\u00a0\u00e9 caracterizado por\u00a0<strong>caminhos\u00a0<\/strong><strong>suaves<\/strong>\u00a0ou\u00a0<strong>regulares<\/strong>\u00a0de part\u00edculas do fluido.\u00a0Portanto, o fluxo laminar tamb\u00e9m \u00e9 conhecido como\u00a0<strong>fluxo aerodin\u00e2mico ou viscoso<\/strong>\u00a0.\u00a0Ao contr\u00e1rio do fluxo laminar, o fluxo\u00a0<strong>turbulento<\/strong>\u00a0\u00e9 caracterizado pelo\u00a0<strong>movimento irregular<\/strong>\u00a0das part\u00edculas do fluido.\u00a0O fluido turbulento n\u00e3o flui em camadas paralelas, a mistura lateral \u00e9 muito alta e h\u00e1 uma ruptura entre as camadas.\u00a0<strong>A maioria dos fluxos industriais<\/strong>\u00a0, especialmente os de engenharia nuclear,\u00a0<strong>s\u00e3o turbulentos<\/strong>\u00a0.<\/p>\n<p>O regime de fluxo tamb\u00e9m pode ser classificado de acordo com a\u00a0<strong>geometria de um condu\u00edte<\/strong>\u00a0ou \u00e1rea de fluxo.\u00a0Deste ponto de vista, distinguimos:<\/p>\n<ul>\n<li><strong>Fluxo Interno<\/strong><\/li>\n<li><strong>Fluxo externo<\/strong><\/li>\n<\/ul>\n<p><strong><span>Fluxo interno<\/span><\/strong><span>\u00a0\u00e9 um fluxo para o qual o fluido \u00e9 confinado por uma superf\u00edcie.\u00a0O conhecimento detalhado do comportamento dos regimes de fluxo interno \u00e9\u00a0<\/span><strong><span>importante na engenharia<\/span><\/strong><span>\u00a0, porque os tubos circulares podem suportar altas press\u00f5es e, portanto, s\u00e3o usados \u200b\u200bpara transportar l\u00edquidos.\u00a0Por outro lado,\u00a0<\/span><strong><span>o fluxo externo<\/span><\/strong><span>\u00a0\u00e9 um fluxo no qual as camadas limite se desenvolvem livremente, sem restri\u00e7\u00f5es impostas pelas superf\u00edcies adjacentes.\u00a0O conhecimento detalhado do comportamento dos\u00a0regimes de\u00a0<\/span><strong><span>fluxo externo<\/span><\/strong><span>\u00a0\u00e9\u00a0<\/span><strong><span>importante, especialmente em aeron\u00e1utica<\/span><\/strong><span>\u00a0e\u00a0<\/span><strong><span>aerodin\u00e2mica<\/span><\/strong><span>\u00a0.<\/span><\/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>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","protected":false},"excerpt":{"rendered":"<p>Do ponto de vista pr\u00e1tico da engenharia, o regime de fluxo pode ser categorizado de acordo com v\u00e1rios crit\u00e9rios.\u00a0Os regimes de fluxo s\u00e3o descritos aqui.\u00a0Regime de fluxo Regime de fluxo Do ponto de vista pr\u00e1tico da engenharia, o regime de fluxo pode ser categorizado de acordo com\u00a0v\u00e1rios crit\u00e9rios\u00a0. Todo o fluxo de fluido\u00a0\u00e9 classificado em &#8230; <a title=\"O que \u00e9 regime de fluxo &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-regime-de-fluxo-definicao\/\" aria-label=\"More on O que \u00e9 regime de fluxo &#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 regime de fluxo - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Do ponto de vista pr\u00e1tico da engenharia, o regime de fluxo pode ser categorizado de acordo com v\u00e1rios crit\u00e9rios. Os regimes de fluxo s\u00e3o descritos aqui. 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