{"id":47172,"date":"2019-11-03T12:21:43","date_gmt":"2019-11-03T11:21:43","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/o-que-e-trocador-de-calor-com-tubo-duplo-definicao\/"},"modified":"2020-01-22T14:51:21","modified_gmt":"2020-01-22T13:51:21","slug":"o-que-e-trocador-de-calor-com-tubo-duplo-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-trocador-de-calor-com-tubo-duplo-definicao\/","title":{"rendered":"O que \u00e9 trocador de calor com tubo duplo &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Os trocadores de calor com tubo duplo s\u00e3o baratos para projeto e manuten\u00e7\u00e3o, tornando-os uma boa op\u00e7\u00e3o para pequenas ind\u00fastrias.\u00a0Trocadores de calor de tubo duplo<\/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>Trocadores de calor de tubo duplo<\/h2>\n<p><strong>Trocadores de calor com tubo duplo<\/strong><\/p>\n<p><strong>Os trocadores de calor com tubo duplo<\/strong>\u00a0s\u00e3o baratos para projeto e manuten\u00e7\u00e3o, tornando-os uma boa op\u00e7\u00e3o para pequenas ind\u00fastrias.\u00a0Nestes trocadores, um fluido flui para dentro do tubo e o outro flui para o exterior.\u00a0Embora sejam simples e baratas, sua baixa efici\u00eancia, aliada ao alto espa\u00e7o ocupado em grandes escalas, levou as ind\u00fastrias modernas a usar trocadores de calor mais eficientes, como cascas e tubos.<\/p>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-60 lgc-tablet-grid-60 lgc-mobile-grid-100 lgc-equal-heights lgc-first\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>Trocador de Calor &#8211; Dire\u00e7\u00e3o do Fluxo<\/h2>\n<p><strong>Os trocadores de calor<\/strong>\u00a0s\u00e3o normalmente classificados de acordo com a disposi\u00e7\u00e3o do fluxo e o tipo de constru\u00e7\u00e3o.\u00a0O\u00a0<strong>trocador de calor<\/strong>\u00a0mais simples\u00a0\u00e9 aquele para o qual os fluidos quente e frio se movem na mesma dire\u00e7\u00e3o ou em dire\u00e7\u00f5es opostas.\u00a0Este trocador de calor consiste em dois tubos conc\u00eantricos de di\u00e2metros diferentes.<\/p>\n<ul>\n<li><strong>disposi\u00e7\u00e3o de fluxo paralelo<\/strong>\u00a0.\u00a0Na disposi\u00e7\u00e3o de fluxo paralelo, os fluidos quente e frio entram na mesma extremidade, fluem na mesma dire\u00e7\u00e3o e saem na mesma extremidade.<\/li>\n<li><strong>arranjo de contra-fluxo<\/strong>\u00a0.\u00a0No arranjo de contra-fluxo, os fluidos entram em extremos opostos, fluem em dire\u00e7\u00f5es opostas e saem em extremos opostos.<\/li>\n<\/ul>\n<p>A figura representa as dire\u00e7\u00f5es do fluxo de fluido nos trocadores paralelos e de contra-fluxo.\u00a0Sob condi\u00e7\u00f5es compar\u00e1veis, mais calor \u00e9 transferido em um arranjo de contra-fluxo do que em um trocador de calor de fluxo paralelo.\u00a0Os perfis de temperatura dos dois trocadores de calor indicam duas grandes desvantagens no projeto de fluxo paralelo.<\/p>\n<ul>\n<li>A grande diferen\u00e7a de temperatura nas extremidades causa grandes tens\u00f5es t\u00e9rmicas.<\/li>\n<li>A temperatura do fluido frio que sai do trocador de calor nunca excede a temperatura mais baixa do fluido quente.<\/li>\n<\/ul>\n<p>O design de um trocador de calor de fluxo paralelo \u00e9 vantajoso quando \u00e9 necess\u00e1rio levar dois fluidos para quase a mesma temperatura.<\/p>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-40 lgc-tablet-grid-40 lgc-mobile-grid-100 lgc-equal-heights lgc-last\">\n<div class=\"inside-grid-column\">\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/heat-exchanger-parallel-flow.png\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-21031 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/heat-exchanger-parallel-flow-219x300.png\" alt=\"trocador de calor - fluxo paralelo\" width=\"219\" height=\"300\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/heat-exchanger-parallel-flow-219x300.png\" \/><\/a><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/heat-exchanger-counter-flow.png\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-21030 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/heat-exchanger-counter-flow-212x300.png\" alt=\"trocador de calor - contra-fluxo\" width=\"212\" height=\"300\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/heat-exchanger-counter-flow-212x300.png\" \/><\/a><\/p>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\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>Os trocadores de calor com tubo duplo s\u00e3o baratos para projeto e manuten\u00e7\u00e3o, tornando-os uma boa op\u00e7\u00e3o para pequenas ind\u00fastrias.\u00a0Trocadores de calor de tubo duplo Trocadores de calor de tubo duplo Trocadores de calor com tubo duplo Os trocadores de calor com tubo duplo\u00a0s\u00e3o baratos para projeto e manuten\u00e7\u00e3o, tornando-os uma boa op\u00e7\u00e3o para pequenas &#8230; <a title=\"O que \u00e9 trocador de calor com tubo duplo &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-trocador-de-calor-com-tubo-duplo-definicao\/\" aria-label=\"More on O que \u00e9 trocador de calor com tubo duplo &#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 trocador de calor com tubo duplo - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Os trocadores de calor de tubo duplo s\u00e3o baratos tanto para o projeto quanto para a manuten\u00e7\u00e3o, tornando-os uma boa op\u00e7\u00e3o para pequenas ind\u00fastrias. 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