{"id":47168,"date":"2019-11-03T12:02:19","date_gmt":"2019-11-03T11:02:19","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/o-que-e-trocador-de-calor-de-fluxo-paralelo-e-contra-fluxo-definicao\/"},"modified":"2020-01-22T14:37:15","modified_gmt":"2020-01-22T13:37:15","slug":"o-que-e-trocador-de-calor-de-fluxo-paralelo-e-contra-fluxo-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-trocador-de-calor-de-fluxo-paralelo-e-contra-fluxo-definicao\/","title":{"rendered":"O que \u00e9 trocador de calor de fluxo paralelo e contra-fluxo &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Trocador de calor de fluxo paralelo e contra fluxo.\u00a0A figura representa as dire\u00e7\u00f5es do fluxo de fluido nos trocadores paralelos e de contra-fluxo.\u00a0Engenharia T\u00e9rmica<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/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 de fluxo paralelo e contra 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<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<\/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-accordion\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-arrow\" data-anchor=\"References\">\n<div class=\"su-spoiler-content su-clearfix\"><\/div>\n<\/div>\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<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Trocador de calor de fluxo paralelo e contra fluxo.\u00a0A figura representa as dire\u00e7\u00f5es do fluxo de fluido nos trocadores paralelos e de contra-fluxo.\u00a0Engenharia T\u00e9rmica Trocador de calor de fluxo paralelo e contra fluxo Os trocadores de calor\u00a0s\u00e3o normalmente classificados de acordo com a disposi\u00e7\u00e3o do fluxo e o tipo de constru\u00e7\u00e3o.\u00a0O\u00a0trocador de calor\u00a0mais simples\u00a0\u00e9 aquele &#8230; <a title=\"O que \u00e9 trocador de calor de fluxo paralelo e contra-fluxo &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-trocador-de-calor-de-fluxo-paralelo-e-contra-fluxo-definicao\/\" aria-label=\"More on O que \u00e9 trocador de calor de fluxo paralelo e contra-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 trocador de calor de fluxo paralelo e contra-fluxo - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Trocador de calor de fluxo paralelo e contra fluxo. 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