{"id":47228,"date":"2019-11-03T17:03:26","date_gmt":"2019-11-03T16:03:26","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/o-que-e-correlacao-de-ebulicao-de-nucleados-correlacao-de-rohsenow-definicao\/"},"modified":"2020-01-22T17:00:42","modified_gmt":"2020-01-22T16:00:42","slug":"o-que-e-correlacao-de-ebulicao-de-nucleados-correlacao-de-rohsenow-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-correlacao-de-ebulicao-de-nucleados-correlacao-de-rohsenow-definicao\/","title":{"rendered":"O que \u00e9 correla\u00e7\u00e3o de ebuli\u00e7\u00e3o de nucleados &#8211; correla\u00e7\u00e3o de Rohsenow &#8211; defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Correla\u00e7\u00f5es de ebuli\u00e7\u00e3o de nucleados &#8211; Correla\u00e7\u00e3o de Rohsenow.\u00a0A correla\u00e7\u00e3o mais amplamente utilizada para a taxa de transfer\u00eancia de calor na ebuli\u00e7\u00e3o do nucleado foi proposta em 1952 por Rohsenow.\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-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>Correla\u00e7\u00f5es de ebuli\u00e7\u00e3o de nucleados &#8211; Correla\u00e7\u00e3o de Rohsenow<\/h2>\n<p>Os regimes de ebuli\u00e7\u00e3o discutidos acima diferem consideravelmente em seu car\u00e1ter.\u00a0Tamb\u00e9m existem correla\u00e7\u00f5es diferentes que descrevem a transfer\u00eancia de calor.\u00a0Nesta se\u00e7\u00e3o, revisamos algumas das correla\u00e7\u00f5es mais amplamente usadas para a ebuli\u00e7\u00e3o de nucleados.<\/p>\n<p><strong>Ebuli\u00e7\u00e3o de Piscina Nucleada<\/strong><\/p>\n<p><strong>Correla\u00e7\u00e3o de Rohsenow<\/strong><\/p>\n<p>A correla\u00e7\u00e3o mais amplamente usada para a taxa de transfer\u00eancia de calor na ebuli\u00e7\u00e3o do nucleado foi proposta em 1952 por\u00a0<strong>Rohsenow<\/strong>\u00a0:<\/p>\n<p><strong>Correla\u00e7\u00e3o de Rohsenow<\/strong><\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Rohsenow-correlation-nucleate-boiling.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-20786 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Rohsenow-correlation-nucleate-boiling.png\" alt=\"Correla\u00e7\u00e3o de Rohsenow - ebuli\u00e7\u00e3o nucleada\" width=\"403\" height=\"87\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Rohsenow-correlation-nucleate-boiling.png\" \/><\/a><\/p>\n<p><span>Onde<\/span><\/p>\n<ul>\n<li><span>q &#8211; fluxo de calor em ebuli\u00e7\u00e3o da piscina nucleada [W \/ m\u00a0<\/span><sup><span>2<\/span><\/sup><span>\u00a0]<\/span><\/li>\n<li><span>c\u00a0<\/span><sub><span>1<\/span><\/sub><span>\u00a0&#8211; calor espec\u00edfico do l\u00edquido J \/ kg K<\/span><\/li>\n<li><span>\u0394T &#8211; excesso de temperatura \u00b0 C ou K<\/span><\/li>\n<li><span>h\u00a0<\/span><sub><span>fg<\/span><\/sub><span>\u00a0\u00a0&#8211; entalpia de vaporiza\u00e7\u00e3o, J \/ kg<\/span><\/li>\n<li><span>Pr &#8211; n\u00famero Prandtl de l\u00edquido<\/span><\/li>\n<li><span>n &#8211; constante experimental igual a 1 para a \u00e1gua e 1,7 para outros fluidos<\/span><\/li>\n<li><span>C\u00a0<\/span><sub><span>sf<\/span><\/sub><span>\u00a0&#8211; fator de fluido da superf\u00edcie, por exemplo, \u00e1gua e n\u00edquel t\u00eam C\u00a0<\/span><sub><span>sf<\/span><\/sub><span>\u00a0de 0,006<\/span><\/li>\n<li><span>\u03bc\u00a0<\/span><sub><span>1<\/span><\/sub><span>\u00a0&#8211; viscosidade din\u00e2mica do l\u00edquido kg \/ ms<\/span><\/li>\n<li><span>g &#8211; acelera\u00e7\u00e3o gravitacional m \/ s\u00a0<\/span><sup><span>2<\/span><\/sup><\/li>\n<li><span>g\u00a0<\/span><sub><span>0<\/span><\/sub><span>\u00a0&#8211; fator de convers\u00e3o de for\u00e7a kgm \/ Ns\u00a0<\/span><sup><span>2<\/span><\/sup><\/li>\n<li><span>\u03c1\u00a0<\/span><sub><span>1<\/span><\/sub><span>\u00a0&#8211; densidade do l\u00edquido kg \/ m\u00a0<\/span><sup><span>3<\/span><\/sup><\/li>\n<li><span>\u03c1\u00a0<\/span><sub><span>v<\/span><\/sub><span>\u00a0&#8211; densidade do vapor kg \/ m\u00a0<\/span><sup><span>3<\/span><\/sup><\/li>\n<li><span>\u03c3 &#8211; interface tens\u00e3o superficial-vapor-l\u00edquido N \/ m<\/span><\/li>\n<\/ul>\n<p><span>Como pode ser visto, \u0394T \u221d (q)\u00a0<\/span><sup><span>\u2153<\/span><\/sup><span>\u00a0.\u00a0Essa proporcionalidade muito importante mostra a capacidade crescente da interface de transferir calor.<\/span><\/p>\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","protected":false},"excerpt":{"rendered":"<p>Correla\u00e7\u00f5es de ebuli\u00e7\u00e3o de nucleados &#8211; Correla\u00e7\u00e3o de Rohsenow.\u00a0A correla\u00e7\u00e3o mais amplamente utilizada para a taxa de transfer\u00eancia de calor na ebuli\u00e7\u00e3o do nucleado foi proposta em 1952 por Rohsenow.\u00a0Engenharia T\u00e9rmica Correla\u00e7\u00f5es de ebuli\u00e7\u00e3o de nucleados &#8211; Correla\u00e7\u00e3o de Rohsenow Os regimes de ebuli\u00e7\u00e3o discutidos acima diferem consideravelmente em seu car\u00e1ter.\u00a0Tamb\u00e9m existem correla\u00e7\u00f5es diferentes que &#8230; <a title=\"O que \u00e9 correla\u00e7\u00e3o de ebuli\u00e7\u00e3o de nucleados &#8211; correla\u00e7\u00e3o de Rohsenow &#8211; defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-correlacao-de-ebulicao-de-nucleados-correlacao-de-rohsenow-definicao\/\" aria-label=\"More on O que \u00e9 correla\u00e7\u00e3o de ebuli\u00e7\u00e3o de nucleados &#8211; correla\u00e7\u00e3o de Rohsenow &#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 correla\u00e7\u00e3o de ebuli\u00e7\u00e3o de nucleados - correla\u00e7\u00e3o de Rohsenow - defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Correla\u00e7\u00f5es de ebuli\u00e7\u00e3o de nucleados - Correla\u00e7\u00e3o de Rohsenow. 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