{"id":47555,"date":"2019-11-05T10:07:42","date_gmt":"2019-11-05T09:07:42","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/o-que-e-o-numero-eckert-definicao\/"},"modified":"2020-01-23T20:11:13","modified_gmt":"2020-01-23T19:11:13","slug":"o-que-e-o-numero-eckert-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-o-numero-eckert-definicao\/","title":{"rendered":"O que \u00e9 o n\u00famero Eckert &#8211; defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">O n\u00famero Eckert \u00e9 um n\u00famero sem dimens\u00e3o, nomeado ap\u00f3s Ernst RG Eckert.\u00a0O n\u00famero de Eckert \u00e9 definido como a raz\u00e3o da transfer\u00eancia de massa advectiva para o potencial de dissipa\u00e7\u00e3o de calor.\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>O que \u00e9 o n\u00famero Eckert<\/h2>\n<p>O\u00a0<strong>n\u00famero Eckert<\/strong>\u00a0\u00e9 um n\u00famero sem dimens\u00e3o, nomeado ap\u00f3s Ernst RG Eckert.\u00a0O\u00a0<strong>n\u00famero de Eckert<\/strong>\u00a0\u00e9 definido como a raz\u00e3o da transfer\u00eancia de massa advectiva para o potencial de dissipa\u00e7\u00e3o de calor.<\/p>\n<p>O\u00a0<strong>n\u00famero de Eckert<\/strong>\u00a0fornece uma medida da energia cin\u00e9tica do fluxo em rela\u00e7\u00e3o \u00e0 diferen\u00e7a de entalpia atrav\u00e9s da camada limite t\u00e9rmica.\u00a0\u00c9 usado para caracterizar a dissipa\u00e7\u00e3o de calor em fluxos de alta velocidade, para os quais a dissipa\u00e7\u00e3o viscosa \u00e9 significativa.<\/p>\n<p>O\u00a0<strong>n\u00famero Eckert<\/strong>\u00a0\u00e9 definido como:<\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/eckert-number-definition-formula.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-20333 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/eckert-number-definition-formula.png\" alt=\"n\u00famero eckert - defini\u00e7\u00e3o - f\u00f3rmula\" width=\"398\" height=\"313\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/eckert-number-definition-formula.png\" \/><\/a><\/p>\n<p>Onde:<\/p>\n<p>u \u00e9 a velocidade do fluxo local [m \/ s]\n<p>c\u00a0<sub>p<\/sub>\u00a0\u00e9 a\u00a0<a title=\"Calor espec\u00edfico a volume constante e press\u00e3o constante\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/ideal-gas-law\/specific-heat-constant-volume-pressure\/\">capacidade t\u00e9rmica espec\u00edfica de press\u00e3o constante<\/a>\u00a0[m\u00a0<sup>2<\/sup>\u00a0\/ Ks\u00a0<sup>-2<\/sup>\u00a0]\n<p>\u2206T \u00e9 a diferen\u00e7a de temperatura entre a parede e as temperaturas locais [K]\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\">\n<p>&nbsp;<\/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<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>O n\u00famero Eckert \u00e9 um n\u00famero sem dimens\u00e3o, nomeado ap\u00f3s Ernst RG Eckert.\u00a0O n\u00famero de Eckert \u00e9 definido como a raz\u00e3o da transfer\u00eancia de massa advectiva para o potencial de dissipa\u00e7\u00e3o de calor.\u00a0Engenharia T\u00e9rmica O que \u00e9 o n\u00famero Eckert O\u00a0n\u00famero Eckert\u00a0\u00e9 um n\u00famero sem dimens\u00e3o, nomeado ap\u00f3s Ernst RG Eckert.\u00a0O\u00a0n\u00famero de Eckert\u00a0\u00e9 definido como &#8230; <a title=\"O que \u00e9 o n\u00famero Eckert &#8211; defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-o-numero-eckert-definicao\/\" aria-label=\"More on O que \u00e9 o n\u00famero Eckert &#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 o n\u00famero Eckert - defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"O n\u00famero de Eckert \u00e9 um n\u00famero sem dimens\u00e3o, nomeado ap\u00f3s Ernst R. 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