{"id":48937,"date":"2019-11-13T20:40:27","date_gmt":"2019-11-13T19:40:27","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/o-que-e-fluxo-de-escoamento-bomba-centrifuga-definicao\/"},"modified":"2020-02-01T09:25:34","modified_gmt":"2020-02-01T08:25:34","slug":"o-que-e-fluxo-de-escoamento-bomba-centrifuga-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-fluxo-de-escoamento-bomba-centrifuga-definicao\/","title":{"rendered":"O que \u00e9 fluxo de escoamento &#8211; Bomba centr\u00edfuga &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">A vaz\u00e3o da bomba, ou vaz\u00e3o, \u00e9 a vaz\u00e3o m\u00e1xima que pode ser desenvolvida por uma bomba.\u00a0As condi\u00e7\u00f5es de funcionamento correspondem a uma cabe\u00e7a de bomba muito pequena.\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>Caracter\u00edsticas de desempenho de bombas centr\u00edfugas<\/h2>\n<p>Embora a teoria das bombas centr\u00edfugas d\u00ea muitos resultados qualitativos, o indicador mais importante do desempenho de uma\u00a0<strong>bomba<\/strong>\u00a0est\u00e1 em\u00a0<strong>extensos testes hidr\u00e1ulicos<\/strong>\u00a0.<\/p>\n<p>Na ind\u00fastria, as caracter\u00edsticas de todas as bombas geralmente s\u00e3o lidas a partir de sua\u00a0<strong>curva QH<\/strong>\u00a0\u00a0ou\u00a0<strong>curva de desempenho\u00a0<\/strong>\u00a0(vaz\u00e3o &#8211; altura).\u00a0Como pode ser visto, os gr\u00e1ficos de desempenho usam uma\u00a0<strong>descarga &#8211; Q<\/strong>\u00a0(geralmente em m\u00a0<sup>3<\/sup>\u00a0\/ h) e a\u00a0<strong>cabe\u00e7a da bomba &#8211; H<\/strong>\u00a0(geralmente em m) como vari\u00e1veis \u200b\u200bb\u00e1sicas de desempenho.<\/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<h2>Fluxo de execu\u00e7\u00e3o<\/h2>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/runout-flow-centrifugal-pump-Q-H.png\"><img loading=\"lazy\" class=\"alignright size-full wp-image-15141 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/runout-flow-centrifugal-pump-Q-H.png\" alt=\"fluxo de escoamento - bomba centr\u00edfuga - QH\" width=\"394\" height=\"234\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/runout-flow-centrifugal-pump-Q-H.png\" \/><\/a><strong>A<\/strong>\u00a0vaz\u00e3o da\u00a0<strong>bomba,<\/strong>\u00a0ou vaz\u00e3o, \u00e9 a vaz\u00e3o m\u00e1xima que pode ser desenvolvida por uma bomba.\u00a0As condi\u00e7\u00f5es de desvio correspondem a uma cabe\u00e7a de bomba muito pequena, enquanto a vaz\u00e3o \u00e9 m\u00e1xima.<\/p>\n<p>A\u00a0<a title=\"Cabe\u00e7a da bomba - curva de desempenho da bomba centr\u00edfuga\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/centrifugal-pumps\/pump-head-performance-curve\/\">curva de desempenho<\/a>\u00a0(publicada pelo fabricante da bomba) geralmente \u00e9 cortada em algum momento al\u00e9m do intervalo de opera\u00e7\u00e3o permitido (AOR) da bomba.\u00a0O ponto em que a curva de desempenho termina \u00e9 chamado de desvio.\u00a0A diminui\u00e7\u00e3o da press\u00e3o para e abaixo do ponto de fuga pode sobrecarregar o motor da bomba, que pode vibrar e superaquecer.\u00a0Portanto, a opera\u00e7\u00e3o al\u00e9m deste ponto deve ser evitada.<\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/performace-curve-brake-horsepower-min.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-14998 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/performace-curve-brake-horsepower-min.png\" alt=\"curva de desempenho - cavalos-for\u00e7a do freio\" width=\"1005\" height=\"595\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/performace-curve-brake-horsepower-min.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-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>A vaz\u00e3o da bomba, ou vaz\u00e3o, \u00e9 a vaz\u00e3o m\u00e1xima que pode ser desenvolvida por uma bomba.\u00a0As condi\u00e7\u00f5es de funcionamento correspondem a uma cabe\u00e7a de bomba muito pequena.\u00a0Engenharia T\u00e9rmica Caracter\u00edsticas de desempenho de bombas centr\u00edfugas Embora a teoria das bombas centr\u00edfugas d\u00ea muitos resultados qualitativos, o indicador mais importante do desempenho de uma\u00a0bomba\u00a0est\u00e1 em\u00a0extensos testes &#8230; <a title=\"O que \u00e9 fluxo de escoamento &#8211; Bomba centr\u00edfuga &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-fluxo-de-escoamento-bomba-centrifuga-definicao\/\" aria-label=\"More on O que \u00e9 fluxo de escoamento &#8211; Bomba centr\u00edfuga &#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 fluxo de escoamento - Bomba centr\u00edfuga - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"A vaz\u00e3o da bomba, ou vaz\u00e3o, \u00e9 a vaz\u00e3o m\u00e1xima que pode ser desenvolvida por uma bomba. 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