{"id":41825,"date":"2019-09-30T07:56:17","date_gmt":"2019-09-30T06:56:17","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/que-es-la-longitud-de-entrada-hidrodinamica-definicion\/"},"modified":"2020-01-20T14:36:38","modified_gmt":"2020-01-20T13:36:38","slug":"que-es-la-longitud-de-entrada-hidrodinamica-definicion","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/es\/que-es-la-longitud-de-entrada-hidrodinamica-definicion\/","title":{"rendered":"\u00bfQu\u00e9 es la longitud de entrada hidrodin\u00e1mica? Definici\u00f3n"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Para caracterizar la regi\u00f3n con entrada se debe introducir la longitud de entrada hidrodin\u00e1mica.\u00a0La longitud de entrada hidrodin\u00e1mica debe verificarse en todos los c\u00e1lculos.\u00a0Ingenieria termal<\/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>Longitud de entrada hidrodin\u00e1mica<\/h2>\n<figure id=\"attachment_14394\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-14394\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Internal-Flow.png\"><img loading=\"lazy\" class=\"size-medium wp-image-14394 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Internal-Flow-300x269.png\" alt=\"Flujo interno\" width=\"300\" height=\"269\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Internal-Flow-300x269.png\" \/><\/a><figcaption id=\"caption-attachment-14394\" class=\"wp-caption-text\">Fuente: White Frank M., Fluid Mechanics, McGraw-Hill Education, 7\u00aa edici\u00f3n, febrero de 2010, ISBN: 978-0077422417<\/figcaption><\/figure>\n<p>Para\u00a0<a title=\"Flujo interno\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/internal-flow\/\">el<\/a>\u00a0r\u00e9gimen de\u00a0<a title=\"Internal Flow\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/fluid-dynamics\/internal-flow\/\">flujo interno<\/a>\u00a0, una\u00a0<strong>regi\u00f3n de entrada<\/strong>\u00a0es t\u00edpica.\u00a0En esta regi\u00f3n, un flujo ascendente casi invisible se converge y entra al tubo.\u00a0Para caracterizar esta regi\u00f3n,\u00a0se introduce la\u00a0<strong>longitud de entrada hidrodin\u00e1mica<\/strong>\u00a0y es aproximadamente igual a:<\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/hydrodynamic-entrance-length.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-14416 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/hydrodynamic-entrance-length.png\" alt=\"longitud de entrada hidrodin\u00e1mica\" width=\"365\" height=\"69\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/hydrodynamic-entrance-length.png\" \/><\/a><\/p>\n<p>La longitud m\u00e1xima de entrada hidrodin\u00e1mica, en\u00a0<strong>Re\u00a0<sub>D, crit<\/sub>\u00a0\u00a0= 2300<\/strong>\u00a0(\u00a0<strong>flujo laminar<\/strong>\u00a0), es L\u00a0<sub>e<\/sub>\u00a0= 138d, donde D es el di\u00e1metro de la tuber\u00eda.\u00a0Esta es la mayor longitud de desarrollo posible.\u00a0En\u00a0<strong>flujo turbulento<\/strong>\u00a0, las capas l\u00edmite crecen m\u00e1s r\u00e1pido y L\u00a0<sub>e<\/sub>\u00a0\u00a0es relativamente m\u00e1s corto.\u00a0Para cualquier problema,\u00a0se debe\u00a0<strong>verificar\u00a0<\/strong><strong>L\u00a0<sub>e<\/sub>\u00a0\u00a0\/ D<\/strong>\u00a0para ver si L\u00a0<sub>e<\/sub>\u00a0\u00a0es insignificante en comparaci\u00f3n con la longitud de la tuber\u00eda.\u00a0A una distancia finita de la entrada, los efectos de entrada pueden descuidarse, porque las capas l\u00edmite se fusionan y el n\u00facleo invisible desaparece.\u00a0El flujo del tubo se\u00a0<strong>desarrolla completamente<\/strong>\u00a0.<\/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 art\u00edculo se basa en la traducci\u00f3n autom\u00e1tica del art\u00edculo original en ingl\u00e9s. Para m\u00e1s informaci\u00f3n vea el art\u00edculo en ingl\u00e9s. Puedes ayudarnos. Si desea corregir la traducci\u00f3n, env\u00edela a: translations@nuclear-power.com o complete el formulario de traducci\u00f3n en l\u00ednea. Agradecemos su ayuda, actualizaremos la traducci\u00f3n lo antes posible. Gracias.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Para caracterizar la regi\u00f3n con entrada se debe introducir la longitud de entrada hidrodin\u00e1mica.\u00a0La longitud de entrada hidrodin\u00e1mica debe verificarse en todos los c\u00e1lculos.\u00a0Ingenieria termal Longitud de entrada hidrodin\u00e1mica Fuente: White Frank M., Fluid Mechanics, McGraw-Hill Education, 7\u00aa edici\u00f3n, febrero de 2010, ISBN: 978-0077422417 Para\u00a0el\u00a0r\u00e9gimen de\u00a0flujo interno\u00a0, una\u00a0regi\u00f3n de entrada\u00a0es t\u00edpica.\u00a0En esta regi\u00f3n, un flujo &#8230; <a title=\"\u00bfQu\u00e9 es la longitud de entrada hidrodin\u00e1mica? Definici\u00f3n\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/es\/que-es-la-longitud-de-entrada-hidrodinamica-definicion\/\" aria-label=\"M\u00e1s en \u00bfQu\u00e9 es la longitud de entrada hidrodin\u00e1mica? Definici\u00f3n\">Leer m\u00e1s<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[16],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00bfQu\u00e9 es la longitud de entrada hidrodin\u00e1mica? Definici\u00f3n<\/title>\n<meta name=\"description\" content=\"Para caracterizar la regi\u00f3n con entrada se debe introducir la longitud de entrada hidrodin\u00e1mica. La longitud de entrada hidrodin\u00e1mica debe verificarse en todos los c\u00e1lculos. 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