{"id":41837,"date":"2019-09-30T08:54:28","date_gmt":"2019-09-30T07:54:28","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/que-es-el-espesor-de-la-capa-limite-definicion\/"},"modified":"2020-01-20T14:40:21","modified_gmt":"2020-01-20T13:40:21","slug":"que-es-el-espesor-de-la-capa-limite-definicion","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/es\/que-es-el-espesor-de-la-capa-limite-definicion\/","title":{"rendered":"\u00bfQu\u00e9 es el espesor de la capa l\u00edmite? Definici\u00f3n"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Definimos el grosor de la capa l\u00edmite como la distancia desde la pared hasta el punto donde la velocidad es el 99% de la velocidad de &#8220;flujo libre&#8221;.\u00a0Capa l\u00edmite.\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>Espesor de la capa l\u00edmite<\/h2>\n<p>Definimos el\u00a0<strong>grosor<\/strong>\u00a0de la capa l\u00edmite como la distancia desde la pared hasta el punto donde la velocidad es el 99% de la velocidad de &#8220;flujo libre&#8221;.\u00a0Para\u00a0<strong>las capas l\u00edmite laminares<\/strong>\u00a0sobre una placa plana, la\u00a0<strong>soluci\u00f3n<\/strong>\u00a0\u00a0de\u00a0<strong>Blasius<\/strong>\u00a0de las ecuaciones que rigen el flujo proporciona:<\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Boundary-Layer-Thickness-laminar.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-14448 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Boundary-Layer-Thickness-laminar.png\" alt=\"Espesor de capa l\u00edmite - laminar\" width=\"124\" height=\"81\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Boundary-Layer-Thickness-laminar.png\" \/><\/a><\/p>\n<p>donde\u00a0<strong>Re\u00a0<sub>x<\/sub><\/strong>\u00a0\u00a0es el n\u00famero de Reynolds basado en la longitud de la placa.<\/p>\n<p>Para un\u00a0<strong>flujo turbulento,<\/strong>\u00a0el espesor de la capa l\u00edmite viene dado por:<\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Boundary-Layer-Thickness-turbulent.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-14447 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Boundary-Layer-Thickness-turbulent.png\" alt=\"Espesor de la capa l\u00edmite: turbulento\" width=\"144\" height=\"76\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Boundary-Layer-Thickness-turbulent.png\" \/><\/a><\/p>\n<p>Esta ecuaci\u00f3n se deriv\u00f3 con varios supuestos.\u00a0La f\u00f3rmula del grosor de la capa l\u00edmite turbulenta supone que el flujo es turbulento desde el comienzo de la capa l\u00edmite.<\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Boundary-layer-on-flat-plate.png\"><img loading=\"lazy\" class=\"aligncenter size-large wp-image-14390 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Boundary-layer-on-flat-plate-1024x357.png\" alt=\"Capa l\u00edmite en placa plana\" width=\"669\" height=\"233\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Boundary-layer-on-flat-plate-1024x357.png\" \/><\/a><\/p>\n<div class=\"su-spacer\"><\/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-spacer\"><\/div>\n<h2>Ejemplo: espesor de la capa l\u00edmite<\/h2>\n<p>Considere un flujo de agua (20 \u00b0 C) a v = \u00a0\u00a0<strong>0.1 m \/ s m\u00e1s<\/strong>\u00a0all\u00e1 de una placa plana de 1 m de largo.\u00a0Calcule el grosor de la capa l\u00edmite en el medio de la placa.\u00a0Suponga que la viscosidad cinem\u00e1tica del agua a 20 \u00b0 C es igual a\u00a0<strong>1 \u00d7 10\u00a0<sup>-6<\/sup>\u00a0m\u00a0<sup>2<\/sup>\u00a0\/ s<\/strong>\u00a0.<\/p>\n<p><strong><span>El n\u00famero de Reynolds<\/span><\/strong><span>\u00a0para el centro de la placa es igual a:<\/span><\/p>\n<p><span>Re\u00a0<\/span><sub><span>L \/ 2<\/span><\/sub><span>\u00a0= 0.1 [m \/ s] x 0.5 [m] \/ 1 \u00d7 10\u00a0<\/span><sup><span>-6<\/span><\/sup><span>\u00a0[m\u00a0<\/span><sup><span>2<\/span><\/sup><span>\u00a0\/ s] =\u00a0<\/span><strong><span>50 000<\/span><\/strong><\/p>\n<p><span>Esto satisface las condiciones laminares.\u00a0El grosor de la capa l\u00edmite es, por lo tanto, igual a:<\/span><\/p>\n<p><span>\u03b4 \u2248 5.0 x 0.5 \/ (50 000)\u00a0<\/span><sup><span>\u00bd<\/span><\/sup><span>\u00a0=\u00a0<\/span><strong><span>0.011 m<\/span><\/strong><\/p>\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 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","protected":false},"excerpt":{"rendered":"<p>Definimos el grosor de la capa l\u00edmite como la distancia desde la pared hasta el punto donde la velocidad es el 99% de la velocidad de &#8220;flujo libre&#8221;.\u00a0Capa l\u00edmite.\u00a0Ingenieria termal Espesor de la capa l\u00edmite Definimos el\u00a0grosor\u00a0de la capa l\u00edmite como la distancia desde la pared hasta el punto donde la velocidad es el 99% &#8230; <a title=\"\u00bfQu\u00e9 es el espesor de la capa l\u00edmite? Definici\u00f3n\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/es\/que-es-el-espesor-de-la-capa-limite-definicion\/\" aria-label=\"M\u00e1s en \u00bfQu\u00e9 es el espesor de la capa l\u00edmite? 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 el espesor de la capa l\u00edmite? Definici\u00f3n<\/title>\n<meta name=\"description\" content=\"Definimos el grosor de la capa l\u00edmite como la distancia desde la pared hasta el punto donde la velocidad es el 99% de la velocidad de &quot;flujo libre&quot;. Capa l\u00edmite. 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