{"id":39933,"date":"2019-09-17T02:43:54","date_gmt":"2019-09-17T01:43:54","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/que-es-la-conveccion-natural-ejemplo-problema-con-la-solucion-definicion\/"},"modified":"2020-01-06T20:49:21","modified_gmt":"2020-01-06T19:49:21","slug":"que-es-la-conveccion-natural-ejemplo-problema-con-la-solucion-definicion","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/es\/que-es-la-conveccion-natural-ejemplo-problema-con-la-solucion-definicion\/","title":{"rendered":"Qu\u00e9 es la convecci\u00f3n natural &#8211; Ejemplo &#8211; Problema con la soluci\u00f3n &#8211; Definici\u00f3n"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Convecci\u00f3n natural &#8211; Ejemplo &#8211; Problema con la soluci\u00f3n.\u00a0Determine el n\u00famero de Nusselt para convecci\u00f3n natural utilizando la correlaci\u00f3n simple para una placa plana vertical.\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>Ejemplo: convecci\u00f3n natural: placa plana<\/h2>\n<p>Se mantiene una placa vertical de 10 cm de altura a 261 \u00b0 C en agua comprimida a 260 \u00b0 C (16MPa).\u00a0Determine el\u00a0<strong>n\u00famero de Nusselt<\/strong>\u00a0usando la correlaci\u00f3n simple para una placa plana vertical.<\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/example-free-convection-equation.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-20653 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/example-free-convection-equation.png\" alt=\"ejemplo - convecci\u00f3n libre - ecuaci\u00f3n\" width=\"515\" height=\"84\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/example-free-convection-equation.png\" \/><\/a><\/p>\n<p>Para calcular el n\u00famero de Rayleigh, tenemos que saber:<\/p>\n<ul>\n<li>El coeficiente de expansi\u00f3n t\u00e9rmica, que es:\u00a0<strong>\u03b2 = 0.0022<\/strong><\/li>\n<li>el\u00a0<a title=\"\u00bfQu\u00e9 es el n\u00famero de Prandtl?\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/heat-transfer\/introduction-to-heat-transfer\/characteristic-numbers\/what-is-prandtl-number\/\">n\u00famero de Prandtl<\/a>\u00a0(para 260 \u00b0 C), que es:\u00a0<strong>Pr = 0.87<\/strong><\/li>\n<li>la viscosidad cinem\u00e1tica (para 260 \u00b0 C), que es\u00a0<strong>\u03bd = 0.13 x 10\u00a0<sup>-6<\/sup><\/strong>\u00a0(tenga en cuenta que este valor es significativamente menor que el de 20 \u00b0 C)<\/li>\n<\/ul>\n<p>El\u00a0<strong>n\u00famero de Rayleigh<\/strong>\u00a0resultante\u00a0es:<\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/example-natural-convection-flow-regime.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-20654 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/example-natural-convection-flow-regime.png\" alt=\"ejemplo - convecci\u00f3n natural - r\u00e9gimen de flujo\" width=\"498\" height=\"164\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/example-natural-convection-flow-regime.png\" \/><\/a><\/p>\n<p>El n\u00famero de Nusselt resultante, que representa la mejora de la transferencia de calor a trav\u00e9s de una capa de fluido como resultado de la\u00a0<strong>convecci\u00f3n en relaci\u00f3n con la conducci\u00f3n a<\/strong>\u00a0trav\u00e9s de la misma capa de fluido es:<\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/example-natural-convection-solution.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-20655 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/example-natural-convection-solution.png\" alt=\"ejemplo - convecci\u00f3n natural - soluci\u00f3n\" width=\"464\" height=\"46\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/example-natural-convection-solution.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-title\" tabindex=\"0\" role=\"button\"><\/div>\n<\/div>\n<\/div>\n<div tabindex=\"0\" role=\"button\">\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","protected":false},"excerpt":{"rendered":"<p>Convecci\u00f3n natural &#8211; Ejemplo &#8211; Problema con la soluci\u00f3n.\u00a0Determine el n\u00famero de Nusselt para convecci\u00f3n natural utilizando la correlaci\u00f3n simple para una placa plana vertical.\u00a0Ingenieria termal Ejemplo: convecci\u00f3n natural: placa plana Se mantiene una placa vertical de 10 cm de altura a 261 \u00b0 C en agua comprimida a 260 \u00b0 C (16MPa).\u00a0Determine el\u00a0n\u00famero de &#8230; <a title=\"Qu\u00e9 es la convecci\u00f3n natural &#8211; Ejemplo &#8211; Problema con la soluci\u00f3n &#8211; Definici\u00f3n\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/es\/que-es-la-conveccion-natural-ejemplo-problema-con-la-solucion-definicion\/\" aria-label=\"M\u00e1s en Qu\u00e9 es la convecci\u00f3n natural &#8211; Ejemplo &#8211; Problema con la soluci\u00f3n &#8211; 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>Qu\u00e9 es la convecci\u00f3n natural - Ejemplo - Problema con la soluci\u00f3n - Definici\u00f3n<\/title>\n<meta name=\"description\" content=\"Convecci\u00f3n natural - Ejemplo - Problema con la soluci\u00f3n. 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