{"id":40269,"date":"2019-09-18T13:02:09","date_gmt":"2019-09-18T12:02:09","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/que-es-la-conductividad-termica-definicion-definicion\/"},"modified":"2020-01-08T13:09:45","modified_gmt":"2020-01-08T12:09:45","slug":"que-es-la-conductividad-termica-definicion-definicion","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/es\/que-es-la-conductividad-termica-definicion-definicion\/","title":{"rendered":"\u00bfQu\u00e9 es la conductividad t\u00e9rmica? &#8211; Definici\u00f3n &#8211; Definici\u00f3n"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">\u00bfQu\u00e9 es la conductividad t\u00e9rmica? Definici\u00f3n.\u00a0La conductividad t\u00e9rmica es una caracter\u00edstica t\u00e9rmica clave de un material s\u00f3lido.\u00a0Es una medida de la capacidad de una sustancia para transferir calor a trav\u00e9s de un material por conducci\u00f3n.\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>\u00bfQu\u00e9 es la conductividad t\u00e9rmica? Definici\u00f3n<\/h2>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Thermal-conduction-thermal-conductivity-uranium-dioxide.png\"><img loading=\"lazy\" class=\"alignright size-medium wp-image-20048 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Thermal-conduction-thermal-conductivity-uranium-dioxide-300x288.png\" alt=\"Conducci\u00f3n t\u00e9rmica - conductividad t\u00e9rmica - di\u00f3xido de uranio\" width=\"300\" height=\"288\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Thermal-conduction-thermal-conductivity-uranium-dioxide-300x288.png\" \/><\/a>Las caracter\u00edsticas de transferencia de calor de un material s\u00f3lido se miden mediante una propiedad llamada\u00a0<strong>conductividad t\u00e9rmica<\/strong>\u00a0, k (o \u03bb), medida en\u00a0<strong>W \/ mK<\/strong>\u00a0.\u00a0Es una medida de la capacidad de una sustancia para transferir calor a trav\u00e9s de un material por conducci\u00f3n.\u00a0Tenga en cuenta que\u00a0<strong>la ley de Fourier se<\/strong>\u00a0aplica a toda la materia, independientemente de su estado (s\u00f3lido, l\u00edquido o gaseoso), por lo tanto, tambi\u00e9n se define para l\u00edquidos y gases.<\/p>\n<p>La\u00a0<strong>conductividad t\u00e9rmica<\/strong>\u00a0de la mayor\u00eda de los l\u00edquidos y s\u00f3lidos var\u00eda con la temperatura.\u00a0Para los vapores, tambi\u00e9n depende de la presi\u00f3n.<\/p>\n<p><strong>\u00bfQu\u00e9 es la conductividad t\u00e9rmica? Definici\u00f3n<\/strong><\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/thermal-conductivity-definition.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-20041 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/thermal-conductivity-definition.png\" alt=\"conductividad t\u00e9rmica - definici\u00f3n\" width=\"225\" height=\"75\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/thermal-conductivity-definition.png\" \/><\/a><\/p>\n<p>La mayor\u00eda de los materiales son casi casi homog\u00e9neos, por lo tanto, generalmente podemos escribir\u00a0<strong><em>k = k (T)<\/em><\/strong>\u00a0.\u00a0Definiciones similares se asocian con conductividades t\u00e9rmicas en las direcciones y y z (k\u00a0<sub>y<\/sub>\u00a0, k\u00a0<sub>z<\/sub>\u00a0), pero para un material isotr\u00f3pico la conductividad t\u00e9rmica es independiente de la direcci\u00f3n de transferencia, k\u00a0<sub>x<\/sub>\u00a0= k\u00a0<sub>y<\/sub>\u00a0= k\u00a0<sub>z<\/sub>\u00a0= k.<\/p>\n<p>De la ecuaci\u00f3n anterior, se deduce que el flujo de calor de conducci\u00f3n aumenta al aumentar la conductividad t\u00e9rmica y aumenta al aumentar la diferencia de temperatura.\u00a0En general, la conductividad t\u00e9rmica de un s\u00f3lido es mayor que la de un l\u00edquido, que es mayor que la de un gas.\u00a0Esta tendencia se debe en gran parte a las diferencias en el\u00a0<strong>espacio intermolecular<\/strong>\u00a0para los dos estados de la materia.\u00a0En particular, el diamante tiene la mayor dureza y conductividad t\u00e9rmica de cualquier material a granel.<\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/thermal-conductivity-materials-table.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-20063 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/thermal-conductivity-materials-table.png\" alt=\"conductividad t\u00e9rmica - materiales\" width=\"865\" height=\"385\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/thermal-conductivity-materials-table.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 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>\u00bfQu\u00e9 es la conductividad t\u00e9rmica? Definici\u00f3n.\u00a0La conductividad t\u00e9rmica es una caracter\u00edstica t\u00e9rmica clave de un material s\u00f3lido.\u00a0Es una medida de la capacidad de una sustancia para transferir calor a trav\u00e9s de un material por conducci\u00f3n.\u00a0Ingenieria termal \u00bfQu\u00e9 es la conductividad t\u00e9rmica? Definici\u00f3n Las caracter\u00edsticas de transferencia de calor de un material s\u00f3lido se miden mediante &#8230; <a title=\"\u00bfQu\u00e9 es la conductividad t\u00e9rmica? &#8211; Definici\u00f3n &#8211; Definici\u00f3n\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/es\/que-es-la-conductividad-termica-definicion-definicion\/\" aria-label=\"M\u00e1s en \u00bfQu\u00e9 es la conductividad t\u00e9rmica? &#8211; Definici\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>\u00bfQu\u00e9 es la conductividad t\u00e9rmica? - Definici\u00f3n - Definici\u00f3n<\/title>\n<meta name=\"description\" content=\"\u00bfQu\u00e9 es la conductividad t\u00e9rmica? 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