{"id":89288,"date":"2018-03-10T00:14:24","date_gmt":"2018-03-10T00:14:24","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/influencia-de-la-geometria-del-contacto-en-la-resistencia-termica-de-contacto\/"},"modified":"2018-03-10T00:14:24","modified_gmt":"2018-03-10T00:14:24","slug":"influencia-de-la-geometria-del-contacto-en-la-resistencia-termica-de-contacto","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/influencia-de-la-geometria-del-contacto-en-la-resistencia-termica-de-contacto\/","title":{"rendered":"Influencia de la geometr\u00eda del contacto en la resistencia t\u00e9rmica de contacto"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Isabel P\u00e9rez Grande <\/strong><\/h2>\n<p>En esta tesis se analiza la influencia de la geometr\u00eda del contacto en el valor de la conductancia t\u00e9rmica de contacto en una uni\u00f3n sin materiales intersticiales en un entorno de vac\u00edo en el que se puede despreciar la influencia de la radiaci\u00f3n t\u00e9rmica. Se considera que el contacto macrosc\u00f3pico esta formado por un conjunto de contactos individuales.  en primer lugar se analiza el problema bidimensional. Se desarrolla un m\u00e9todo num\u00e9rico de elementos de contorno y se analiza un an\u00e1lisis param\u00e9trico observando c\u00f3mo var\u00eda el valor de la conductancia de contacto con la relaci\u00f3n de \u00e1reas (longitudes) de contacto\/aparente y con el espesor de la zona de contacto. Se analizan tanto configuraciones sim\u00e9tricas como asim\u00e9tricas estudiando la influencia de la relaci\u00f3n de conductividades t\u00e9rmicas de los dos materiales. Se obtienen adem\u00e1s soluciones anal\u00edticas para una geometr\u00eda de contacto particular: el contacto plano.  en segundo lugar se analiza el problema tridimensional. Se desarrolla un m\u00e9todo de elementos de contorno y como celda unidad se utiliza un prisma. se consideran tres par\u00e1metros para realizar el an\u00e1lisis: la relaci\u00f3n de \u00e1reas de contacto\/aparente, el espesor de la zona de contacto y las dimensiones relativas de la secci\u00f3n transversal de la celda unidad. Adem\u00e1s para modelar las superficies de la zona contacto se consideran dos tipos de geometr\u00edas. igual que en el problema bidimensional, se analizan configuraciones sim\u00e9tricas y se estudia la influencia de las conductividades t\u00e9rmicas relativas de los dos materiales.  finalmente, para utilizar los resultados del contacto individual para predecir el comportamiento macrosc\u00f3pico se realiza un estudio estad\u00edstico basado en las ditribuciones de los par\u00e1metros de las superficies.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Influencia de la geometr\u00eda del contacto en la resistencia t\u00e9rmica de contacto<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Influencia de la geometr\u00eda del contacto en la resistencia t\u00e9rmica de contacto <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Isabel P\u00e9rez Grande <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 13\/03\/2001<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Jos\u00e9 Manuel Perales Perales<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: pablo de Assas Martinez de morentin <\/li>\n<li>pedro Perez del notario Martinez mara\u00f1on (vocal)<\/li>\n<li>isidoro Mart\u00ednez herran (vocal)<\/li>\n<li>Jos\u00e9 Juan Lopez moreno (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Isabel P\u00e9rez Grande En esta tesis se analiza la influencia de la geometr\u00eda del contacto en el [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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