{"id":29071,"date":"2004-08-03T00:00:00","date_gmt":"2004-08-03T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/propiedades-acusticas-del-caucho\/"},"modified":"2004-08-03T00:00:00","modified_gmt":"2004-08-03T00:00:00","slug":"propiedades-acusticas-del-caucho","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/politecnica-de-madrid\/propiedades-acusticas-del-caucho\/","title":{"rendered":"Propiedades acusticas del caucho"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Rosa Mar\u00eda Rodr\u00edguez Montejano <\/strong><\/h2>\n<p>El origen de esta tesis surge de la necesidad de encontrar materiales ac\u00fasticos absorbentes, alternativos a los fibrosos tradicionales, para su utilizaci\u00f3n en exteriores. Otro tema de inter\u00e9s consiste en la reutilizaci\u00f3n de neum\u00e1ticos fuera de uso, agentes contaminantes de primer orden. La complejidad y alto coste del reciclaje de esos neum\u00e1ticos permite su reutilizaci\u00f3n en muy peque\u00f1o porcentaje y pone de manifiesto la necesidad de disponer de m\u00e9todos que permitan su aprovechamiento posterior. El objetivo fundamental de esta tesis consiste en el an\u00e1lisis, tanto emp\u00edrico como te\u00f3rico, de las caracter\u00edsticas del caucho procedente de los neum\u00e1ticos fuera de uso como material absorbente ac\u00fastico, y en el desarrollo de nuevas aplicaciones ac\u00fasticas para su uso en exteriores.  se parte de un triturado m\u00e1s o menos fino del caucho, que lo convierte en un material granular con la posibilidad de obtener muestras de granulometr\u00edas y distribuci\u00f3n de tama\u00f1o de part\u00edculas controladas. El an\u00e1lisis te\u00f3rico de este material debe, por tanto, asentarse en los conocimientos existentes sobre medios porosos granulares. Se pone de manifiesto la necesidad de conocer las propiedades f\u00edsicas inherentes a la estructura interna del material: resistividad al flujo de aire, porosidad y tortuosidad. Dichos par\u00e1metros deben ser medidos, siendo necesario dise\u00f1ar y construir un laboratorio con los dispositivos y t\u00e9cnicas apropiadas a tal fin. Junto al desarrollo de modelos matem\u00e1ticos de predicci\u00f3n es imprescindible la realizaci\u00f3n de ensayos experimentales de absorci\u00f3n ac\u00fastica cuyos resultados demuestran las buenas propiedades del caucho granular como absorbente ac\u00fastico. Estos primeros ensayos permiten, en primer lugar, comprobar la influencia del tama\u00f1o de grano en el grado de absorci\u00f3n ac\u00fastica de las muestras. Se analiza adem\u00e1s la influencia del espesor de la muestra en la absorci\u00f3n ac\u00fastica de los materiales porosos y se comp<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Propiedades acusticas del caucho<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Propiedades acusticas del caucho <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Rosa Mar\u00eda Rodr\u00edguez Montejano <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 08\/03\/2004<\/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>Jaime Pfretzschner<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: emilio Bautista paz <\/li>\n<li> Blas arnau Jos\u00e9 Manuel (vocal)<\/li>\n<li>carmelo Militello militello (vocal)<\/li>\n<li>julio Gonzalez suarez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Rosa Mar\u00eda Rodr\u00edguez Montejano El origen de esta tesis surge de la necesidad de encontrar materiales ac\u00fasticos [&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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