{"id":37670,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/nuevas-tecnicas-opticas-para-la-inspeccion-y-medida-automaticas-de-defectos-en-la-superficie-interna-de-tubos-de-intercambiadores-de-calor\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"nuevas-tecnicas-opticas-para-la-inspeccion-y-medida-automaticas-de-defectos-en-la-superficie-interna-de-tubos-de-intercambiadores-de-calor","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/nuevas-tecnicas-opticas-para-la-inspeccion-y-medida-automaticas-de-defectos-en-la-superficie-interna-de-tubos-de-intercambiadores-de-calor\/","title":{"rendered":"Nuevas tecnicas opticas para la inspeccion y medida automaticas de defectos en la superficie interna de tubos de intercambiadores de calor."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Lopez Vazquez Jos\u00e9 Carlos <\/strong><\/h2>\n<p>Esta tesis doctoral se centra en el estudio te\u00f3rico y experimental de una nueva t\u00e9cnica de reflectometr\u00eda por fibra, denominada t\u00e9cnica fibra a fibra no focalizada (ffnf), que ha sido concebida como soluci\u00f3n a los problemas existentes en la inspecci\u00f3n y medida autom\u00e1ticas de grietas en tubos de intercambiadores de calor en centrales nucleares. La t\u00e9cnica ffnf permite obtener una imagen sint\u00e9tica de la cara interna de los tubos sin emplear elementos \u00f3pticos intermedios sobre la que se realiza la caracterizaci\u00f3n morfol\u00f3gica de grietas.  en el cap\u00edtulo 1 se refleja el estado del arte de las t\u00e9cnicas autom\u00e1ticas para la inspecci\u00f3n de tubos de intercambiadores de calor. La t\u00e9cnica ffnf se describe en el cap\u00edtulo 2 detallando su proceso de concepci\u00f3n.  en los cap\u00edtulos 3, 4 y 5 la t\u00e9cnica ffnf se analiza te\u00f3ricamente: se desarrolla un modelo original para describir el proceso de formaci\u00f3n de imagen, se formula el principio de medida, se caracteriza la distribucci\u00f3n de la se\u00f1al de salida en cada punto y sobre toda la imagen y se obtienen expresiones anal\u00edticas para dos par\u00e1metros representativos de las prestaciones de la t\u00e9cnica: el l\u00edmite de sensibilidad y el l\u00edmite de resoluci\u00f3n.  el an\u00e1lisis experimental se recoge en el cap\u00edtulo 6 donde se describen el sistema experimental utilizado y la metodolog\u00eda de obtenci\u00f3n y an\u00e1lisis de datos y se presentan los principales resultados que han sido utilizados para validar el an\u00e1lisis te\u00f3rico.  finalmente se detallan las conclusiones que se han alcanzado.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Nuevas tecnicas opticas para la inspeccion y medida automaticas de defectos en la superficie interna de tubos de intercambiadores de calor.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Nuevas tecnicas opticas para la inspeccion y medida automaticas de defectos en la superficie interna de tubos de intercambiadores de calor. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Lopez Vazquez Jos\u00e9 Carlos <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Vigo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1998<\/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 Luis Fern\u00e1ndez Fern\u00e1ndez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Mar\u00eda no P\u00e9rez-mart\u00ednez Y P\u00e9rez-amor <\/li>\n<li>Manuel Quintanilla Monton (vocal)<\/li>\n<li>Carlos Ferreira Garcia (vocal)<\/li>\n<li>Josep Arasa Marti (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Lopez Vazquez Jos\u00e9 Carlos Esta tesis doctoral se centra en el estudio te\u00f3rico y experimental de una [&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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