{"id":99050,"date":"2010-05-02T00:00:00","date_gmt":"2010-05-02T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/desarrollo-de-un-codigo-nodal-anala%c2%adtico-de-difusion-neutronica-en-multigrupos-para-reactores-nucleares-en-geometrias-3d-rectangulares-y-hexagonales\/"},"modified":"2010-05-02T00:00:00","modified_gmt":"2010-05-02T00:00:00","slug":"desarrollo-de-un-codigo-nodal-anala%c2%adtico-de-difusion-neutronica-en-multigrupos-para-reactores-nucleares-en-geometrias-3d-rectangulares-y-hexagonales","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/politecnica-de-madrid\/desarrollo-de-un-codigo-nodal-anala%c2%adtico-de-difusion-neutronica-en-multigrupos-para-reactores-nucleares-en-geometrias-3d-rectangulares-y-hexagonales\/","title":{"rendered":"Desarrollo de un c\u00f3digo nodal anal\u00edtico de difusi\u00f3n neutr\u00f3nica en multigrupos para reactores nucleares en geometr\u00edas 3d rectangulares y hexagonales"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Juan  Andr\u00e9s Lozano  Montero <\/strong><\/h2>\n<p>En esta tesis se ha desarrollado un solver de difusi\u00f3n nodal anal\u00edtico basado en el m\u00e9todo acmfd (analytic coarse mesh finite differences) en multigrupos para reactores nucleares en geometr\u00edas 3d rectangulares y hexagonales. Para ello, en primer lugar se ha aplicado este m\u00e9todo a la resoluci\u00f3n de estados estacionarios en geometr\u00eda cartesiana 3d, analiz\u00e1ndose la influencia de las fugas transversales en el error de discretizaci\u00f3n espacial. Esta formulaci\u00f3n ha sido exitosamente aplicada tambi\u00e9n en nodos de geometr\u00eda triangular-z mediante la generalizaci\u00f3n del procedimiento de integraci\u00f3n transversal a nodos de \u00e1rea transversal variable. Otro de los objetivos cubiertos por esta tesis ha sido la aplicaci\u00f3n del m\u00e9todo acmfd a las ecuaciones de cin\u00e9tica neutr\u00f3nica, al poderse tratar como un problema de fuente fija tras la discretizaci\u00f3n  temporal, independiente de la geometr\u00eda de la malla. Por \u00faltimo se ha propuesto una nueva aproximaci\u00f3n para corregir el problema del efecto rod cusping en c\u00e1lculos 3d con bancos de control que se basa en la aplicaci\u00f3n directa de la formulaci\u00f3n acmfd.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Desarrollo de un c\u00f3digo nodal anal\u00edtico de difusi\u00f3n neutr\u00f3nica en multigrupos para reactores nucleares en geometr\u00edas 3d rectangulares y hexagonales<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Desarrollo de un c\u00f3digo nodal anal\u00edtico de difusi\u00f3n neutr\u00f3nica en multigrupos para reactores nucleares en geometr\u00edas 3d rectangulares y hexagonales <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Juan  Andr\u00e9s Lozano  Montero <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 05\/02\/2010<\/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 M\u00aa Aragon\u00e9s Beltr\u00e1n<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: carolina Ahnert iglesias <\/li>\n<li>francesc-josep Revent\u00f3s puigjaner (vocal)<\/li>\n<li>Francisco Martin fuertes hernandez sonseca (vocal)<\/li>\n<li>gumersindo Verdu martin (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Juan Andr\u00e9s Lozano Montero En esta tesis se ha desarrollado un solver de difusi\u00f3n nodal anal\u00edtico basado [&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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