{"id":79078,"date":"2018-03-09T23:24:54","date_gmt":"2018-03-09T23:24:54","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/analisis-de-la-promediacion-de-magnitudes-termo-hidraulicas-en-nucleos-mixtos\/"},"modified":"2018-03-09T23:24:54","modified_gmt":"2018-03-09T23:24:54","slug":"analisis-de-la-promediacion-de-magnitudes-termo-hidraulicas-en-nucleos-mixtos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/analisis-de-la-promediacion-de-magnitudes-termo-hidraulicas-en-nucleos-mixtos\/","title":{"rendered":"An\u00e1lisis de la promediaci\u00f3n de magnitudes termo-hidr\u00e1ulicas en n\u00facleos mixtos"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Abdelkrim Sekhri <\/strong><\/h2>\n<p>Cuando se realiza an\u00e1lisis de transitorios con c\u00f3digos de licencia de las plantas nucleares, el n\u00facleo del reactor se modeliza usando solamente algunos elementos de combustible que son representativos de las regiones m\u00e1s caracter\u00edsticas en que puede dividir el n\u00facleo y contienen un gran n\u00famero un n\u00famero de elementos de combustible cada una.  las caracter\u00edsticas de estos elementos de combustible representativos se deben promediar para obtener las caracter\u00edsticas termohidr\u00e1ulicas del elemento combustible t\u00edpico que pertenece a esa regi\u00f3n. Una de las magnitudes m\u00e1s importantes que deben ser promediada es el coeficiente de transferencia de calor en el huelo hgap, que puede tener variaciones grandes de un elemento de combustible a otro, especialmente si pertenecen a diversos suministradores del combustible, otra magnitud importante analizada en este trabajo es el factor de la fricci\u00f3n en la entrada de los elementos de combustible, que pueden tener un efecto grande en la distribuci\u00f3n del flujo m\u00e1sico total entre los elementos del combustible. En este trabajo, presentamos primero una metodolog\u00eda para obtener la variaci\u00f3n axial del coeficiente medio de transferencia de calor de diferentes elementos de combustible y en la segunda parte realizamos una metodolog\u00eda para obtener los factores medios de fricci\u00f3n a entrada de los canales de diferentes tipos de elementos combustible. para comprobar la consistencia de la metodolog\u00eda de promediaci\u00f3n propuesta, hemos realizado c\u00e1lculos de la evoluci\u00f3n de la temperatura m\u00e1xima en la superficie de la vaina, y de la evoluci\u00f3n de la temperatura del combustible, en un n\u00facleo cargado con diferentes elementos de combustible que tienen distintos valores axiales del hgap, y hemos comparado los resultados de los casos siguientes:  el n\u00facleo o una zona importante del mismo esta cargado con todos los elementos combustibles del tipo 1. El n\u00facleo o una zona importante del mismo esta cargado<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>An\u00e1lisis de la promediaci\u00f3n de magnitudes termo-hidr\u00e1ulicas en n\u00facleos mixtos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 An\u00e1lisis de la promediaci\u00f3n de magnitudes termo-hidr\u00e1ulicas en n\u00facleos mixtos <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Abdelkrim Sekhri <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 15\/03\/2006<\/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>cobo Gonz\u00e1lez Jos\u00e9 Luis Mu\u00f1oz<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: gumersindo Verdu martin <\/li>\n<li>Fernando Legarda iba\u00f1ez (vocal)<\/li>\n<li> Herranz puebla Luis enrique (vocal)<\/li>\n<li>Emilio Minguez torres (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Abdelkrim Sekhri Cuando se realiza an\u00e1lisis de transitorios con c\u00f3digos de licencia de las plantas nucleares, 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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