{"id":117603,"date":"2015-11-06T00:00:00","date_gmt":"2015-11-06T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/nuevos-modelos-para-prediccion-y-eliminacion-del-desgaste-ondulatorio-en-carriles-de-ferrocarril\/"},"modified":"2015-11-06T00:00:00","modified_gmt":"2015-11-06T00:00:00","slug":"nuevos-modelos-para-prediccion-y-eliminacion-del-desgaste-ondulatorio-en-carriles-de-ferrocarril","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ingenieria-y-tecnologia-mecanicas\/nuevos-modelos-para-prediccion-y-eliminacion-del-desgaste-ondulatorio-en-carriles-de-ferrocarril\/","title":{"rendered":"Nuevos modelos para predicci\u00f3n y eliminaci\u00f3n del desgaste ondulatorio en carriles de ferrocarril"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Olatz Oyarzabal De Celis <\/strong><\/h2>\n<p>La tesis persigue mejorar los modelos actuales en el dominio de la frecuencia, para prevenir una posible aparici\u00c2\u00bfn del desgaste ondulatorio o corrugaci\u00c2\u00bfn en los carriles, problema existente en las v\u00c2\u00bfas de casi todas las l\u00c2\u00bfneas ferroviarias. Igualmente persigue desarrollar un m\u00c2\u00bftodo que permita encontrar de antemano, en la fase de dise\u00c2\u00bfo, las propiedades mec\u00c2\u00bfnicas de una v\u00c2\u00bfa, minimizando el riesgo de aparici\u00c2\u00bfn de corrugaci\u00c2\u00bfn.Con estos fines se comienza por contrastar los diferentes modelos de v\u00c2\u00bfa y de eje montado disponibles en la bibliograf\u00c2\u00bfa. Adem\u00c2\u00bfs, se estudia la manera de eliminar las ondulaciones espurias que aparecen a veces en las receptancias de la v\u00c2\u00bfa. Se incluye un estudio param\u00c2\u00bftrico para identificar los par\u00c2\u00bfmetros mec\u00c2\u00bfnicos de la v\u00c2\u00bfa m\u00c2\u00bfs influyentes en la corrugaci\u00c2\u00bfn. Tambi\u00c2\u00bfn se desarrolla una metodolog\u00c2\u00bfa de optimizaci\u00c2\u00bfn de los par\u00c2\u00bfmetros de v\u00c2\u00bfa y de contacto para evitar o retardar la aparici\u00c2\u00bfn de la corrugaci\u00c2\u00bfn y se contempla la dispersi\u00c2\u00bfn de esos par\u00c2\u00bfmetros, como sucede en la realidad.El modelo de eje montado se mejora considerando su comportamiento rotordin\u00c2\u00bfmico, especialmente para aplicaciones de alta velocidad. Se sistematizan y estructuran las bases te\u00c2\u00bfricas de la rotordin\u00c2\u00bfmica comenzando desde elementos sencillos como los discos o las vigas, hasta modelos s\u00c2\u00bflidos m\u00c2\u00bfs complejos en 3d. Se determina qu\u00c2\u00bf matrices y qu\u00c2\u00bf ecuaciones de la din\u00c2\u00bfmica se aplican al eje montado ferroviario. Por \u00c2\u00bfltimo, se muestran las receptancias considerando los efectos del giro a alta velocidad del eje montado, y c\u00c2\u00bfmo influyen en las funciones con las que se estudia el crecimiento de la corrugaci\u00c2\u00bf<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Nuevos modelos para predicci\u00f3n y eliminaci\u00f3n del desgaste ondulatorio en carriles de ferrocarril<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Nuevos modelos para predicci\u00f3n y eliminaci\u00f3n del desgaste ondulatorio en carriles de ferrocarril <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Olatz Oyarzabal De Celis <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 11\/06\/2015<\/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>Javier Santamar\u00eda Manrique<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: rafael Avil\u00e9s gonz\u00e1lez <\/li>\n<li>publio Pintado sanJuan (vocal)<\/li>\n<li>josu G\u00f3mez l\u00f3pez (vocal)<\/li>\n<li>Fernando Viadero rueda (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Olatz Oyarzabal De Celis La tesis persigue mejorar los modelos actuales en el dominio de la frecuencia, [&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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