{"id":74537,"date":"2018-03-09T23:19:36","date_gmt":"2018-03-09T23:19:36","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/la-organizacion-a-gran-escala-de-canales-turbulentos\/"},"modified":"2018-03-09T23:19:36","modified_gmt":"2018-03-09T23:19:36","slug":"la-organizacion-a-gran-escala-de-canales-turbulentos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/matematicas\/la-organizacion-a-gran-escala-de-canales-turbulentos\/","title":{"rendered":"La organizaci\u00f3n a gran escala de canales turbulentos."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Alamo De Pedro Juan  Carlos Del <\/strong><\/h2>\n<p>En esta tesis se investigan el origen y la organizaci\u00f3n de las estructuras grandes que se encuentran en las regiones logar\u00edtmica y exterior de la turbulencia parietal. Estas estructuras contienen la mayor parte de la energia cin\u00e9tica turbulenta, son responsables de una fracci\u00f3n apreciable de la resistencia de fricci\u00f3n y juegan un papel fundamental en el transporte turbulento. A pesar de su relevancia, existe mucha menos informaci\u00f3n acerca de las estructuras grandes que acerca de las estructuras peque\u00f1as de la regi\u00f3n de la pared. Esto se debe a la dificultad que entra\u00f1a su an\u00e1lisis.  para nuestro estudio hacemos uso de los resultados de nuevos experimentos num\u00e9ricos del flujo turbulento en canales planos, realizados a n\u00fameros de reynolds, ,m\u00e1s altos y en dominios computacionales m\u00e1s grandes que los existentes hasta la fecha. Parte de los resultados de estos experimentos est\u00e1 disponible en el sitio http:\/\/torroja.Dmt.Upm.Es\/ftp\/channels. Alojado en espa\u00f1a, o en la r\u00e9plica http:\/\/davinci.Tam.Uiuc.Edu\/data\/channels. Alojada en ee. Uu. Tambi\u00e9n es posible acceder a la base de datos completa siguiendo el procedimiento indicado en htlp:\/\/davinci.Tam.Uiuc.Edu\/content\/channeldata.Html.  los resultados indican que las fluctuaciones turbulentas de velocidad en las direcciones paralelas a la pared se organizan formando estructuras muy grandes, cuyo tama\u00f1o escala con el espesor del flujo. Estas estructuras, que hemos denominado modos globales, penetran desde el centro del canal hasta la zona de la pared, lo cual explica el escalado incompleto del espectro de energ\u00eda en esta regi\u00f3n. Hemos mostrado que la escala de velocidad de los modos globales es la velocidad media en el centro del canal, llegando a un escalado mixto para en la regi\u00f3n exterior, que se reduce a &#8211; para.  hemos estudiado las propiedades de semejanza del espectro de energ\u00eda en la regi\u00f3n intermedia del flujo, encontrando anomal\u00edas en la relaci\u00f3n entre las lon<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>La organizaci\u00f3n a gran escala de canales turbulentos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 La organizaci\u00f3n a gran escala de canales turbulentos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Alamo De Pedro Juan  Carlos Del <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 13\/06\/2005<\/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>Francisco Javier Jim\u00e9nez Send\u00edn<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: amable Li\u00f1an Martinez <\/li>\n<li>robert Moser (vocal)<\/li>\n<li>cesar Dopazo garcia (vocal)<\/li>\n<li>alfredo Pinelli (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alamo De Pedro Juan Carlos Del En esta tesis se investigan el origen y la organizaci\u00f3n de [&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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