{"id":63667,"date":"2018-03-09T22:51:36","date_gmt":"2018-03-09T22:51:36","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/the-dynamics-of-the-outer-region-of-wall-bounded-turbulence-la-dinamica-de-la-zona-exterior-en-la-turbulencia-de-pared\/"},"modified":"2018-03-09T22:51:36","modified_gmt":"2018-03-09T22:51:36","slug":"the-dynamics-of-the-outer-region-of-wall-bounded-turbulence-la-dinamica-de-la-zona-exterior-en-la-turbulencia-de-pared","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/mecanica-de-fluidos\/the-dynamics-of-the-outer-region-of-wall-bounded-turbulence-la-dinamica-de-la-zona-exterior-en-la-turbulencia-de-pared\/","title":{"rendered":"The dynamics of the outer region of wall-bounded turbulence (la din\u00e1mica de la zona exterior en la turbulencia de pared)"},"content":{"rendered":"<h2>Tesis doctoral de <strong> \u00f3scar Flores Arias <\/strong><\/h2>\n<p>La turbulencia, y en concreto la turbulencia de pared, juega un papel fundamental en gran cantidad de aplicaciones tecnol\u00f3gicas e ingenieriles. El principal objetivo de esta tesis es analizar el efecto que la zona m\u00e1s cercana a la pared tiene en la cinem\u00e1tica y la din\u00e1mica del resto del flujo. Para ello, se han modificado las condiciones de contorno de un c\u00f3digo de simulaci\u00f3n num\u00e9rica directa de canales turbulentos, imponiendo perturbaciones de velocidad estacionarias en las paredes. Como resultado de este forzado se observa un cambio dr\u00e1stico en la turbulencia cerca de la pared, similar al producido por la rugosidad de la pared. Pese a los cambios en la din\u00e1mica de la zona de la pared, las estructuras de velocidad de la zona exterior del flujo son pr\u00e1cticamente id\u00e9nticas sobre paredes lisas y perturbadas. Adem\u00e1s, la condici\u00f3n de contorno en la pared tampoco es capaz de modificar las propiedades estad\u00edsticas de los racimos de torbellinos ligados de las zonas logar\u00edtmica y exterior. Esto sugiere que la din\u00e1mica de esta parte del flujo tampoco depende de la zona de la pared. Basado en estos resultados, se ha desarrollado un modelo din\u00e1mico lineal para la zona logar\u00edtmica, que es capaz de representar la generaci\u00f3n de estr\u00edas en la capa logar\u00edtmica. El an\u00e1lisis de los fallos del modelo lineal sugiere que la din\u00e1mica de la zona logar\u00edtmica puede estar subordinada a las estructuras de la zona exterior, invirtiendo el flujo de causalidad asumido normalmente en la turbulencia de pared.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>The dynamics of the outer region of wall-bounded turbulence (la din\u00e1mica de la zona exterior en la turbulencia de pared)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 The dynamics of the outer region of wall-bounded turbulence (la din\u00e1mica de la zona exterior en la turbulencia de pared) <\/li>\n<li><strong>Autor:<\/strong>\u00a0 \u00f3scar Flores Arias <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 28\/03\/2008<\/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\u00f1\u00e1n mart\u00ednez <\/li>\n<li>per \u00ed\u00a4ge krogstad (vocal)<\/li>\n<li>c\u00e9sar Dopazo Garc\u00eda (vocal)<\/li>\n<li>markus Uhlmann (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de \u00f3scar Flores Arias La turbulencia, y en concreto la turbulencia de pared, juega un papel fundamental en [&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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