{"id":21846,"date":"2018-03-09T09:11:47","date_gmt":"2018-03-09T09:11:47","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/roughness-experiments-of-viscous-fluid-interfaces-in-disordered-hele-shaw-cells\/"},"modified":"2018-03-09T09:11:47","modified_gmt":"2018-03-09T09:11:47","slug":"roughness-experiments-of-viscous-fluid-interfaces-in-disordered-hele-shaw-cells","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/roughness-experiments-of-viscous-fluid-interfaces-in-disordered-hele-shaw-cells\/","title":{"rendered":"Roughness experiments of viscous fluid interfaces in disordered hele-shaw cells"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jordi Soriano Fradera <\/strong><\/h2>\n<p>Se presenta un trabajo experimental sobre el crecimiento de interf\u00edcies rugosas en medios desordenados. El experimento consiste en una celda de hele-shaw en cuya placa inferior se han distribuido una serie de obst\u00e1culos de cobre que hacen la funci\u00f3n de desorden congelado. Un aceite de silicona es inyectado por uno de los extremos de la celda desplazando el aire incialmente presente. El frente es estable por contraste de viscosidad pero se hace rugoso debido a la presencia del desorden. Los experimentos realizados se pueden clasificar en dos grupos principales seg\u00fan el tipo de mecanismo utilizado para la inyecci\u00f3n del aceite: a- velocidad constante y b- presi\u00f3n constante.  para el caso a- se han realizado multitud de experimentos variando la velocidad del fluido, el espaciado entre placas en la celda de hele-shaw y la configuraci\u00f3n del desorden. Se ha observado que cuando la velocidad promedio del aceite es alta y\/o la longitud de correlaci\u00f3n del desorden en la direcci\u00f3n de crecimiento es baja (desorden d\u00e9bil), entonces el escalamiento de las fluctuaciones de la interf\u00edcie sigue el escalamiento din\u00e1mico de family-vicsek, con un exponente de crecimiento de beta=0,50 independiente de la velocidad promedio de la interface, espaciado entre placas y configuraci\u00f3n del desorden. Tambi\u00e9n se ha estudiado del exponente de rugosidad, encontrando dos reg\u00edmenes, alfa-1 a escalas peque\u00f1as y alfa-2 a escalas grandes, con unos valores que dependen de la velocidad promedio, el espaciado entre placas y la configuraci\u00f3n del desorden. Para velocidades grandes se obtienen un valor l\u00edmite de alfa 1=1,3 y alfa 2=0 independientemente de los par\u00e1metros experimentales. Tambi\u00e9n se ha caracterizado el punto de crossover entre alfa-1  y alfa-2, el cual escala con la velocidad con un exponente 0.5, de acuerdo con predicciones te\u00f3ricas. Cuando la longitud de correlaci\u00f3n del desorden es muy grande (desorden fuerte) se hace necesario introducir el esc<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Roughness experiments of viscous fluid interfaces in disordered hele-shaw cells<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Roughness experiments of viscous fluid interfaces in disordered hele-shaw cells <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jordi Soriano Fradera <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 28\/02\/2003<\/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>Jorge Ort\u00edn Rull<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 m Sancho herrero <\/li>\n<li>rodolfo Cuerno rejado (vocal)<\/li>\n<li> Rodriguez d\u00edaz Miguel \u00e1ngel (vocal)<\/li>\n<li>Jorge n Maloy knut (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jordi Soriano Fradera Se presenta un trabajo experimental sobre el crecimiento de interf\u00edcies rugosas en medios desordenados. [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[951,199,200,1008,18041,5378],"tags":[65660,51335,58131,33759,14549,51334],"class_list":["post-21846","post","type-post","status-publish","format-standard","hentry","category-barcelona","category-fisica","category-fisica-de-fluidos","category-fisica-del-estado-solido","category-flujos-de-fluidos","category-interfases","tag-jordi-soriano-fradera","tag-jorge-n-maloy-knut","tag-jorge-ortin-rull","tag-jose-m-sancho-herrero","tag-rodolfo-cuerno-rejado","tag-rodriguez-diaz-miguel-angel"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/21846","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=21846"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/21846\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=21846"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=21846"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=21846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}