{"id":66048,"date":"2008-08-07T00:00:00","date_gmt":"2008-08-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/caracterizacion-reologica-de-suspensiones-de-dioxido-de-silicio-pirogenico-en-polipropilenglicol\/"},"modified":"2008-08-07T00:00:00","modified_gmt":"2008-08-07T00:00:00","slug":"caracterizacion-reologica-de-suspensiones-de-dioxido-de-silicio-pirogenico-en-polipropilenglicol","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica-de-fluidos\/caracterizacion-reologica-de-suspensiones-de-dioxido-de-silicio-pirogenico-en-polipropilenglicol\/","title":{"rendered":"Caracterizaci\u00f3n reol\u00f3gica de suspensiones de di\u00f3xido de silicio pirog\u00e9nico en polipropilenglicol"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Francisco Jose Galindo Rosales <\/strong><\/h2>\n<p>El uso del di\u00f3xido de silicio pirog\u00e9nico como agente modificador de las propiedades reol\u00f3gicas es una pr\u00e1ctica com\u00fan en la b\u00fasqueda de sistemas materiales con comportamientos de flujo a la carta. La qu\u00edmica superficial de las part\u00edculas de s\u00edlica fumada determina su car\u00e1cter hidrof\u00edlico o hidrof\u00f3blico, haciendo que las interacciones con otras part\u00edculas y con el medio que las dispersa den lugar a suspensiones no floculadas, floculadas o geles coloidales. en este estudio se analizan las suspensiones de tres tipos de di\u00f3xido de silicio pirog\u00e9nico, uno hidrof\u00edlico (a200), uno parcialmente hidrof\u00f3bico (r805) y otro totalmente hidrof\u00f3bico (r816), en polipropilenglicol de dos masas moleculares distintas (400 y 2000 g\/mol), con el objeto de determinar la influencia en el comportamiento reol\u00f3gico tanto de la qu\u00edmica superficial de la part\u00edcula como de la longitud de las mol\u00e9culas de la matriz polim\u00e9rica. Se presta especial inter\u00e9s en la definici\u00f3n de un protocolo de precizalla, que permita borrar la historia de deformaci\u00f3n previa de estos sistemas sin desnaturalizarlos, y en an\u00e1lisis de los comportamientos transitorios. teniendo en cuenta que en la mayor\u00eda de procesos industriales el transporte se produce por tuber\u00eda, se completa el trabajo con la resoluci\u00f3n, mediante t\u00e9cnicas num\u00e9ricas, del problema de flujo en conducto de secci\u00f3n circular en r\u00e9gimen laminar, estacionario y desarrollado de las suspensiones de di\u00f3xido de silicio pirog\u00e9nico en polipropilenglicol aqu\u00ed contempladas, para lo cual ha sido necesario definir previamente sus ecuaciones constitutivas en estado estacionario. De este modo, se hace uso de las tres ramas de la reolog\u00eda (reometr\u00eda, reolog\u00eda te\u00f3rica y reolog\u00eda computacional).<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Caracterizaci\u00f3n reol\u00f3gica de suspensiones de di\u00f3xido de silicio pirog\u00e9nico en polipropilenglicol<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Caracterizaci\u00f3n reol\u00f3gica de suspensiones de di\u00f3xido de silicio pirog\u00e9nico en polipropilenglicol <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Francisco Jose Galindo Rosales <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 M\u00e1laga<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 08\/07\/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 Jos\u00e9 Rubio Hern\u00e1ndez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: gerardo Pardo sanchez <\/li>\n<li>Carlos j. Mart\u00ednez baz\u00e1n (vocal)<\/li>\n<li>Jos\u00e9 r. Ramos barrado (vocal)<\/li>\n<li>cr\u00edspulo Gallegos montes (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Francisco Jose Galindo Rosales El uso del di\u00f3xido de silicio pirog\u00e9nico como agente modificador de las propiedades [&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":[200,1909,7834,1126],"tags":[145577,43637,145576,144682,3695,145578],"class_list":["post-66048","post","type-post","status-publish","format-standard","hentry","category-fisica-de-fluidos","category-ingenieria-y-tecnologia-mecanicas","category-malaga","category-tecnologia-de-materiales","tag-carlos-j-Martinez-bazan","tag-crispulo-gallegos-montes","tag-francisco-jose-galindo-rosales","tag-francisco-jose-rubio-hernandez","tag-gerardo-pardo-sanchez","tag-jose-r-ramos-barrado"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/66048","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=66048"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/66048\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=66048"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=66048"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=66048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}