{"id":152738,"date":"2026-01-12T16:42:41","date_gmt":"2026-01-12T16:42:41","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/efectos-geometricos-en-la-ignicion-de-solidos\/"},"modified":"2026-01-12T16:42:41","modified_gmt":"2026-01-12T16:42:41","slug":"efectos-geometricos-en-la-ignicion-de-solidos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/efectos-geometricos-en-la-ignicion-de-solidos\/","title":{"rendered":"Efectos geometricos en la ignicion de solidos."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Carlos Vazquez Espi <\/strong><\/h2>\n<p>Se analiza, mediante tecnicas asintoticas basadas en grandes energias de activacion, la influencia de los efectos geometricos en la ignicion de solidos producida por un aumento brusco de la temperatura superficial. Las situaciones consideradas corresponden a solidos cuya superficie es regular, siendo el radio de curvatura comparable al tama\u00f1o del solido, y a solidos cuya superficie presenta una arista que puede asimilarse a una esquina en un solido bidimensional. Si el numero de damkohler es suficientemente grande, el solido puede considerarse como semiinfinito y el problema de la ignicion adquiere caracter universal. Durante la etapa inicial, la estructura de la zona de reaccion esta determinada por un problema cuasiestacionario, que no admite solucion para tiempos mayores que un cierto valor critico, en el cual la derivada temporal de la temperatura se hace infinita en algun punto. La etapa de transicion, que es corta comparada con la inicial, comienza en instantes proximos al critico cuando no pueden despreciarse los efectos no estacionarios.  su analisis determina el instante de ignicion como aquel en que tanto la temperatura como su derivada dejan de estar acotadas.  a continuacion se generalizan los resultados anteriores para describir la ignicion de solidos finitos cuando en numero de damkohler no es muy grande frente a la unidad; en el caso en que este es de orden unidad se desarrolla una teoria asintotica que divide el proceso en dos etapas: calentamiento inerte e ingnicion. Finalmente se analiza el efecto del consumo de reactante en los casos planos y de esquina, suponiendo que la cinetica quimica puede modelarse mediante una reaccion del tipo r-p.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Efectos geometricos en la ignicion de solidos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Efectos geometricos en la ignicion de solidos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Carlos Vazquez Espi <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1990<\/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>Amable Li\u00f1an Martinez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Parra Fabian Ignacio Esteban <\/li>\n<li> Vega De Prada Jos\u00e9 Manuel (vocal)<\/li>\n<li>Francisco Higuera Anton (vocal)<\/li>\n<li> Diaz Diaz Jes\u00fas Ildefonso (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Carlos Vazquez Espi Se analiza, mediante tecnicas asintoticas basadas en grandes energias de activacion, la influencia 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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