{"id":41778,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/desarrollo-del-modelo-matematico-para-hallar-las-condiciones-de-torsion-y-fijacion-en-funcion-de-las-caracteristicas-de-hilos-de-poliester-previamente-texturados\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"desarrollo-del-modelo-matematico-para-hallar-las-condiciones-de-torsion-y-fijacion-en-funcion-de-las-caracteristicas-de-hilos-de-poliester-previamente-texturados","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/desarrollo-del-modelo-matematico-para-hallar-las-condiciones-de-torsion-y-fijacion-en-funcion-de-las-caracteristicas-de-hilos-de-poliester-previamente-texturados\/","title":{"rendered":"Desarrollo del modelo matematico para hallar las condiciones de torsion y  fijacion en funcion de las caracteristicas de hilos de poliester  previamente texturados."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Gabriel Guillen Buendia <\/strong><\/h2>\n<p>En la presente tesis, se estudia la influencia de las condiciones de torsi\u00f3n y fijaci\u00f3n en las caracter\u00edsticas mec\u00e1nicas de los hilos de poli\u00e9ster previamente texturados, que en los \u00faltimos a\u00f1os se vienen empleando como hilos crep\u00e9.  para ello, se han procesado en autoclave horizontal (serie br de la casa pozzi) hilos de poli\u00e9ster retorcido por el sistema de doble torsi\u00f3n (serie 6c 96 dn de rpr) y previamente texturados por el proceso dty (espec\u00edficamente tty con una m\u00e1quina de la serie 35d90x4v de rpr, en cuyo procedimiento para conferir la falsa torsi\u00f3n emple\u00f3 discos de fricci\u00f3n cer\u00e1micos) de 100 y 167 dtex, e hilo estirado-texturado bobinado en cop de 340 dtex.  se ha modelizado la viscoelasticidad de cada uno de estos hilos a trav\u00e9s de modelos mecanicistas formados por muelles y \u00e9mbolos (la componente el\u00e1stica se halla representada por el muelle, y por su comportamiento, estar\u00eda relacionado con la respuesta instant\u00e1nea al esfuerzo recibido por la variaci\u00f3n de las dimensiones que ser\u00edan recobradas al cesar el esfuerzo. mientras que el \u00e9mbolo explica la variaci\u00f3n de las dimensiones que se producen a lo largo del tiempo en un material, ya sea durante la aplicaci\u00f3n del esfuerzo, o bien despu\u00e9s de cesar el mismo y estar\u00eda relacionado con las tensiones internas acumuladas en el material, que se liberan gradualmente). como lo son los modelos potencial, maxwell, maxwell modificado, vangheluwe y finalmente vangheluwe modificado. as\u00ed mismo, se obtuvieron ecuaciones de regresi\u00f3n m\u00faltiple, por el procedimiento \u00abstepwise\u00bb, para las propiedades mec\u00e1nicas de los hilos estudiados en funci\u00f3n de las condiciones de los procesos aplicados.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Desarrollo del modelo matematico para hallar las condiciones de torsion y  fijacion en funcion de las caracteristicas de hilos de poliester  previamente texturados.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Desarrollo del modelo matematico para hallar las condiciones de torsion y  fijacion en funcion de las caracteristicas de hilos de poliester  previamente texturados. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Gabriel Guillen Buendia <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de catalunya<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1999<\/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>Arun Raghunath Naik Kardile<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: gabriel Eugenio Valencia <\/li>\n<li>albert Manich bou (vocal)<\/li>\n<li>josefina Maillo garrido (vocal)<\/li>\n<li>ussaman Mahomed (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Gabriel Guillen Buendia En la presente tesis, se estudia la influencia de las condiciones de torsi\u00f3n y [&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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