{"id":38803,"date":"1998-12-11T00:00:00","date_gmt":"1998-12-11T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/optimacion-de-un-sistema-inductivo-de-caracterizacion-magnetica\/"},"modified":"1998-12-11T00:00:00","modified_gmt":"1998-12-11T00:00:00","slug":"optimacion-de-un-sistema-inductivo-de-caracterizacion-magnetica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/optimacion-de-un-sistema-inductivo-de-caracterizacion-magnetica\/","title":{"rendered":"Optimacion de un sistema inductivo de caracterizacion magnetica."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jorge Fernandez Liesa <\/strong><\/h2>\n<p>Para desarrollar este trabajo se ha construido una instalaci\u00f3n de medida de susceptibilidad din\u00e1mica e imanci\u00f3n est\u00e1tica en el rango de temperaturas de 2 a 330 k, con campos a.C. De hasta 80000 a\/m y campos d.C. Hasta 5 t, completamente automatizada.  el n\u00facleo de los sistemas inductivos de medida de imanaci\u00f3n y de susceptibilidad es el sistema de bobinas que detecta el momento magn\u00e9tico de la muestra. En esta tesis se pretende optimizar el conjunto de bobinas formado por el primario y el secundario.  para ello, en primer lugar se desarrolla el m\u00e9todo inverso para la medida de la susceptibilidad, basado en el c\u00e1lculo del campo magn\u00e9tico que generar\u00eda el secundario por unidad de corriente, b1a. Un secundario \u00f3ptimo se obtiene con campos b1a homog\u00e9neos en la zona de la muestra. La optimaci\u00f3n de la geometr\u00eda del secundario para la medida de la imanaci\u00f3n requiere una ampliaci\u00f3n del m\u00e9todo inverso. Para el caso m\u00e1s sencillo y frecuente, la optimaci\u00f3n del secundario corresponde a derivadas de b1a respecto a la direcci\u00f3n del desplazamiento homog\u00e9neas. Se han construido y caracterizado bobinados secundarios de geometr\u00eda cl\u00e1sica y optimizada, resultando estos \u00faltimos poco sensibles a errores en el centrado o a la longitud de la muestra.  otra mejora deseable de las bobinas ser\u00eda una mayor facilidad para la medida de la susceptibilidad a distintas frecuencias. El modelo el\u00e9ctrico propuesto permite entender y mejorar el comportamiento del primario, de la se\u00f1al de fondo en el secundario y de la variaci\u00f3n de la sensibilidad del secundario, fen\u00f3menos de gran importancia que por primera vez quedan explicados mediante un \u00fanico modelo global de las bobinas.  respecto a la t\u00e9cnica de medida, se ha desarrollado un nuevo procedimiento para la imanaci\u00f3n basado en el desplazamiento peri\u00f3dico y de alta repetibilidad de la muestra que emplea la detecci\u00f3n s\u00edncrona. Con este m\u00e9todo se ha mejorado en casi d<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Optimacion de un sistema inductivo de caracterizacion magnetica.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Optimacion de un sistema inductivo de caracterizacion magnetica. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jorge Fernandez Liesa <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 12\/11\/1998<\/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>Conrado Rillo  Millan<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: rafael Navarro linares <\/li>\n<li>abelardo Mart\u00ednez iturbe (vocal)<\/li>\n<li>Luis Garc\u00eda tabares (vocal)<\/li>\n<li>Antonio Bad\u00eda maj\u00f3s (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jorge Fernandez Liesa Para desarrollar este trabajo se ha construido una instalaci\u00f3n de medida de susceptibilidad din\u00e1mica [&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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