{"id":41991,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/analisis-dinamico-de-cables-espaciales-tethers-aplicaciones-a-la-dinamica-orbital\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"analisis-dinamico-de-cables-espaciales-tethers-aplicaciones-a-la-dinamica-orbital","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/analisis-dinamico-de-cables-espaciales-tethers-aplicaciones-a-la-dinamica-orbital\/","title":{"rendered":"Analisis dinamico de cables espaciales (tethers). aplicaciones a la dinamica orbital."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Manuel Ruiz  Delgado <\/strong><\/h2>\n<p>Se estudian varios problemas relacionados con la din\u00e1mica de amarras espaciales.  en primer lugar se aborda el problema de la optimizaci\u00f3n de la inyecci\u00f3n orbital de un sat\u00e9lite por transferencia de momento cin\u00e9tico, utilizando una amarra espacial que posteriormente se descarta. El criterio de optimizaci\u00f3n es maximizar la vida \u00fatil del sat\u00e9lite. aunque el estudio es de inter\u00e9s general, se hace una aplicaci\u00f3n num\u00e9rica al caso del sat\u00e9lite sedsat. Se analizan diversos criterios para calcular o estimar la vida \u00fatil, y varias estrategias para optimizar el proceso de inyecci\u00f3n.  a continuaci\u00f3n, se analiza la estabilidad del movimiento del sistema amarra-sat\u00e9lite como s\u00f3lido r\u00edgido, manteniendo una forma rectil\u00ednea (movimiento pendular). con las simplifocaciones introducidas, se pueden resolver las ecuaciones por separaci\u00f3n de variables, y se calculan por distintos caminos las autofunciones y los autovalores para las oscilaciones transversales. el movimiento resulta ser inestable, pero el tiempo que tardan en crecer los modos inestables es razonablemente largo.  sin embargo, no queda margen para errores. Por tanto, se propone una modificaci\u00f3n simple y barata del procedimiento que mejora tanto la vida como la estabilidad.  finalmente, se hace un estudio de la influencia de la excentricidad de la \u00f3rbita en el proceso de despliege. se analiza la sensitividad a los distintos par\u00e1metros, y se identifican rangos en los que el proceso no est\u00e1 afectado por la excentricidad. Se explora la posibilidad de desplegar cables de gran longitud en menos de una \u00f3rbita, y la de evitar las zonas de mayor resistencia aerodin\u00e1mica en \u00f3rbitas de perigeo bajo.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Analisis dinamico de cables espaciales (tethers). aplicaciones a la dinamica orbital.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Analisis dinamico de cables espaciales (tethers). aplicaciones a la dinamica orbital. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Manuel Ruiz  Delgado <\/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\/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>Jes\u00fas Pelaez Alvarez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan  ramon Sanmart\u00edn losada <\/li>\n<li>c. Lorenzini enrico (vocal)<\/li>\n<li>Manuel Martinez sanchez (vocal)<\/li>\n<li>martin Lara coira (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Manuel Ruiz Delgado Se estudian varios problemas relacionados con la din\u00e1mica de amarras espaciales. en primer lugar [&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":[332,199,202,28680,16008,16277],"tags":[105968,105967,22766,105969,105966,105970],"class_list":["post-41991","post","type-post","status-publish","format-standard","hentry","category-ciencias-tecnologicas","category-fisica","category-mecanica","category-mecanica-de-medios-continuos","category-politecnica-de-madrid","category-tecnologia-espacial","tag-c-lorenzini-enrico","tag-jesus-pelaez-alvarez","tag-juan-ramon-sanmartin-losada","tag-manuel-Martinez-sanchez","tag-manuel-ruiz-delgado","tag-martin-lara-coira"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/41991","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=41991"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/41991\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=41991"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=41991"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=41991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}