{"id":71641,"date":"2004-03-12T00:00:00","date_gmt":"2004-03-12T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/modelos-de-simulacion-en-ramales-de-riego\/"},"modified":"2004-03-12T00:00:00","modified_gmt":"2004-03-12T00:00:00","slug":"modelos-de-simulacion-en-ramales-de-riego","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-agrarias\/modelos-de-simulacion-en-ramales-de-riego\/","title":{"rendered":"Modelos de simulaci\u00f3n en ramales de riego."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Pedro Vallesquino Laguna <\/strong><\/h2>\n<p>En el presente trabajo se han revisado y analizado los m\u00e9todos de c\u00e1lculo m\u00e1s frecuentemente usados a la hora de simular el comportamiento hidr\u00e1ulico de ramales de riego. Tras esta labor se ha podido constatar que no existe una aproximaci\u00f3n \u00fanica, comparable con el m\u00e9todo sbs en cuanto a resultados y aplicabilidad, que sirva para reducir el volumen de computaci\u00f3n requerido  cuando se pretendeobteneruna soluci\u00f3n precisa.  como respuesta a la situaci\u00f3n descrita, en esta tesis doctoral se ha desarrollado un esquema de c\u00e1lculo nuevo de aproximaciones sucesivas, capaz de ser aplicable a la tipolog\u00eda diversa de los ramales de riego. Es caracter\u00edstico del algoritmo creado que los caudales emitidos y circulantes, los factores de fricci\u00f3n y los coeficientes de p\u00e9rdidas locales, asociados a los diversos segmentos que conforman un ramal, sean tratados de forma variable y discreta para lograr as\u00ed una aproximaci\u00f3n m\u00e1s realista al problema que se  plantea.  para verificar la bondad del nuevo modelo se ha llevado a cabo un proceso experimental con diversos ramales en los que se instalaron los goteros netafim no compensante de 4 1ih, c.C. Helicoidal (de fabricaci\u00f3n propia), netafim autocompensante de 4 iih y el aspersor vyr-35. Puede destacarse de esta labor que las predicciones te\u00f3ricas dadas por el algoritmo propio o por el c\u00e1lculo \u00abpaso a paso\u00bb (sbs) son pr\u00e1cticamente equivalentes, y que las divergencias de ambos m\u00e9todos respecto de los valores observados son inferiores al 2.9 % y al 5.7%, respectivamente, cuando se trata de estimar la altura de presi\u00f3n en cabecera de ramal o el caudal descargado por un emisor dado. De las comparaciones realizadas entre el m\u00e9todo sbs y otros modelos altemativos, como el de anwar o diversas variantes egl, se deduce que estas aproximaciones dan unas estimaciones bastante acertadas en buena parte de los casos, aunqueno mejoresa las del m\u00e9todo propuestoen cualquierade sus variantes.  en lo<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Modelos de simulaci\u00f3n en ramales de riego.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Modelos de simulaci\u00f3n en ramales de riego. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Pedro Vallesquino Laguna <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 03\/12\/2004<\/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> Luque Escamilla Pedro Luis<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jos\u00e9 Rold\u00e1n ca\u00f1as <\/li>\n<li> Tarjuelo martin benito Jos\u00e9 Mar\u00eda (vocal)<\/li>\n<li>Emilio Camacho poyato (vocal)<\/li>\n<li>Jos\u00e9 Mart\u00ednez aroza (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Pedro Vallesquino Laguna En el presente trabajo se han revisado y analizado los m\u00e9todos de c\u00e1lculo m\u00e1s [&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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