{"id":13290,"date":"2019-03-23T20:57:39","date_gmt":"2019-03-23T19:57:39","guid":{"rendered":"http:\/\/serveiseducatius.xtec.cat\/tarragones\/?p=13290"},"modified":"2019-04-28T07:36:21","modified_gmt":"2019-04-28T05:36:21","slug":"trics13_mllao","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/tarragones\/dinamitzacio\/trics\/trics13_mllao\/","title":{"rendered":"Aerodin\u00e0mica aplicada a l&#8217;automobilisme"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-5353\" title=\"Marc Lla\u00f3 Dom\u00ednguez\" src=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_mllao.jpg\" alt=\"Marc Lla\u00f3 Dom\u00ednguez\" width=\"150\" height=\"200\" \/><strong><span style=\"color: #808080;\"><em>T\u00edtol:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/em><\/span><\/strong><strong>Aerodin\u00e0mica aplicada a l&#8217;automobilisme<\/strong><br \/>\n<strong><em><span style=\"color: #808080;\">Autor\/a:\u00a0\u00a0\u00a0\u00a0<\/span><\/em><\/strong><strong> Marc Lla\u00f3 Dom\u00ednguez<\/strong><br \/>\n<strong><em><span style=\"color: #808080;\">Tutor\/a:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/em><\/strong>Gabriel Calabuig Reig<br \/>\n<strong><em><span style=\"color: #808080;\">Modalitat:\u00a0\u00a0<\/span><\/em><\/strong>Ci\u00e8ncies i tecnologia: Cientificot\u00e8cnic<br \/>\n<strong><em><span style=\"color: #808080;\">\u00c0rea:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/em><\/strong>F\u00edsica<br \/>\n<strong><em><span style=\"color: #808080;\">Centre:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/em><\/strong>Ins Tarragona<br \/>\n<strong><em><span style=\"color: #808080;\">Localitat:\u00a0\u00a0\u00a0<\/span><\/em><\/strong>Tarragona<\/p>\n<h6><strong>Objectius:<\/strong><\/h6>\n<ol>\n<li>Comprensi\u00f3 i aplicaci\u00f3 de les lleis b\u00e0siques de la mec\u00e0nica de fluids.<\/li>\n<li>Dissenyar un element aerodin\u00e0mic propi de l&#8217;automobilisme.<\/li>\n<li>Aprendre a utilitzar tecnologies CFD per a simular el rendiment del disseny.<\/li>\n<li>Dur a terme una simulaci\u00f3 f\u00edsica del disseny.<\/li>\n<\/ol>\n<h6><strong>Hip\u00f2tesi:<\/strong><\/h6>\n<p style=\"text-align: justify;\">\u00c9s l&#8217;aerodin\u00e0mica l&#8217;\u00e0mbit m\u00e9s important per a millorar el rendiment d&#8217;un monopla\u00e7a?<\/p>\n<h6><strong>El proc\u00e9s:<\/strong><\/h6>\n<p style=\"text-align: justify;\">Primerament, es va fer una recerca te\u00f2rica sobre la mec\u00e0nica de fluids, per a comprendre el perqu\u00e8 de les forces que actuen en un monopla\u00e7a, a m\u00e9s d&#8217;una recerca sobre perfils alars, coeficients, etc. Despr\u00e9s d&#8217;assimilar els conceptes f\u00edsics, poc a poc es van anar dissenyant prototips d&#8217;alerons, coneixent el programa i mesurant-ne les mides per a aplicar-hi els c\u00e0lculs pertinents. En haver decidit el disseny final de la pe\u00e7a, es van dur a terme simulacions virtuals per a comparar els resultats amb els c\u00e0lculs te\u00f2rics. A m\u00e9s, es van poder extreure resultats reals de l&#8217;experiment realitzat a l&#8217;EETAC, on es van sotmetre les peces a les condicions simulades en un t\u00fanel de vent, amb vents superiors a 130 km\/h. En tenir els resultats de calculs, simulacions i experiments es van extreure les conclusions num\u00e8riques del treball.<\/p>\n<h6><strong>Conclusions:<\/strong><\/h6>\n<p style=\"text-align: justify;\">Efectivament, l&#8217;aerodin\u00e0mica \u00e9s vital a l&#8217;hora de valorar i millorar el rendiment d&#8217;un monopla\u00e7a. Sobre el disseny, ha complert les espectatives i ha donat resultats bons respecte a les forces obtingudes, per\u00f2 amb difer\u00e8ncies entre c\u00e0lculs i simulacions. Aquest fet pot ser degut a una variaci\u00f3 de la forma inicial del perfil alar, que en varia els coeficients extrets de la recerca inicial (donats per la forma i les caracter\u00edstiques del perfil).<\/p>\n<h6><strong>Bibliografia:<\/strong><\/h6>\n<ul>\n<li>Adrian Newey. <span style=\"color: #808080;\"><strong>How to build a car<\/strong><\/span>. Harper Collins<\/li>\n<li>Jose Messeguer. <span style=\"color: #808080;\"><strong>Aerodin\u00e0mica b\u00e0sica<\/strong><\/span>. Garceta<\/li>\n<li>Fernando Gand\u00eda. <span style=\"color: #808080;\"><strong>Fundamentos de los m\u00e9todos num\u00e9ricos en aerodin\u00e0mica<\/strong><\/span>. Garceta<\/li>\n<\/ul>\n<h6><strong>Llocs Web:<\/strong><\/h6>\n<ul>\n<li><a href=\"https:\/\/albrodpulf1.wordpress.com\/2014\/07\/24\/analisis-carga-aerodinamica-downforce\/\" target=\"_blank\" rel=\"noopener noreferrer\">An\u00e1lisis t\u00e9cnico: carga aerodin\u00e1mica y downforce<\/a><\/li>\n<li><a href=\"http:\/\/www.manualvuelo.com\/PBV\/PBV12.html\" target=\"_blank\" rel=\"noopener noreferrer\">Principios Aerodin\u00e1micos<\/a><\/li>\n<li><a href=\"https:\/\/proyectofluidosgrupo11.wordpress.com\/marco-teorico-y-diseno\/\" target=\"_blank\" rel=\"noopener noreferrer\">Principio de operaci\u00f3n de m\u00e1quinas e\u00f3licas<\/a><\/li>\n<li><a href=\"https:\/\/upcommons.upc.edu\/bitstream\/handle\/2099.1\/5359\/memoria.pdf?sequence=1&amp;isAllowed=y\" target=\"_blank\" rel=\"noopener noreferrer\">Memoria Trabajo Final de carrera: Dise\u00f1o de un aler\u00f3n de veh\u00edculo de competici\u00f3n: comparaci\u00f3n de la simulaci\u00f3n aerodin\u00e1mica num\u00e9rica y la simulaci\u00f3n aerodin\u00e1mica experimental<\/a><\/li>\n<li><a href=\"https:\/\/upcommons.upc.edu\/bitstream\/handle\/2099.1\/24755\/TFG%20memoria.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Mem\u00f2ria Treball Fi de Grau: Elementos y dispositivos aerodin\u00e1micos en la F\u00f3rmula 1: parte central del veh\u00edculo<\/a><\/li>\n<li><a href=\"https:\/\/jasf1961.wordpress.com\/category\/aerodinamica-aerodynamics\/\" target=\"_blank\" rel=\"noopener noreferrer\">Aerodin\u00e1mica del Monoplaza<\/a><\/li>\n<li><a href=\"http:\/\/airfoiltools.com\/airfoil\/details?airfoil=ch10sm-il\" target=\"_blank\" rel=\"noopener noreferrer\">CH10. 2018. Airfoil Tools<\/a><\/li>\n<li><a href=\"https:\/\/www.f1aldia.com\/10650\/tuneles-de-viento-i\/\" target=\"_blank\" rel=\"noopener noreferrer\">T\u00faneles de viento<\/a><\/li>\n<li><a href=\"https:\/\/www.modelaircraft.org\/sites\/default\/files\/HollingerCharlesChuck.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Biography of Charles (Chuck) Hollinger<\/a><\/li>\n<\/ul>\n<h6><strong>Presentaci\u00f3:<\/strong><\/h6>\n<p><iframe loading=\"lazy\" style=\"border: 1px solid #CCC; border-width: 1px; margin-bottom: 5px; max-width: 100%;\" src=\"\/\/www.slideshare.net\/slideshow\/embed_code\/key\/xes5yeEzkM2Xr\" width=\"595\" height=\"485\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\"> <\/iframe><\/p>\n<h6><strong>Fotos:<\/strong><\/h6>\n<div id=\"1234\" style=\"width: 600px; height: 400px; display: none;\"><img decoding=\"async\" src=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge1_mllao.jpg\" data-link=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge1_mllao.jpg\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge2_mllao.jpg\" data-link=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge2_mllao.jpg\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge3_mllao.jpg\" data-link=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge3_mllao.jpg\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge4_mllao.jpg\" data-link=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge4_mllao.jpg\" \/><br \/>\n<script type=\"text\/javascript\" src=\"https:\/\/cdn.jsdelivr.net\/jquery\/1.12.3\/jquery.min.js\"><\/script><br \/>\n<script>\n (MyGalleries=(typeof MyGalleries === 'undefined' ? [] : MyGalleries)).push({gallId:'#1234',autoplay:true,lightbox:true,debug:false,popupLinks:true});\n if(typeof GalleryLoaded === 'undefined'){\n  GalleryLoaded = jQuery(function(){\n   jQuery.ajax({url:'https:\/\/cdn.jsdelivr.net\/galleria\/1.4.2\/galleria.min.js',dataType:'script',cache:true}).done(function(){\n    Galleria.loadTheme('https:\/\/cdn.jsdelivr.net\/galleria\/1.4.2\/themes\/classic\/galleria.classic.js');\n    for(var n in MyGalleries){\n     Galleria.run(MyGalleries[n].gallId, MyGalleries[n]);\n     jQuery(MyGalleries[n].gallId).css('display','block');\n    }\n   });\n  });\n }\n<\/script><\/div>\n<p>&nbsp;<\/p>\n<div><sup><em>Foto 1.- La imatge mostra una simulaci\u00f3 virtual en la que es pot apreciar el recorregut del flux d&#8217;aie i com en varia la velocitat a mesura que travessa el perfil alar que correspon al disseny de l&#8217;aler\u00f3.<\/em><\/sup><br \/>\n<sup><em>Foto 2.- La imatge mostra com est\u00e0 col\u00b7locat el model de l&#8217;aler\u00f3 en el t\u00fanel de vent. <\/em><\/sup><br \/>\n<sup><em>Foto 3.- La imatge mostra com \u00e9s el disseny final de l&#8217;aler\u00f3, utilitzat en les simulacions virtuals.<\/em><\/sup><br \/>\n<sup><em>Foto 4.- La imatge mostra com s\u00f3n les peces impreses de l&#8217;ala i l&#8217;aler\u00f3 abans de ser montades per a posar-les al t\u00fanel de vent.<\/em><\/sup><\/div>\n<h6><strong>\u00a0<\/strong><\/h6>\n","protected":false},"excerpt":{"rendered":"<p>Marc Lla\u00f3 Dom\u00ednguez<\/p>\n","protected":false},"author":1,"featured_media":13291,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"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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