{"id":39,"date":"2023-02-25T08:51:05","date_gmt":"2023-02-25T06:51:05","guid":{"rendered":"https:\/\/webs.uab.cat\/deleuroaljoule\/?p=39"},"modified":"2023-02-26T21:54:07","modified_gmt":"2023-02-26T19:54:07","slug":"energia-per-als-trens","status":"publish","type":"post","link":"https:\/\/webs.uab.cat\/deleuroaljoule\/2023\/02\/25\/energia-per-als-trens\/","title":{"rendered":"Energia per als trens"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">El transport ferroviari \u00e9s un dels transports m\u00e9s sostenibles dels que existeixen. El fet que funcioni amb energia el\u00e8ctrica fa que tingiui dos avantatges. Primerament l\u2019efici\u00e8ncia dels motors el\u00e8ctrics \u00e9s significativament superior a la dels motors de combusti\u00f3 . En segon lloc, els motors el\u00e8ctrics tenen la possibilitat de funcionar a la inversa com generadors, cosa que els permet en certes ocasions recuperar part de l\u2019energia cin\u00e8tica i guardar-la en energia el\u00e8ctrica. Per contra, el seu elevat pes fa que la quantitat de passatgers que ha de transportar hagi de superar un l\u00edmit determinat per arribar a l\u2019efici\u00e8ncia \u00f2ptima. En aquest cap\u00edtol estudiarem la f\u00edsica relacionada amb el transport a trav\u00e9s de l\u00ednies f\u00e8rrees, estudiant diferents tipus de transport, el tren de rodalies, el tren d\u2019alta velocitat i el tranvia.<\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/webs.uab.cat\/deleuroaljoule\/wp-content\/uploads\/sites\/350\/2023\/02\/transport_ferroviari.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Incrustaci\u00f3 del fitxer Incrustaci\u00f3 del fitxer TRANSPORT FERROVIARI..\"><\/object><a id=\"wp-block-file--media-2d4224f2-c72f-4a8a-a463-cde976542cf1\" href=\"https:\/\/webs.uab.cat\/deleuroaljoule\/wp-content\/uploads\/sites\/350\/2023\/02\/transport_ferroviari.pdf\">TRANSPORT FERROVIARI<\/a><a href=\"https:\/\/webs.uab.cat\/deleuroaljoule\/wp-content\/uploads\/sites\/350\/2023\/02\/transport_ferroviari.pdf\" class=\"wp-block-file__button\" download aria-describedby=\"wp-block-file--media-2d4224f2-c72f-4a8a-a463-cde976542cf1\">BaixA<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>El transport ferroviari \u00e9s un dels transports m\u00e9s sostenibles dels que existeixen. El fet que funcioni amb energia el\u00e8ctrica fa que tingiui dos avantatges. Primerament l\u2019efici\u00e8ncia dels motors el\u00e8ctrics \u00e9s significativament superior a la dels motors de combusti\u00f3 . En segon lloc, els motors el\u00e8ctrics tenen la possibilitat de funcionar a la inversa com generadors, [&hellip;]<\/p>\n","protected":false},"author":1389,"featured_media":40,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,4],"tags":[],"class_list":["post-39","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-llibre","category-transport"],"_links":{"self":[{"href":"https:\/\/webs.uab.cat\/deleuroaljoule\/wp-json\/wp\/v2\/posts\/39","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/webs.uab.cat\/deleuroaljoule\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/webs.uab.cat\/deleuroaljoule\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/webs.uab.cat\/deleuroaljoule\/wp-json\/wp\/v2\/users\/1389"}],"replies":[{"embeddable":true,"href":"https:\/\/webs.uab.cat\/deleuroaljoule\/wp-json\/wp\/v2\/comments?post=39"}],"version-history":[{"count":8,"href":"https:\/\/webs.uab.cat\/deleuroaljoule\/wp-json\/wp\/v2\/posts\/39\/revisions"}],"predecessor-version":[{"id":190,"href":"https:\/\/webs.uab.cat\/deleuroaljoule\/wp-json\/wp\/v2\/posts\/39\/revisions\/190"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/webs.uab.cat\/deleuroaljoule\/wp-json\/wp\/v2\/media\/40"}],"wp:attachment":[{"href":"https:\/\/webs.uab.cat\/deleuroaljoule\/wp-json\/wp\/v2\/media?parent=39"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/webs.uab.cat\/deleuroaljoule\/wp-json\/wp\/v2\/categories?post=39"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/webs.uab.cat\/deleuroaljoule\/wp-json\/wp\/v2\/tags?post=39"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}