{"id":8407,"date":"2025-02-13T11:31:12","date_gmt":"2025-02-13T10:31:12","guid":{"rendered":"https:\/\/agora.xtec.cat\/iesitaca\/?p=8407"},"modified":"2025-02-13T11:31:12","modified_gmt":"2025-02-13T10:31:12","slug":"per-que-fa-fred-una-nevera","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/iesitaca\/batxillerat\/per-que-fa-fred-una-nevera\/","title":{"rendered":"PER QU\u00c8 FA FRED UNA NEVERA?"},"content":{"rendered":"<p><b><a href=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/1-tec.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-8409\" src=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/1-tec-225x300.jpeg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/1-tec-225x300.jpeg 225w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/1-tec-768x1024.jpeg 768w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/1-tec-1152x1536.jpeg 1152w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/1-tec.jpeg 1200w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a> <a href=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/2-tec.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-8410\" src=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/2-tec-300x225.jpeg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/2-tec-300x225.jpeg 300w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/2-tec-1024x768.jpeg 1024w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/2-tec-768x576.jpeg 768w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/2-tec-1536x1152.jpeg 1536w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/2-tec-200x150.jpeg 200w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/2-tec.jpeg 1600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/3-tec.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-8411\" src=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/3-tec-225x300.jpeg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/3-tec-225x300.jpeg 225w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/3-tec-768x1024.jpeg 768w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/3-tec-1152x1536.jpeg 1152w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/3-tec.jpeg 1200w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a> <a href=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/4-tec.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-8412\" src=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/4-tec-225x300.jpeg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/4-tec-225x300.jpeg 225w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/4-tec-768x1024.jpeg 768w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/4-tec-1152x1536.jpeg 1152w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/4-tec.jpeg 1200w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a> <a href=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/5-tec.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-8413\" src=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/5-tec-300x225.jpeg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/5-tec-300x225.jpeg 300w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/5-tec-1024x768.jpeg 1024w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/5-tec-768x576.jpeg 768w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/5-tec-1536x1152.jpeg 1536w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/5-tec-200x150.jpeg 200w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/5-tec.jpeg 1600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/6-tec.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-8414\" src=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/6-tec-225x300.jpeg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/6-tec-225x300.jpeg 225w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/6-tec-768x1024.jpeg 768w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/6-tec-1152x1536.jpeg 1152w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/6-tec.jpeg 1200w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a> <a href=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/7-tec.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-8415\" src=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/7-tec-225x300.jpeg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/7-tec-225x300.jpeg 225w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/7-tec-768x1024.jpeg 768w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/7-tec-1152x1536.jpeg 1152w, https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/7-tec.jpeg 1200w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a>Alumnat de 2n de Batxillerat \u2013 Tecnologia i Enginyeria<\/b><\/p>\n<p>El passat 29 de gener de 2025, l\u2019alumnat de la mat\u00e8ria optativa de Tecnologia i Enginyeria de Segon de Batxillerat van assistir al taller\u00a0<b>&#8220;Per qu\u00e8 fa fred una nevera?&#8221;<\/b>\u00a0a l&#8217;<b>Escola T\u00e8cnica Superior d&#8217;Enginyeria Industrial de Barcelona (ETSEIB-UPC)<\/b>, dins del programa\u00a0<b>Escolab<\/b>\u00a0i impulsat per\u00a0<b>Barcelona Ci\u00e8ncia<\/b>.<\/p>\n<p>En aquesta activitat, van introduir el concepte d\u2019evaporaci\u00f3 lligat al fred i van explicar els diferents tipus de refrigerants i la seva problem\u00e0tica ambiental. Tamb\u00e9 es va tractar la relaci\u00f3 entre la producci\u00f3 de fred i la generaci\u00f3 de calor, aix\u00ed com els processos que permeten assolir temperatures molt baixes. A m\u00e9s, mitjan\u00e7ant experiments pr\u00e0ctics, l\u2019alumnat va poder comprendre de primera m\u00e0 els principis termodin\u00e0mics que regeixen el funcionament de les m\u00e0quines frigor\u00edfiques.<\/p>\n<p>Va ser una experi\u00e8ncia molt interessant i ens va ajudar a comprendre millor la tecnologia que hi ha darrere dels sistemes de refrigeraci\u00f3. Una activitat que sens dubte repetir\u00edem!<\/p>\n<p>Article de Clara Prieto<\/p>\n","protected":false},"excerpt":{"rendered":"<p><a href=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/1-tec.jpeg\"><\/a> <a href=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/2-tec.jpeg\"><\/a> <a href=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/3-tec.jpeg\"><\/a> <a href=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/4-tec.jpeg\"><\/a> <a href=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/5-tec.jpeg\"><\/a> <a href=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/6-tec.jpeg\"><\/a> <a href=\"https:\/\/agora.xtec.cat\/iesitaca\/wp-content\/uploads\/usu121\/2025\/02\/7-tec.jpeg\"><\/a>Alumnat de 2n de Batxillerat \u2013 Tecnologia i Enginyeria<br \/>\nEl passat 29 de gener de 2025, l\u2019alumnat de la mat\u00e8ria optativa de Tecnologia i Enginyeria de Segon de Batxillerat van assistir al taller\u00a0&#8220;Per&hellip;  <a href=\"https:\/\/agora.xtec.cat\/iesitaca\/batxillerat\/per-que-fa-fred-una-nevera\/\" title=\"Read PER QU\u00c8 FA FRED UNA NEVERA?\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":1,"featured_media":8409,"comment_status":"closed","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,"footnotes":""},"categories":[8,29,120],"tags":[],"class_list":["post-8407","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-batxillerat","category-portada","category-d-tecnologia"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/iesitaca\/wp-json\/wp\/v2\/posts\/8407","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/iesitaca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/iesitaca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesitaca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesitaca\/wp-json\/wp\/v2\/comments?post=8407"}],"version-history":[{"count":2,"href":"https:\/\/agora.xtec.cat\/iesitaca\/wp-json\/wp\/v2\/posts\/8407\/revisions"}],"predecessor-version":[{"id":8416,"href":"https:\/\/agora.xtec.cat\/iesitaca\/wp-json\/wp\/v2\/posts\/8407\/revisions\/8416"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesitaca\/wp-json\/wp\/v2\/media\/8409"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/iesitaca\/wp-json\/wp\/v2\/media?parent=8407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesitaca\/wp-json\/wp\/v2\/categories?post=8407"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesitaca\/wp-json\/wp\/v2\/tags?post=8407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}