{"id":155020,"date":"2026-07-22T11:36:16","date_gmt":"2026-07-22T11:36:16","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/155020\/"},"modified":"2026-07-22T11:36:16","modified_gmt":"2026-07-22T11:36:16","slug":"osel-cz-prevratny-3d-termalni-kryt-blokuje-teplo-ve-vsech-smerech","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/155020\/","title":{"rendered":":: OSEL.CZ :: &#8211; P\u0159evratn\u00fd 3D term\u00e1ln\u00ed kryt blokuje teplo ve v\u0161ech sm\u011brech"},"content":{"rendered":"<p><a rel=\"clanek nofollow noopener\" href=\"https:\/\/www.osel.cz\/popisek.php?popisek=44839&amp;img=1_798.jpeg\" target=\"_blank\"><img decoding=\"async\" title=\"Super\u00fa\u010dinn\u00e9 term\u00e1ln\u00ed kryty. Kredit: Shelly Zhang\/MISSION LAB.\" src=\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/07\/s_1_798.jpeg\" alt=\"Super\u00fa\u010dinn\u00e9 term\u00e1ln\u00ed kryty. Kredit: Shelly Zhang\/MISSION LAB.\"\/><\/a><\/p>\n<p>Super\u00fa\u010dinn\u00e9 term\u00e1ln\u00ed kryty. Kredit: Shelly Zhang\/MISSION LAB.<\/p>\n<p>Teplo je fajn, ale n\u011bkdy p\u0159edstavuje probl\u00e9m. M\u016f\u017ee ur\u010dit\u00fd objekt \u010di za\u0159\u00edzen\u00ed ohrozit anebo ho naopak prozradit. Xiaojia Shelly Zhangov\u00e1 z University of Illinois Urbana-Champaign a jej\u00ed kolegov\u00e9 navrhli a postavili prvn\u00ed trojrozm\u011brn\u00e9 za\u0159\u00edzen\u00ed, kter\u00e9 dok\u00e1\u017ee u\u010dinit objekty term\u00e1ln\u011b \u201eneviditeln\u00fdmi\u201c ze v\u0161ech stran. Jde o pr\u016flom, jen\u017e by mohl zm\u011bnit zp\u016fsob ochrany citliv\u00e9 elektroniky, \u0159\u00edzen\u00ed odvodu tepla z mikro\u010dip\u016f i maskov\u00e1n\u00ed objekt\u016f p\u0159ed detekc\u00ed kv\u016fli teplu.<\/p>\n<p>\u00a0<\/p>\n<p class=\"western\">Nov\u00fd term\u00e1ln\u00ed kryt dok\u00e1\u017ee skr\u00fdt objekty t\u00e9m\u011b\u0159 libovoln\u00e9ho tvaru p\u0159ed infra\u010derven\u00fdmi kamerami a z\u00e1rove\u0148 je chr\u00e1n\u00ed p\u0159ed extr\u00e9mn\u00edmi teplotami. Na rozd\u00edl od d\u0159\u00edv\u011bj\u0161\u00edch konstrukc\u00ed, kter\u00e9 fungovaly ve dvou rozm\u011brech nebo jen p\u0159i p\u0159\u00edchodu tepla z jednoho sm\u011bru, je nov\u00fd kryt \u00fa\u010dinn\u00fd prakticky ze v\u0161ech sm\u011br\u016f. Nejde p\u0159itom o pouh\u00e9 blokov\u00e1n\u00ed tepla. Infra\u010derven\u00e1 kamera zaznamen\u00e1 sc\u00e9nu, kde se nach\u00e1z\u00ed takov\u00fd kryt, jako by na dan\u00e9m m\u00edst\u011b v\u016fbec nic nebylo.<\/p>\n<p class=\"western\">\u00a0<\/p>\n<p><a rel=\"clanek nofollow noopener\" href=\"https:\/\/www.osel.cz\/popisek.php?popisek=44840&amp;img=2_686.jpeg\" target=\"_blank\"><img decoding=\"async\" title=\"Xiaojia Shelly Zhang. Kredit: University of Illinois at Urbana-Champaign.\" src=\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/07\/s_2_686.jpeg\" alt=\"Xiaojia Shelly Zhang. Kredit: University of Illinois at Urbana-Champaign.\"\/><\/a><\/p>\n<p>Xiaojia Shelly Zhang. Kredit: University of Illinois at Urbana-Champaign.<\/p>\n<p>Jak \u0159\u00edk\u00e1 Zhangov\u00e1, skute\u010dn\u00fd term\u00e1ln\u00ed kryt mus\u00ed fungovat bez ohledu na to, odkud teplo p\u0159ich\u00e1z\u00ed. Nov\u00e9 za\u0159\u00edzen\u00ed dok\u00e1\u017ee ukr\u00fdt slo\u017eit\u00fd trojrozm\u011brn\u00fd objekt ze v\u0161ech sm\u011br\u016f a z\u00e1rove\u0148 udr\u017eovat uvnit\u0159 stabiln\u00ed a chr\u00e1n\u011bnou teplotu.\u201c<\/p>\n<p class=\"western\">\u00a0<\/p>\n<p class=\"western\">Jejich \u0159e\u0161en\u00ed p\u0159edstavuje nov\u00fd typ m\u0159\u00ed\u017ekov\u00e9ho materi\u00e1lu, jeho\u017e vlastnosti lze nez\u00e1visle nastavovat ve t\u0159ech sm\u011brech. \u00dapravou t\u011bchto parametr\u016f mohou v\u00fdzkumn\u00edci velmi p\u0159esn\u011b \u0159\u00eddit tepelnou vodivost jednotliv\u00fdch oblast\u00ed materi\u00e1lu. Takov\u00e1 konstrukce nab\u00edz\u00ed mnohem \u0161ir\u0161\u00ed rozsah tepeln\u00fdch vodivost\u00ed ne\u017e dosavadn\u00ed p\u0159\u00edstupy.<\/p>\n<p class=\"western\">\u00a0<\/p>\n<p class=\"western\">Nov\u00fd term\u00e1ln\u00ed kryt vznikl jako simulace a v\u011bdci ho pak tak\u00e9 vyrobili a experiment\u00e1ln\u011b otestovali. Vyu\u017e\u00edv\u00e1 hybridn\u00ed materi\u00e1l. Zhangov\u00e1 a spol. nejprve pomoc\u00ed 3D tisku vytvo\u0159ili hlin\u00edkovou m\u0159\u00ed\u017eku s vysokou tepelnou vodivost\u00ed, jej\u00ed\u017e dutiny n\u00e1sledn\u011b vyplnili pry\u017eovit\u00fdm materi\u00e1lem s n\u00edzkou tepelnou vodivost\u00ed.<\/p>\n<p class=\"western\">\u00a0<\/p>\n<p><a rel=\"clanek nofollow noopener\" href=\"https:\/\/www.osel.cz\/popisek.php?popisek=44841&amp;img=3_650.jpeg\" target=\"_blank\"><img decoding=\"async\" title=\"Logo. Kredit: University of Illinois at Urbana-Champaign.\" src=\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/07\/s_3_650.jpeg\" alt=\"Logo. Kredit: University of Illinois at Urbana-Champaign.\"\/><\/a><\/p>\n<p>Logo. Kredit: University of Illinois at Urbana-Champaign.<\/p>\n<p>P\u0159i laboratorn\u00edch testech um\u00edstili za\u0159\u00edzen\u00ed mezi horkou a studenou oblast, \u010d\u00edm\u017e vytvo\u0159ili teplotn\u00ed gradient. Pomoc\u00ed infra\u010derven\u00e9 kamery sledovali, jak se teplo kolem krytu \u0161\u00ed\u0159\u00ed, a tak\u00e9 to, jak zamaskovan\u00fd objekt nen\u00ed vid\u011bt. Uvnit\u0159 chr\u00e1n\u011bn\u00e9ho prostoru p\u0159itom z\u016fst\u00e1vala teplota rovnom\u011brn\u00e1 a izolovan\u00e1 od okoln\u00edch teplotn\u00edch extr\u00e9m\u016f. V\u011bdci rovn\u011b\u017e \u00fasp\u011b\u0161n\u011b otestovali maskov\u00e1n\u00ed slo\u017eit\u00fdch trojrozm\u011brn\u00fdch objekt\u016f, v\u010detn\u011b detailn\u011b tvarovan\u00fdch model\u016f p\u0159ipom\u00ednaj\u00edc\u00edch lidskou hlavu.<\/p>\n<p class=\"western\">Uplatn\u011bn\u00ed m\u016f\u017ee b\u00fdt velmi \u0161irok\u00e9. Term\u00e1ln\u00ed kryt m\u016f\u017ee zajistit nap\u0159\u00edklad p\u0159esn\u011b nastaven\u00e9 odv\u00e1d\u011bn\u00ed tepla u citliv\u00fdch elektronick\u00fdch sou\u010d\u00e1stek, nebo se t\u0159eba m\u016f\u017ee prosadit v bezpe\u010dnostn\u00edch a obrann\u00fdch aplikac\u00edch, nap\u0159\u00edklad p\u0159i maskov\u00e1n\u00ed osob \u010di techniky p\u0159ed termovizn\u00edmi syst\u00e9my nebo p\u0159i ochran\u011b za\u0159\u00edzen\u00ed v extr\u00e9mn\u00edch podm\u00ednk\u00e1ch.<\/p>\n<p class=\"western\">\u00a0<\/p>\n<p class=\"western\">Video: New 3D thermal cloak hides objects from heat in any direction<\/p>\n<p class=\"western\">\n<p class=\"western\">\u00a0<\/p>\n<p class=\"western\">Literatura<\/p>\n<p class=\"western\"><a href=\"https:\/\/news.illinois.edu\/new-3d-thermal-cloak-hides-objects-from-heat-in-any-direction\/\" rel=\"nofollow noopener\" target=\"_blank\">University of Illinois at Urbana-Champaign 13. 7. 2026.<\/a><\/p>\n<p class=\"western\"><a href=\"https:\/\/www.nature.com\/articles\/s41467-026-73167-0\" rel=\"nofollow noopener\" target=\"_blank\">Nature Communications 17: 5739.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Super\u00fa\u010dinn\u00e9 term\u00e1ln\u00ed kryty. Kredit: Shelly Zhang\/MISSION LAB. Teplo je fajn, ale n\u011bkdy p\u0159edstavuje probl\u00e9m. M\u016f\u017ee ur\u010dit\u00fd objekt \u010di&hellip;\n","protected":false},"author":2,"featured_media":155021,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[13],"tags":[39330,74,73,17918,39331,78,75,77,76],"class_list":["post-155020","post","type-post","status-publish","format-standard","has-post-thumbnail","category-veda-a-technika","tag-neviditelnost","tag-science","tag-science-technology","tag-stealth","tag-superschopnost","tag-technika","tag-technology","tag-veda","tag-veda-a-technika"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/116963428550547207","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/155020","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/comments?post=155020"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/155020\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/155021"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=155020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=155020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=155020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}