{"id":740,"date":"2021-05-20T13:01:54","date_gmt":"2021-05-20T11:01:54","guid":{"rendered":"https:\/\/skymag.cz\/?p=740"},"modified":"2024-03-26T22:31:15","modified_gmt":"2024-03-26T21:31:15","slug":"ultra-bila-barva-na-fasade-budovy-muze-nahradit-klimatizaci","status":"publish","type":"post","link":"https:\/\/skymag.cz\/?p=740","title":{"rendered":"Ultra-b\u00edl\u00e1 barva na fas\u00e1d\u011b budovy m\u016f\u017ee nahradit klimatizaci"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00ed zbran\u00ed v boji proti p\u0159eh\u0159\u00edv\u00e1n\u00ed budov je nad\u00e1le klimatizace. S jej\u00ed vyu\u017e\u00edv\u00e1n\u00edm se v\u0161ak spojuje p\u00e1r minus\u016f, kv\u016fli kter\u00fdm se v\u011bdci opakovan\u011b sna\u017e\u00ed p\u0159ij\u00edt se \u0161etrn\u011bj\u0161\u00ed n\u00e1hradou. Tou by mohla b\u00fdt speci\u00e1ln\u011b upravena fas\u00e1da, jej\u00edm\u017e z\u00e1kladem je extr\u00e9mn\u011b siln\u00fd b\u00edl\u00fd odst\u00edn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00edl\u00e1 fas\u00e1da s \u00fa\u010dinky jako klimatizace<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Schopnost b\u00edl\u00fdch povrch\u016f tlumit propou\u0161t\u011bn\u00ed v\u011bt\u0161\u00edch d\u00e1vek slune\u010dn\u00edho sv\u011btla a t\u00edm p\u0159isp\u011bt k jejich ochlazov\u00e1n\u00ed je dok\u00e1z\u00e1na n\u011bkolika v\u011bdeck\u00fdmi pokusy. Ne n\u00e1hodou se b\u00edl\u00e9 fas\u00e1dy uplat\u0148uj\u00ed hlavn\u011b v lokalit\u00e1ch, kde je p\u0159eh\u0159\u00edv\u00e1n\u00ed budov celkem b\u011b\u017en\u00fd probl\u00e9m. Dosud se v\u0161ak nepoda\u0159ilo p\u0159ij\u00edt s takovou verz\u00ed b\u00edl\u00e9ho povrchu, jeho\u017e ochlazovac\u00ed \u00fa\u010dinky se mohou srovn\u00e1vat s klimatizac\u00ed. Po n\u011bkolika testech v\u011bdc\u016f z Purdue University v americk\u00e9 Indian\u011b ale v\u0161e nasv\u011bd\u010duje tomu, \u017ee na sv\u011bt\u011b je ultra-b\u00edl\u00fd odst\u00edn schopen zcela nahradit klimatiza\u010dn\u00ed za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nejb\u011blej\u0161\u00ed mo\u017en\u00fd odst\u00edn, jak\u00fd se nam\u00edchal<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tajemstv\u00edm \u00fasp\u011bchu americk\u00fdch v\u011bdc\u016f m\u00e1 b\u00fdt nejb\u011blej\u0161\u00ed barva, jak\u00e1 byla dosud nam\u00edch\u00e1na. D\u00edky upraven\u00e9 konzistenci \u010d\u00e1stic s\u00edranu barnat\u00e9ho se tak poda\u0159ilo p\u0159ij\u00edt s odst\u00ednem, kter\u00fd m\u00e1 a\u017e 98,1% \u00fa\u010dinek p\u0159i odr\u00e1\u017een\u00ed slune\u010dn\u00edho svitu. To je o 2,6% v\u00edce ne\u017e p\u0159i odst\u00ednu, kter\u00fd byl t\u00edmto v\u011bdeck\u00fdm t\u00fdmem p\u0159edstaven p\u0159edt\u00edm. V obou p\u0159\u00edpadech je to o n\u011bkolik procent v\u00edce ne\u017e u b\u011b\u017en\u011b dostupn\u00fdch ochladzuj\u00facich barv\u00e1ch. Jejich \u00fa\u010dinek se pohybuje na \u00farovni 80-90%, co\u017e na v\u011bt\u0161\u00ed ochlazen\u00ed nesta\u010d\u00ed, tak\u017ee stavby, na kter\u00fdch fas\u00e1d\u011b se pou\u017eij\u00ed, mus\u00ed jako dopln\u011bk vyu\u017e\u00edvat i klimatizaci.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Povrch budov chladn\u011bj\u0161\u00ed o 4 a\u017e 10,5 \u00b0 C<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/skymag.cz\/wp-content\/uploads\/2021\/05\/pexels-photo-2599868-683x1024.jpg\" alt=\"\" class=\"wp-image-742\" srcset=\"https:\/\/skymag.cz\/wp-content\/uploads\/2021\/05\/pexels-photo-2599868-683x1024.jpg 683w, https:\/\/skymag.cz\/wp-content\/uploads\/2021\/05\/pexels-photo-2599868-200x300.jpg 200w, https:\/\/skymag.cz\/wp-content\/uploads\/2021\/05\/pexels-photo-2599868-768x1152.jpg 768w, https:\/\/skymag.cz\/wp-content\/uploads\/2021\/05\/pexels-photo-2599868-696x1044.jpg 696w, https:\/\/skymag.cz\/wp-content\/uploads\/2021\/05\/pexels-photo-2599868.jpg 1000w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">D\u00edky v\u00edce ne\u017e 98% \u00fa\u010dinku p\u0159i odr\u00e1\u017een\u00ed slune\u010dn\u00edho svitu se ultra-b\u00edl\u00e9 fas\u00e1d\u011b da\u0159\u00ed ochladit budovu o n\u011bkolik stup\u0148\u016f. Vypl\u00fdv\u00e1 to ze s\u00e9rie pokus\u016f, kter\u00e9 provedli auto\u0159i najbel\u0161ieho odst\u00ednu ve venkovn\u00edm prost\u0159ed\u00ed. N\u011bkolik test\u016f se uskute\u010dnilo v noci a n\u011bkolik v pr\u016fb\u011bhu jasn\u00e9ho slune\u010dn\u00e9ho dne. Denn\u00ed ochlazen\u00ed bylo pom\u011brn\u011b n\u00ed\u017ee. Navzdory dopadu intenzivn\u00edho slune\u010dn\u00edho sv\u011btla na budovu v\u0161ak rozd\u00edl mezi teplotou venku a teplotou v budov\u011b dos\u00e1hl pr\u016fm\u011brn\u011b a\u017e nad 4 \u00b0 C. P\u0159i jednom z no\u010dn\u00edch pokus\u016f se poda\u0159ilo zaznamenat rozd\u00edl na \u00farovni a\u017e 10,5 \u00b0 C.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pro zaji\u0161t\u011bn\u00ed siln\u00e9ho chladic\u00edho \u00fa\u010dinku bude nutn\u00e9 pokr\u00fdt ultra-b\u00edl\u00fdm povrchem v\u011bt\u0161\u00ed \u010d\u00e1st fas\u00e1dy, p\u0159\u00edpadn\u011b i st\u0159echy. K dosa\u017een\u00ed chladic\u00edho v\u00fdkonu na \u00farovni 10 kilowatt\u016f, kter\u00fd posta\u010d\u00ed na \u00faplnou n\u00e1hradu klimatizace, se doporu\u010duje ultra-b\u00edl\u00e1 plocha s v\u00fdm\u011brou alespo\u0148 93 m\u00b2.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Redakce rad\u00ed: P\u0159i za\u0159izov\u00e1n\u00ed <a href=\"https:\/\/primainspirace.cz\/category\/dum\/exterier\/\">exteri\u00e9ru<\/a> va\u0161eho domu se nechte inspirovat modern\u00edmi trendy.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n","protected":false},"excerpt":{"rendered":"<p>Nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00ed zbran\u00ed v boji proti p\u0159eh\u0159\u00edv\u00e1n\u00ed budov je nad\u00e1le klimatizace. S jej\u00ed vyu\u017e\u00edv\u00e1n\u00edm se v\u0161ak spojuje p\u00e1r minus\u016f, kv\u016fli kter\u00fdm se v\u011bdci opakovan\u011b sna\u017e\u00ed p\u0159ij\u00edt se \u0161etrn\u011bj\u0161\u00ed n\u00e1hradou. Tou by mohla b\u00fdt speci\u00e1ln\u011b upravena fas\u00e1da, jej\u00edm\u017e z\u00e1kladem je extr\u00e9mn\u011b siln\u00fd b\u00edl\u00fd odst\u00edn. B\u00edl\u00e1 fas\u00e1da s \u00fa\u010dinky jako klimatizace Schopnost b\u00edl\u00fdch povrch\u016f tlumit propou\u0161t\u011bn\u00ed v\u011bt\u0161\u00edch d\u00e1vek [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":741,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[43],"tags":[],"class_list":["post-740","post","type-post","status-publish","format-standard","has-post-thumbnail","category-bydleni"],"_links":{"self":[{"href":"https:\/\/skymag.cz\/index.php?rest_route=\/wp\/v2\/posts\/740","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/skymag.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/skymag.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/skymag.cz\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/skymag.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=740"}],"version-history":[{"count":2,"href":"https:\/\/skymag.cz\/index.php?rest_route=\/wp\/v2\/posts\/740\/revisions"}],"predecessor-version":[{"id":1113,"href":"https:\/\/skymag.cz\/index.php?rest_route=\/wp\/v2\/posts\/740\/revisions\/1113"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/skymag.cz\/index.php?rest_route=\/wp\/v2\/media\/741"}],"wp:attachment":[{"href":"https:\/\/skymag.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=740"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/skymag.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=740"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/skymag.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}