{"id":12182,"date":"2023-07-19T09:58:00","date_gmt":"2023-07-19T07:58:00","guid":{"rendered":"https:\/\/prahaskolska.200.solutions\/?p=12182"},"modified":"2023-07-17T15:59:38","modified_gmt":"2023-07-17T13:59:38","slug":"odbornici-z-fe-cvut-zaznamenali-uspech-detekovali-nejdele-trvajici-bleskovy-vyboj-ve-stredni-evrope","status":"publish","type":"post","link":"https:\/\/prahaskolska.200.solutions\/?p=12182","title":{"rendered":"Odborn\u00edci z FE \u010cVUT zaznamenali \u00fasp\u011bch. Detekovali nejd\u00e9le trvaj\u00edc\u00ed bleskov\u00fd v\u00fdboj ve st\u0159edn\u00ed Evrop\u011b"},"content":{"rendered":"\n

D\u00edky spolupr\u00e1ci odborn\u00edk\u016f z Fakulty elektrotechnick\u00e9 \u010cVUT a v\u011bdc\u016f z Akademie v\u011bd \u010cesk\u00e9 republiky se poda\u0159ilo zachytit unik\u00e1tn\u00ed blesk, kter\u00fd trval n\u011bkolik sekund. V\u00fdzkum p\u0159inesl nov\u00e9 poznatky v oblasti p\u0159\u00edrodn\u00edch v\u00fdboj\u016f.<\/strong><\/p>\n\n\n\n

Pozorovan\u00fd bleskov\u00fd v\u00fdboj zab\u00edral plochu o velikosti b\u011b\u017en\u011b velk\u00e9ho okresu. V\u00fdzkum se v\u011bnoval slo\u017eitosti a d\u00e9lce trv\u00e1n\u00ed t\u011bchto atmosf\u00e9rick\u00fdch jev\u016f. V\u00fdsledkem v\u011bdeck\u00e9 pr\u00e1ce je zji\u0161t\u011bn\u00ed, \u017ee blesky trvaj\u00ed mnohem del\u0161\u00ed dobu a jsou v\u00fdrazn\u011b v\u011bt\u0161\u00ed, ne\u017e se dosud p\u0159edpokl\u00e1dalo. <\/p>\n\n\n\n

V\u00fdsledky v\u00fdzkumu jsou o to v\u00edc d\u016fle\u017eit\u00e9, nebo\u0165 se jedn\u00e1 o prvn\u00ed zji\u0161t\u011bn\u00ed sv\u00e9ho druhu v Evrop\u011b. Krom\u011b FE \u010cVUT byl sou\u010d\u00e1st\u00ed v\u00fdzkumu tak\u00e9 \u00dastav jadern\u00e9 fyziky AV \u010cR a \u00dastav fyziky atmosf\u00e9ry AV \u010cR. C\u00edlem v\u011bdc\u016f bylo\u00a0odhalen\u00ed podstaty extr\u00e9mn\u00edch jev\u016f v atmosf\u00e9\u0159e a ionizuj\u00edc\u00edho z\u00e1\u0159en\u00ed. Vedlej\u0161\u00edm v\u00fdsledkem v\u011bdeck\u00e9 pr\u00e1ce je pr\u00e1v\u011b objeven\u00ed unik\u00e1tn\u00edch vlastnost\u00ed bleskov\u00fdch v\u00fdboj\u016f.<\/p>\n\n\n\n

Ji\u017e v lednu 2023 vydal t\u00fdm v\u011bdc\u016f pod veden\u00edm Ing. Jakuba K\u00e1kony \u010dl\u00e1nek s n\u00e1zvem\u00a0In situ ground-based mobile measurement of lightning events above central Europe<\/em>, ve kter\u00e9m v\u011bdci popsali v\u00fdhody za\u0159\u00edzen\u00ed pou\u017e\u00edvan\u00e9ho pro pozemn\u00ed m\u011b\u0159en\u00ed bou\u0159kov\u00fdch jev\u016f na st\u0159edoevropsk\u00e9m \u00fazem\u00ed. C\u00edlem v\u00fdzkumu bylo p\u0159ij\u00edt na to, zda vznik blesk\u016f souvis\u00ed s ionizuj\u00edc\u00edm z\u00e1\u0159en\u00edm.<\/p>\n\n\n\n

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Interi\u00e9r jednoho z m\u011b\u0159\u00edc\u00edch voz\u016f pou\u017eit\u00fdch p\u0159i v\u00fdzkumu. Foto: Jakub K\u00e1kona<\/sup><\/figcaption><\/figure>\n\n\n\n

Nejv\u011bt\u0161\u00ed dosud zaznamenan\u00fd blesk ve st\u0159edoevropsk\u00e9m prostoru<\/strong><\/p>\n\n\n\n

V\u00fdzkumn\u00edci p\u0159i m\u011b\u0159en\u00ed velikosti blesk\u016f vyu\u017e\u00edvali voln\u011b dostupnou detek\u010dn\u00ed s\u00ed\u0165 Blitzortung.org, kter\u00e1 se vyzna\u010duje ur\u010dov\u00e1n\u00edm polohy v\u00fdboj\u016f s p\u0159esnost\u00ed na kilometry. \u201eA\u010dkoli na\u0161e detektory ukazovaly, \u017ee jeden z blesk\u016f prob\u011bhl t\u00e9m\u011b\u0159 p\u0159\u00edmo nad na\u0161\u00edm m\u011b\u0159\u00edc\u00edm vozem, nejbli\u017e\u0161\u00ed v\u00fdboj detekovan\u00fd Blitzortung.org byl 70<\/em>\u2009a\u017e\u00a080 km daleko<\/em>. Z toho odvozujeme, \u017ee blesk byl dlouh\u00fd v\u00edce ne\u017e 80<\/em>\u2009km, nebo\u00a0\u017ee k synchronn\u00edmu v\u00fdboji do\u0161lo ve vzd\u00e1lenosti 80<\/em>\u2009km.<\/em>,“ p\u00ed\u0161e v \u010dl\u00e1nku Ing. Jakub K\u00e1kona. <\/p>\n\n\n\n

Jedn\u00e1 se tedy o dosud nejv\u011bt\u0161\u00ed zaznamenan\u00fd bleskov\u00fd v\u00fdboj ve st\u0159edn\u00ed Evrop\u011b. Blesky podobn\u00e9 velikosti m\u016f\u017eeme pozorovat kup\u0159. na \u00fazem\u00ed USA, na evropsk\u00e9 pom\u011bry se v\u0161ak jedn\u00e1 o skute\u010dn\u00fd unik\u00e1t. <\/p>\n\n\n\n

Vlastn\u00ed m\u011b\u0159\u00edc\u00ed vybaven\u00ed<\/strong><\/p>\n\n\n\n

V\u00fdzkumn\u00edci se b\u011bhem sv\u00e9 pr\u00e1ce museli pot\u00fdkat s nedostatkem relevantn\u00edch p\u0159\u00edstroj\u016f, kter\u00e9 by mohli v r\u00e1mci v\u00fdzkumu pou\u017e\u00edt. To je donutilo vyvinout vlastn\u00ed vybaven\u00ed, jeho\u017e p\u0159\u00edprava zabrala velk\u00e9 mno\u017estv\u00ed \u010dasu. <\/p>\n\n\n\n

V\u011bdci z FE \u010cVUT b\u011bhem sv\u00e9ho v\u00fdzkumu pou\u017eili tzv. m\u011b\u0159\u00edc\u00ed vozidla, kter\u00e1 slou\u017eila k p\u0159eprav\u011b a nap\u00e1jen\u00ed p\u0159\u00edstroj\u016f v bl\u00edzkosti bou\u0159ek. Odborn\u00edk\u016fm tak\u00e9 poskytla ochranu p\u0159ed \u00faderem blesku. Jednalo se o prvn\u00ed vozidla sv\u00e9ho druhu na sv\u011bt\u011b, kter\u00e1 slou\u017eila k v\u011bdeck\u00fdm \u00fa\u010del\u016fm. \u201eZ USA jist\u011b zn\u00e1te z\u00e1bavn\u00e9 po\u0159ady o tzv. lovc\u00edch bou\u0159ek, kte\u0159\u00ed v autech pron\u00e1sleduj\u00ed extr\u00e9mn\u00ed bou\u0159kov\u00e9 v\u00fdboje, to m\u00e1 ale \u010dasto do reality v\u011bdeck\u00e9ho po\u010d\u00edn\u00e1n\u00ed daleko<\/em>,\u201d dod\u00e1v\u00e1 Jakub K\u00e1kona.<\/p>\n\n\n\n

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M\u011b\u0159\u00edc\u00ed vozy, kter\u00e9 v\u00fdzkumn\u00edci p\u0159i sv\u00e9 pr\u00e1ci pou\u017e\u00edvali. Foto: Jakub K\u00e1kona<\/sup><\/figcaption><\/figure>\n\n\n\n

Dal\u0161\u00ed v\u00fdzkum<\/strong><\/p>\n\n\n\n

P\u0159esto\u017ee se v\u011bdeck\u00e9mu t\u00fdmu poda\u0159ilo dos\u00e1hnout p\u0159elomov\u00fdch objev\u016f, nedok\u00e1zali doj\u00edt k z\u00e1v\u011bru, co p\u0159esn\u011b je spou\u0161t\u011b\u010dem bleskov\u00fdch v\u00fdboj\u016f. K\u00e1kona pova\u017euje za hlavn\u00ed d\u016fvod nedostatek m\u011b\u0159\u00edc\u00edch p\u0159\u00edstroj\u016f. \u201eSe t\u0159emi m\u011b\u0159\u00edc\u00edmi vozy jsme zkr\u00e1tka nemohli pokr\u00fdt cel\u00fd region najednou, abychom zjistili, v jak\u00e9m m\u00edst\u011b p\u0159esn\u011b blesk za\u010dal. Vzhledem k zji\u0161t\u011bn\u00e9mu velikostn\u00edmu rozptylu v\u0161ak nen\u00ed od v\u011bci p\u0159edpokl\u00e1dat, \u017ee za\u010d\u00edn\u00e1 \u00fapln\u011b jinde, ne\u017e nakonec ude\u0159\u00ed,\u201d<\/em> uv\u00e1d\u00ed.<\/p>\n\n\n\n

Pr\u00e1ce v\u011bdeck\u00e9ho t\u00fdmu v\u0161ak t\u00edmto nekon\u010d\u00ed. Odborn\u00edci cht\u011bj\u00ed ve v\u00fdzkumu pokra\u010dovat a jejich c\u00edlem je z\u00edskat dal\u0161\u00ed data z v\u00fdboj\u016f, kter\u00e9 trvaj\u00ed d\u00e9le, ne\u017e se p\u016fvodn\u011b p\u0159edpokl\u00e1dalo. Anal\u00fdza v\u00fdboj\u016f m\u016f\u017ee do budoucna p\u0159in\u00e9st dostatek \u010dasu na v\u00fdpo\u010det, na jak\u00e9m m\u00edst\u011b bleskov\u00fd v\u00fdboj za\u010dne, a jak\u00e1 bude jeho s\u00edla.<\/p>\n\n\n\n

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Interi\u00e9r m\u011b\u0159\u00edc\u00edho vozu. Foto: Jakub K\u00e1kona<\/sup><\/figcaption><\/figure>\n\n\n\n

Zdroj: \u010cVUT<\/p>\n\n\n\n

Autor \u00favodn\u00edho obr\u00e1zku: Jakub K\u00e1kona<\/sup><\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

D\u00edky spolupr\u00e1ci odborn\u00edk\u016f z Fakulty elektrotechnick\u00e9 \u010cVUT a v\u011bdc\u016f z Akademie v\u011bd \u010cesk\u00e9 republiky se poda\u0159ilo zachytit unik\u00e1tn\u00ed blesk, kter\u00fd trval n\u011bkolik sekund. V\u00fdzkum p\u0159inesl nov\u00e9 poznatky v oblasti p\u0159\u00edrodn\u00edch v\u00fdboj\u016f. Pozorovan\u00fd bleskov\u00fd v\u00fdboj zab\u00edral plochu o velikosti b\u011b\u017en\u011b velk\u00e9ho okresu. V\u00fdzkum se v\u011bnoval slo\u017eitosti a d\u00e9lce trv\u00e1n\u00ed t\u011bchto atmosf\u00e9rick\u00fdch jev\u016f. V\u00fdsledkem v\u011bdeck\u00e9 pr\u00e1ce je […]<\/p>\n","protected":false},"author":24,"featured_media":12185,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_breakdance_hide_in_design_set":false,"_breakdance_tags":"","footnotes":""},"categories":[28,38],"tags":[],"class_list":["post-12182","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aktualne-ze-skolstvi","category-vysoke-skoly"],"acf":[],"_links":{"self":[{"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/posts\/12182","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12182"}],"version-history":[{"count":1,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/posts\/12182\/revisions"}],"predecessor-version":[{"id":12188,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/posts\/12182\/revisions\/12188"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/media\/12185"}],"wp:attachment":[{"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12182"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12182"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}