[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.gratina.cz\/aerodynamicky-hluk-z-vetrnych-elektraren\/#Article","mainEntityOfPage":"https:\/\/www.gratina.cz\/aerodynamicky-hluk-z-vetrnych-elektraren\/","headline":"Aerodynamick\u00fd hluk z v\u011btrn\u00fdch elektr\u00e1ren","name":"Aerodynamick\u00fd hluk z v\u011btrn\u00fdch elektr\u00e1ren","description":"V\u011bt\u0161inou se jedn\u00e1 o zv\u00fd\u0161en\u00fd limit hluku, kter\u00fd je aerodynamick\u00e9ho p\u016fvodu. Ten vznik\u00e1 pr\u00e1v\u011b p\u016fsoben\u00edm v\u011btru na lopatkov\u00e1 ramena a plat\u00ed zde jasn\u00e9 pravidlo. \u010c\u00edm je vy\u0161\u0161\u00ed v\u00fdkon v\u011btrn\u00e9 elektr\u00e1rny, t\u00edm je v\u011bt\u0161\u00ed rozp\u011bt\u00ed lopatek a samoz\u0159ejm\u011b se t\u00edm zv\u011bt\u0161uje hlu\u010dnost. V\u00a0dne\u0161n\u00ed dob\u011b se v\u011bt\u0161inou instaluj\u00ed sto\u017e\u00e1ry s\u00a0lopatkami rotoru o pr\u016fm\u011brech 80 metr\u016f a nejnov\u011bj\u0161\u00ed&hellip;<p class=\"more-link\"><a href=\"https:\/\/www.gratina.cz\/aerodynamicky-hluk-z-vetrnych-elektraren\/\" class=\"themebutton\">Read More<\/a><\/p>","datePublished":"2025-02-27","dateModified":"2023-05-01","author":{"@type":"Person","@id":"https:\/\/www.gratina.cz\/author\/#Person","name":"","url":"https:\/\/www.gratina.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/091b4d684e9af597ec9885a078917281e353fb1084ff05c94355123dbb14e899?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/091b4d684e9af597ec9885a078917281e353fb1084ff05c94355123dbb14e899?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"gratina.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.gratina.cz\/wp-content\/uploads\/img_a308303_w2313_t1519416320.jpg","url":"https:\/\/www.gratina.cz\/wp-content\/uploads\/img_a308303_w2313_t1519416320.jpg","height":0,"width":0},"url":"https:\/\/www.gratina.cz\/aerodynamicky-hluk-z-vetrnych-elektraren\/","wordCount":475,"articleBody":"V\u011bt\u0161inou se jedn\u00e1 o zv\u00fd\u0161en\u00fd limit hluku, kter\u00fd je aerodynamick\u00e9ho p\u016fvodu. Ten vznik\u00e1 pr\u00e1v\u011b p\u016fsoben\u00edm v\u011btru na lopatkov\u00e1 ramena a plat\u00ed zde jasn\u00e9 pravidlo. \u010c\u00edm je vy\u0161\u0161\u00ed v\u00fdkon v\u011btrn\u00e9 elektr\u00e1rny, t\u00edm je v\u011bt\u0161\u00ed rozp\u011bt\u00ed lopatek a samoz\u0159ejm\u011b se t\u00edm zv\u011bt\u0161uje hlu\u010dnost. V\u00a0dne\u0161n\u00ed dob\u011b se v\u011bt\u0161inou instaluj\u00ed sto\u017e\u00e1ry s\u00a0lopatkami rotoru o pr\u016fm\u011brech 80 metr\u016f a nejnov\u011bj\u0161\u00ed v\u00fdkonn\u00e9 v\u011btrn\u00e9 syst\u00e9my maj\u00ed pr\u016fm\u011br lopatek v\u00a0rozmez\u00ed 120 \u2013 140 metr\u016f. S\u00a0velikost\u00ed lopatek rotoru tak\u00e9 souvis\u00ed v\u011bt\u0161\u00ed vliv atmosf\u00e9rick\u00fdch jev\u016f na proud\u011bn\u00ed vzduchu, ve v\u00fd\u0161ce 140 metr\u016f nad zem\u00ed tyto vlivy nejsou zanedbateln\u00e9.\tZa zv\u00fd\u0161enou hladinu hluku m\u016f\u017ee i nevhodn\u00e1 konstrukce a um\u00edst\u011bn\u00ed stavbyPokud je rotor elektr\u00e1rny nasm\u011brov\u00e1n po sm\u011bru v\u011btru, doch\u00e1z\u00ed k\u00a0v\u00fdrazn\u011b vy\u0161\u0161\u00ed intenzit\u011b n\u00edzkofrekven\u010dn\u00edho hluku, kter\u00fd je pro vn\u00edm\u00e1n\u00ed \u017eiv\u00fdmi tvory velmi nep\u0159\u00edjemn\u00fd. Doch\u00e1z\u00ed k\u00a0tomu v\u00a0souvislosti s\u00a0v\u00fdskytem turbulentn\u00edch proud\u016f kolem gondoly, kter\u00e9 zasahuj\u00ed do \u010dinnosti lopatkov\u00e9 vrtule. Z\u00a0toho d\u016fvodu mus\u00ed db\u00e1t majitel\u00e9 elektr\u00e1ren, aby se instalovaly v\u017edy proti sm\u011bru v\u011btru, ale p\u0159edev\u0161\u00edm v\u00a0lokalit\u00e1ch, kde se sm\u011br proud\u011bn\u00ed v\u011btru p\u0159edpokl\u00e1d\u00e1 t\u00e9m\u011b\u0159 konstantn\u00ed (zpravidla jde o severoz\u00e1padn\u00ed sm\u011br).\tZajistit optim\u00e1ln\u00ed obt\u00e9k\u00e1n\u00ed proudu v\u011btruHladinu atmosf\u00e9rick\u00e9ho hluku tak\u00e9 zvy\u0161uje nevhodn\u00e1 konstrukce tvaru a zakon\u010den\u00ed lopatkov\u00fdch list\u016f. V\u00a0p\u0159\u00edpad\u011b, \u017ee m\u00e1 rotor pouze konstantn\u00ed ot\u00e1\u010dky, jedin\u00fdm mo\u017en\u00fdm \u0159e\u0161en\u00edm regulace je bu\u010f nat\u00e1\u010den\u00ed gondoly, nebo odchylka gondoly od p\u0159\u00edm\u00e9ho sm\u011bru proud\u00edc\u00edho v\u011btru, anebo se nat\u00e1\u010d\u00ed lopatky. Tehdy ov\u0161em nedoch\u00e1z\u00ed k\u00a0optim\u00e1ln\u00edmu obt\u00e9k\u00e1n\u00ed proudu v\u011btru, konstrukce lopatek pak s\u00a0proudem vzduchu nesv\u00edr\u00e1 ide\u00e1ln\u00ed \u00fahel, pro kter\u00fd byla p\u016fvodn\u011b navrhov\u00e1na, a v\u00fdrazn\u011b se zvy\u0161uje turbulentn\u00ed v\u00ed\u0159en\u00ed, co\u017e zp\u016fsobuje n\u00e1r\u016fst hladiny aerodynamick\u00e9ho hluku.\tM\u011b\u0159en\u00ed hluku v\u010detn\u011b n\u00edzk\u00fdch frekvenc\u00edJist\u00fdm \u00faskal\u00edm m\u016f\u017ee b\u00fdt i nedostate\u010dn\u00e9 m\u011b\u0159en\u00ed intenzity hluku. Obvykle se m\u011b\u0159\u00ed ve frekven\u010dn\u00edm rozsahu od 50 Hz a\u017e po 10.000 Hz, ale jak se zjistilo u n\u011bkter\u00fdch projekt\u016f ve \u0160v\u00e9dsku, ve \u0160pan\u011blsku a v\u00a0D\u00e1nsku, probl\u00e9m je p\u0159edev\u0161\u00edm u velmi n\u00edzk\u00fdch frekvenc\u00ed pod 50 Hz. Na lidskou psychiku a celkov\u00e9 zdrav\u00ed \u010dlov\u011bka maj\u00ed neblah\u00fd vliv, kter\u00fd podobn\u011b p\u016fsob\u00ed i na zv\u00ed\u0159ata v\u00a0p\u0159\u00edrod\u011b, z\u00a0tohoto d\u016fvodu se za\u010d\u00ednaj\u00ed kontroln\u00ed m\u011b\u0159en\u00ed p\u0159izp\u016fsobovat tomuto nov\u00e9mu trendu.                                                                                                                                                                                                                                                                                                                                                                                        4\/5 - (13 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Aerodynamick\u00fd hluk z v\u011btrn\u00fdch elektr\u00e1ren","item":"https:\/\/www.gratina.cz\/aerodynamicky-hluk-z-vetrnych-elektraren\/#breadcrumbitem"}]}]