[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.michnov.cz\/myty-o-solarnich-plachtach-ktere-koluji-po-internetu\/#Article","mainEntityOfPage":"https:\/\/www.michnov.cz\/myty-o-solarnich-plachtach-ktere-koluji-po-internetu\/","headline":"M\u00fdty o sol\u00e1rn\u00edch placht\u00e1ch, kter\u00e9 koluj\u00ed po Internetu","name":"M\u00fdty o sol\u00e1rn\u00edch placht\u00e1ch, kter\u00e9 koluj\u00ed po Internetu","description":"\u010cernou plachtu mohu sm\u011ble vyu\u017e\u00edt pro oh\u0159ev vody v baz\u00e9nu Z fyzik\u00e1ln\u00edho hlediska by to v podstat\u011b logiku m\u011blo, ov\u0161em fyziku je v tomto p\u0159\u00edpad\u011b \u017e\u00e1douc\u00ed aplikovat d\u016fsledn\u011b. P\u0159edstavte si situaci, kdy zat\u00e1hnete \u010dern\u00e9 \u017ealuzie nebo \u010dern\u00fd z\u00e1v\u011bs v m\u00edstnosti, kam proud\u00ed slune\u010dn\u00ed paprsky. M\u00edstnost z\u016fstane p\u0159ibli\u017en\u011b na stejn\u00e9 teplot\u011b, zah\u0159eje se pouze z\u00e1v\u011bs a … ","datePublished":"2018-06-21","dateModified":"2023-06-09","author":{"@type":"Person","@id":"https:\/\/www.michnov.cz\/author\/#Person","name":"","url":"https:\/\/www.michnov.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/7726f7b8e3ba8979c4cf2ad896cb2e8cc05af8ceb17ce4fb40617b72e0be53b4?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/7726f7b8e3ba8979c4cf2ad896cb2e8cc05af8ceb17ce4fb40617b72e0be53b4?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"michnov.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.michnov.cz\/wp-content\/uploads\/img_a319511_w1965_t1530523367.jpg","url":"https:\/\/www.michnov.cz\/wp-content\/uploads\/img_a319511_w1965_t1530523367.jpg","height":0,"width":0},"url":"https:\/\/www.michnov.cz\/myty-o-solarnich-plachtach-ktere-koluji-po-internetu\/","wordCount":535,"articleBody":"  \u010cernou plachtu mohu sm\u011ble vyu\u017e\u00edt pro oh\u0159ev vody v baz\u00e9nu Z fyzik\u00e1ln\u00edho hlediska by to v podstat\u011b logiku m\u011blo, ov\u0161em fyziku je v tomto p\u0159\u00edpad\u011b \u017e\u00e1douc\u00ed aplikovat d\u016fsledn\u011b. P\u0159edstavte si situaci, kdy zat\u00e1hnete \u010dern\u00e9 \u017ealuzie nebo \u010dern\u00fd z\u00e1v\u011bs v m\u00edstnosti, kam proud\u00ed slune\u010dn\u00ed paprsky. M\u00edstnost z\u016fstane p\u0159ibli\u017en\u011b na stejn\u00e9 teplot\u011b, zah\u0159eje se pouze z\u00e1v\u011bs a hlin\u00edkov\u00e9 lamely \u017ealuzi\u00ed a bude se od nich proh\u0159\u00edvat jen mal\u00e9 mno\u017estv\u00ed okoln\u00edho vzduchu. V baz\u00e9nu je to s vodou podobn\u00e9 a p\u016fjdeme-li do d\u016fsledk\u016f, pro p\u0159ioh\u0159ev v\u00fdpln\u011b baz\u00e9nu je nejvhodn\u011bj\u0161\u00ed sol\u00e1rn\u00ed transparentn\u00ed plachta s bublinkami. Slune\u010dn\u00ed z\u00e1\u0159en\u00ed pak tudy pronik\u00e1 a\u017e do spodn\u00edch vrstev vody a zah\u0159\u00edv\u00e1 ji. \u010cern\u00e1 plachta bude oh\u0159\u00edvat jen sama sebe a povrchovou vrstvi\u010dku vody kolem n\u00ed. Bublinky zn\u00e1sobuj\u00ed \u00fa\u010dinek slunce Nezn\u00e1sobuj\u00ed. Bublinky jsou zde proto, aby f\u00f3lii udr\u017eely na hladin\u011b, nadn\u00e1\u0161ely ji tak, aby se nemohla potopit. Jestli\u017ee byste polo\u017eili na hladinu oby\u010dejn\u00fd igelit, potopil by se. Transparentnost plastu zajist\u00ed pr\u016fnik slune\u010dn\u00edch paprsk\u016f do vody a ty j\u00ed zah\u0159\u00edvaj\u00ed, kdybyste m\u011bli na hladin\u011b oby\u010dejn\u00fd igelit, tekutina by se zah\u0159\u00edvala \u00fapln\u011b stejn\u011b. Bublinky tedy nejsou \u017e\u00e1dnou optickou zesiluj\u00edc\u00ed konvexn\u00ed \u010do\u010dkou, jak se mnoz\u00ed domn\u00edvaj\u00ed. A na jejich velikosti nez\u00e1le\u017e\u00ed, jde p\u0159edev\u0161\u00edm o to, aby jich bylo dostatek, a aby se f\u00f3lie nemohla potopit pod hladinu. S\u00edla f\u00f3lie ur\u010duje jej\u00ed kvalitu Zdaleka ne, v principu se v\u0161echny kryc\u00ed plachty vyr\u00e1b\u00ed z polyetylenu a z\u00e1sadn\u00ed je pouze chemick\u00e1 p\u0159\u00edm\u011bs, kter\u00e1 materi\u00e1l p\u0159izp\u016fsobuje UV z\u00e1\u0159en\u00ed. V\u0161echny plachty odoln\u00e9 v\u016f\u010di ultrafialov\u00fdm paprsk\u016fm budou pevn\u00e9 a trvanliv\u00e9, a jestli\u017ee byste na hladinu pokl\u00e1dali nekvalitn\u00ed materi\u00e1l (oby\u010dejn\u00fd polyetylen), \u010dasem poprask\u00e1. Kvalitn\u00ed materi\u00e1ly jsou nav\u00edc zpevn\u011bny nylonov\u00fdmi vl\u00e1kny pro vy\u0161\u0161\u00ed pevnost a del\u0161\u00ed \u017eivotnost. Plachta mus\u00ed b\u00fdt z jednoho kusu Nemus\u00ed. Posta\u010d\u00ed, kdy\u017e pou\u017eijete v\u00edce plachet, kter\u00e9 se vz\u00e1jemn\u011b \u010d\u00e1ste\u010dn\u011b p\u0159ekr\u00fdvaj\u00ed, a t\u00edm pokryj\u00ed celou plochu baz\u00e9nu. N\u011bkdy je dokonce v\u00fdhodn\u011bj\u0161\u00ed pou\u017e\u00edt v\u00edce men\u0161\u00edch plachet kv\u016fli lep\u0161\u00ed manipulaci (men\u0161\u00ed kusy nejsou tak t\u011b\u017ek\u00e9). Oh\u0159ev vody sol\u00e1rn\u00ed technologi\u00ed ji\u017e nevy\u017eaduje kryt\u00ed bublinkovou plachtou Vy\u017eaduje. Situaci lze p\u0159irovnat k vyt\u00e1p\u011bn\u00ed domu v zimn\u00edch m\u011bs\u00edc\u00edch, kdy je venku deset stup\u0148\u016f pod nulou, plynov\u00fd nebo elektrick\u00fd kotel top\u00ed na pln\u00e9 obr\u00e1tky a vy m\u00e1te otev\u0159en\u00e9 okno a intenzivn\u011b v\u011btr\u00e1te. Oknem ve\u0161ker\u00e9 teplo unikne a v m\u00edstnosti bude st\u00e1le chladno. Podobn\u00e9 je to i u baz\u00e9nu, jestli\u017ee polo\u017e\u00edte plachtu na oh\u0159\u00edvanou vodu sol\u00e1rn\u00edmi panely, u\u0161et\u0159\u00edte minim\u00e1ln\u011b 45 procent n\u00e1klad\u016f na oh\u0159ev vody, co\u017e u velk\u00fdch plaveck\u00fdch baz\u00e9n\u016f p\u0159edstavuje \u00fasporu stovek tis\u00edc korun za sez\u00f3nu.                                                                                                                                                                                                                                                                                                                                                                                        4.2\/5 - (5 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"M\u00fdty o sol\u00e1rn\u00edch placht\u00e1ch, kter\u00e9 koluj\u00ed po Internetu","item":"https:\/\/www.michnov.cz\/myty-o-solarnich-plachtach-ktere-koluji-po-internetu\/#breadcrumbitem"}]}]