[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.jakara.cz\/kde-se-vzala-mikrovlnka\/#Article","mainEntityOfPage":"https:\/\/www.jakara.cz\/kde-se-vzala-mikrovlnka\/","headline":"Kde se vzala mikrovlnka","name":"Kde se vzala mikrovlnka","description":"Mikrovlnka m\u00e1 ko\u0159eny v\u00a0\u010cech\u00e1ch. Mikrovlnn\u00e1 trouba funguje na principu oscilace magnetronu. Na to p\u0159i\u0161el ji\u017e v\u00a0roce 1924 profesor P\u0159\u00edrodov\u011bdeck\u00e9 fakulty Univerzity Karlovy v\u00a0Praze August \u017d\u00e1\u010dek. Ov\u0161em jeho vyu\u017eit\u00ed pro zah\u0159\u00edv\u00e1n\u00ed potravin objevil a\u017e Percy Spencer v\u00a0roce 1946, kdy se mu v\u00a0zam\u011bstn\u00e1n\u00ed, kde pracoval na vylep\u0161en\u00e9 konstrukci magnetronu, p\u016fsoben\u00edm z\u00e1\u0159en\u00ed n\u00e1hodn\u011b rozpustila \u010dokol\u00e1dov\u00e1 ty\u010dinka. Na trh &hellip; <p class=\"link-more\"><a href=\"https:\/\/www.jakara.cz\/kde-se-vzala-mikrovlnka\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> \"Kde se vzala mikrovlnka\"<\/span><\/a><\/p>","datePublished":"2023-05-25","dateModified":"2023-05-25","author":{"@type":"Person","@id":"https:\/\/www.jakara.cz\/author\/#Person","name":"","url":"https:\/\/www.jakara.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/e4532b7f65738965bbad8697e5bd54c0628af7bffe8d3c856885c44d86978cee?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/e4532b7f65738965bbad8697e5bd54c0628af7bffe8d3c856885c44d86978cee?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"jakara.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"url":"https:\/\/www.jakara.cz\/kde-se-vzala-mikrovlnka\/","wordCount":385,"articleBody":"Mikrovlnka m\u00e1 ko\u0159eny v\u00a0\u010cech\u00e1ch.Mikrovlnn\u00e1 trouba funguje na principu oscilace magnetronu. Na to p\u0159i\u0161el ji\u017e v\u00a0roce 1924 profesor P\u0159\u00edrodov\u011bdeck\u00e9 fakulty Univerzity Karlovy v\u00a0Praze August \u017d\u00e1\u010dek. Ov\u0161em jeho vyu\u017eit\u00ed pro zah\u0159\u00edv\u00e1n\u00ed potravin objevil a\u017e Percy Spencer v\u00a0roce 1946, kdy se mu v\u00a0zam\u011bstn\u00e1n\u00ed, kde pracoval na vylep\u0161en\u00e9 konstrukci magnetronu, p\u016fsoben\u00edm z\u00e1\u0159en\u00ed n\u00e1hodn\u011b rozpustila \u010dokol\u00e1dov\u00e1 ty\u010dinka.Na trh se v\u0161ak prvn\u00ed mikrovlnka dostala a\u017e v\u00a0roce 1947, a to v\u00a0USA, kde si ji hned v\u0161ichni obl\u00edbili. Byla sice nesm\u00edrn\u011b t\u011b\u017ek\u00e1, v\u00e1\u017eila asi 400 kilogram\u016f, a velk\u00e1 byla jako sk\u0159\u00ed\u0148. Pou\u017e\u00edvala se proto jen v\u00a0restaurac\u00edch, j\u00eddeln\u00edch vozech a oce\u00e1nsk\u00fdch parn\u00edc\u00edch. Prost\u011b jen tam, kam se ve\u0161la, a bylo nutn\u00e9 oh\u0159\u00edvat velk\u00e9 mno\u017estv\u00ed j\u00eddel za kr\u00e1tkou dobu.Prvn\u00ed mikrovlnn\u00e9 trouby, kter\u00e9 se daly pou\u017e\u00edt v\u00a0oby\u010dejn\u00fdch dom\u00e1cnostech, se objevily a\u017e v\u00a0roce 1955. Byly sice men\u0161\u00ed, p\u0159esto po\u0159\u00e1d dosti objemn\u00e9. Teprve \u017e v\u00a0roce 1967 se vyvinuly mikrovlnky mnohem men\u0161\u00ed, a t\u00edm p\u00e1dem tak\u00e9 mnohem obl\u00edben\u011bj\u0161\u00ed. Od t\u00e9 doby se mikrovlnn\u00e9 trouby velmi zdokonalovaly a jejich pou\u017eit\u00ed se zna\u010dn\u011b roz\u0161\u00ed\u0159ilo. Dnes tento pomocn\u00edk nechyb\u00ed v\u00a0\u017e\u00e1dn\u00e9 modern\u00ed kuchyni.JAK MIKROVLNKA FUNGUJE?J\u00eddlo se v\u00a0mikrovlnce oh\u0159\u00edv\u00e1 za pomoci elektromagnetick\u00e9ho z\u00e1\u0159en\u00ed, kter\u00e9 je schopn\u00e9 rozkmitat \u010d\u00e1stice, p\u0159edev\u0161\u00edm molekuly vody, \u0161\u00ed\u0159en\u00edm tepla. P\u0159itom mikrovlny pronikaj\u00ed dovnit\u0159 pokrmu, a t\u00edm ho rychle oh\u0159\u00edvaj\u00ed. Proto\u017ee m\u00e1 mikrovlnka kovov\u00fd povrch, z\u00e1\u0159en\u00ed nem\u016f\u017ee proniknout ven, a v\u0161echno teplo je tak vyza\u0159ov\u00e1no uvnit\u0159 v\u00a0prostoru. Pro rovnom\u011brn\u00e9 oh\u0159\u00edv\u00e1n\u00ed je vprost\u0159edku mikrovlnky instalov\u00e1n oto\u010dn\u00fd podnos, d\u00edky n\u011bmu\u017e kmity proch\u00e1zej\u00ed j\u00eddlem postupn\u011b a r\u016fzn\u00fdmi m\u00edsty.Kovov\u00e9 p\u0159edm\u011bty pros\u00edm nestrkat!Pokud do mikrovlnky str\u010d\u00edte n\u011bjak\u00fd kovov\u00fd prvek, t\u0159eba alobal, rozkmit\u00e1n\u00edm elektron\u016f p\u0159i zapnut\u00ed mikrovlnky vznikne elektrick\u00fd proud, kter\u00fd se d\u00edky v\u00fdkonu trouby zv\u011bt\u0161uje. Kovov\u00fd p\u0159edm\u011bt se proto zah\u0159eje na vysokou teplotu a za\u010dne jisk\u0159it a brzy se sp\u00e1l\u00ed.                                                                                                                                                                                                                                                                                                                                                                                        5\/5 - (4 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Kde se vzala mikrovlnka","item":"https:\/\/www.jakara.cz\/kde-se-vzala-mikrovlnka\/#breadcrumbitem"}]}]