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National Repository of Grey Literature

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Electromagnetic pulse accelerator of projectiles Žamberský, Jan ; Jirák, Josef (referee) ; Frk, Martin (advisor) Tato práce se zabývá použitím magnetického pole k urychlení projektilů v zařízení zvaném coilgun. Je složena ze dvou částí, z nichž první je teoretická diskuze o magnetismu a jeho využití, druhá část je o vlastním coilgunu, jeho výhodách a nevýhodách. Následuje série měření na dvou experimentálně postavených coilgunech a jejich optimalizace pro dosažení co nejlepších výsledků. První část probírá více témat. Na začátku je krátká kapitola, ve které se definuje magnetické pole a s ním související konstanty a jevy. Další dvě kapitoly jsou zaměřeny na různé typy materiálů, především feromagnetik, jak reagují na přítomnost magnetického pole a jakými parametry jsou specifikovány. Dále je výčet některých aplikací magnetizmu napříč lidskou společností. V druhé části se popíše princip coilunu a jak byly prototypy vyrobeny. Měření na prvním prototypu je zaměřeno na testování různých materiálů projektilu, jeho rozměrů a přínosy externího magnetického obvodu okolo cívky. Taktéž je tam kapitola pojednávající o způsobu měření rychlosti projektilu. Druhý prototyp se snaží eliminovat nedostatky zjištěné na prvním a prozkoumat výhody vícenásobného urychlení na dalších stupních. Detailed record

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