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Hydraulic design and CFD simulation of impeller with integrated inducer Novosad, Pavel ; Kozák, Jiří (referee) ; Štefan, David (advisor) Cílem této práce je hydraulický návrh oběžného kola čerpadla okysličovadla pro raketový motor. Úvodní část práce je věnována rešerši podstatných pojmů a jevů, které tento návrh ovlivňují. Následuje iterativní návrh radiálního čerpadla, které je ale náchylné na vznik kavitace. Poté je proveden návrh axiálního stupně čerpadla, který má navyšovat vstupní tlak do radiálního stupně. Návrh byl založen na analytickém výpočtu 2D proudění, který byl následně za pomoci CFD analýz modifikován pro zlepšení výkonu, účinnosti a kavitační stability čerpadla. Finálním krokem je tyto dvě oběžné kola spojit do jednoho, které díky kompaktnějším rozměrům dosahuje vyšší účinnosti a je méně náročné na výrobu. Pro toto kolo jsou provedeny kontroly vůči meznímu stavu pružnosti, výskytu rezonance a náchylnosti na výskyt kavitace při nízkém sacím tlaku. Detailed record

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