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Design of a mixing vessel
Udatný, Martin ; Štěpánek, Vojtěch (referee) ; Hermanský, Dominik (advisor)
The content of this bachelor thesis is to present the mixing process and design of mixing vessels for the pharmaceutical and chemical industries, then to design mixing vessles from specified parameters. The stirrer is driven by an electric motor and can operate at variable speeds. The main calculations in the design are the calculation of the power input of the stirrer and the control of the stress on the stirrer shaft. The design is complemented by a CAD model and drawing documentation.
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Exogenic alteration of geomaterials with anomalous content of hazardous elements
Udatný, Martin
of dissertation thesis Exogenic alteration of geomaterials with anomalous content of hazardous elements The research of waste materials from high temperature processes belongs to current issues solved in the field of modern environmental geochemistry. Current research has mainly been focused on fly ash and bottom ash coming from metallurgy, combustion and other industrial processes. In these wastes of different grain size, accumulation of hazardous elements occurs. These elements may be present in low concentrations in combusted coal or municipal solid waste or it may come from ore processing. Hazardous compounds are also intentionally added during the technological process (e.g. making of lead glass). Modern industrial plants are equipped with effective filtration systems, but this might not be in the past. In the Czech Republic and elsewhere in the world old environmental burdens are and will be addressed. Current modern filtration systems are never 100% efficient. Contamination of surrounding environment in a lesser extent can still occur. The production of lead glass (Bohemian Crystal) is based on the addition of lead compounds in the glass raw material. Additions of these substances providing a high refractive index of the finished product. Also compounds containing other hazardous elements...
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Design proposal of thermo-vacuum chamber for space segment testing
Udatný, Martin ; Mašek, Jakub (referee) ; Lazar, Václav (advisor)
Diplomová práce se zabývá termo-vakuovým testováním kosmických zařízení a návrhem termo-vakuové komory ve které jsou testy prováděny. V teoretické části jsou popsány testy a požadavky na ně, zejména požadavky vycházející z ECSS standardů. Dále jsou popsány prvky komor a podsystémy běžně používané v praxi. V praktické části je vytvořen koncepční návrhy termo-vakuové komory obsahující tři alternativní varianty řečení, které jsou následně porovnány a na vzhledem ke stanoveným parametrům je vybráno nejoptimálnější řešení. Zvolené řešení je dále rozvinuta o MKP strukturální analýzu a výběr hlavních komponent zajišťující splnění stanovených požadavků. Hlavními výstupy práce je CAD model termo-vakuové komory a schéma infrastruktury subsystémů. Tyto výstupy mohou sloužit jako základ pro kompletní návrh termo-vakuové komory.
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Design of a mixing vessel
Udatný, Martin ; Štěpánek, Vojtěch (referee) ; Hermanský, Dominik (advisor)
The content of this bachelor thesis is to present the mixing process and design of mixing vessels for the pharmaceutical and chemical industries, then to design mixing vessles from specified parameters. The stirrer is driven by an electric motor and can operate at variable speeds. The main calculations in the design are the calculation of the power input of the stirrer and the control of the stress on the stirrer shaft. The design is complemented by a CAD model and drawing documentation.
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Exogenic alteration of geomaterials with anomalous content of hazardous elements
Udatný, Martin ; Mihaljevič, Martin (advisor) ; Strnad, Ladislav (referee) ; Vaněk, Aleš (referee)
of dissertation thesis Exogenic alteration of geomaterials with anomalous content of hazardous elements The research of waste materials from high temperature processes belongs to current issues solved in the field of modern environmental geochemistry. Current research has mainly been focused on fly ash and bottom ash coming from metallurgy, combustion and other industrial processes. In these wastes of different grain size, accumulation of hazardous elements occurs. These elements may be present in low concentrations in combusted coal or municipal solid waste or it may come from ore processing. Hazardous compounds are also intentionally added during the technological process (e.g. making of lead glass). Modern industrial plants are equipped with effective filtration systems, but this might not be in the past. In the Czech Republic and elsewhere in the world old environmental burdens are and will be addressed. Current modern filtration systems are never 100% efficient. Contamination of surrounding environment in a lesser extent can still occur. The production of lead glass (Bohemian Crystal) is based on the addition of lead compounds in the glass raw material. Additions of these substances providing a high refractive index of the finished product. Also compounds containing other hazardous elements...
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