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Výpočet tepelné bilance využití latentního tepla spalin pomocí kondenzátoru / Calculation of the heat balance of latent heat utilization of flue gases by means of a condenserToman, Filip January 2018 (has links)
Thesis is focused on calculation of the condenser of flue gas, which is created by burning of natural gas. In the first part is theoretical overview of equations describing film condensation and physical properties of the flue gas. The second part deals with practical thermal calculation of the specified condenser. In third part parametric study is done in which a tempature of cooling water at inlet and the coefficient of excess air are changed. The last part of the thesis is dedicated to geometric design of the flue gas condenser whose required power is 8 MW.
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Energetická náročnost získávání vody kondenzací vzdušné vlhkosti / The energy intensity of water acquisition by condensation of air humidityHamerský, Tomáš January 2019 (has links)
The master's thesis deals with actual possibilities of acquisition water from air humidity in order to obtain fresh water, focusing on energy intensity of vapor-compression refrigeration for it is production. There is a basic determine study for Czech climatic zone in selected localities. For graded cooling capacity dependencies describing the acquisition of water from the air, where is the energy intensity ranges on average between 0,3 ÷ 0,5 kWh/l. For the selected family house are set the individual variants of non-potable rainwater management.
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Návrh chlazení elektrických strojů pro výrobní stroje a systémy / Design of cooling of electrical machines for production machines and systemsVaněrková, Tereza January 2020 (has links)
The aim of this thesis is to design the water-cooling system for a synchronous motor with an output of 10kW. The power loss was analytically determinated. For the initial water-cooling system and for two design proposals, thermal models were calculated in Ansys. The same boundary conditions were set for all three models. Then the analysis results of the temperature distribution on the machine surface and in the slots were compared. The comparison also includes the economical cost of the production and service of the machine. Then the production documentation was created, consisting of the assembly drawings and a simplified technological process.
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Zdravotně technické a plynovodní instalace ve škole / Sanitation installation and gas installation at schoolPecháček, Martin Unknown Date (has links)
This Diploma thesis deals with design of sanitary instalation and gas instalation in high school. It is high school with four floor and a basement. The teoretical part is focused on water supply from own source. The Computational part and project includes a porposal of sanitary and storm sewer, water supply system, pipeline and their connection to current pipes.
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Spotřeba vody z veřejných vodovodů / Water demand in water supply systemsPikal, Martin January 2014 (has links)
Within this diploma thesis were evaluated factors, affecting consumption of drinking water from water supply system. Evaluation of time series of water consumption and chosen factors was performed using tools of mathematical statistics. In the last step was performed a dependence analysis of water consumption using artificial neuron network ANN. Diploma thesis was solved in cooperation with company Vodárenská akciová společnost, PLC and Severomoravské vodovody a kanalizace Ostrava, PCL.
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Návrh povrchové úpravy mokrým lakováním / Proposal surface treatment by wet paint spraying finishingVozdecká, Eva January 2008 (has links)
This thesis resumes both theoretical and practical knowledge with surface protection by wet painting which the student achieved during her studies and within her practice which she got in the painting shop of cabs for building, handling and agricultural machines. In her thesis the student has found out that one of current trends focuses on the method which is ecologically friendly and preserves paint lifetime. To achieve that, ED-coat painting is used first and then followed by the painting of waterborne paint. Within the scope of her thesis objective she has also optimised the process of surface protection respective technological pre-treatments and parameters which are carried out during ED-coat and e-coat painting, such as optimal thickness of coating, temperatures or technological time outs.
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Ovlivnění zbytkových pevností slévárenských jader s biogenním pojivem / Influencing of residual strength of foundry cores bonded with biogenic binderŠebesta, Pavel January 2015 (has links)
Foundry technology is an industrial sector, where progress is still the important aspect for reducing the environmental impact and increasing competitiveness. Master's thesis is focused on the possibilities of influencing residual strength of the core moulding mixtures with the biogenic binders, which forms a new group of binder systems.
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Vývoj systémů zděných konstrukcí s použitím v záplavových oblastech / Development of masonry systems with utilization in flood areasFabiánková, Aneta January 2017 (has links)
Thesis describes the system of masonry structures in floodareas. It is based on liteature review of floods, mapping mansonry load during floods, dyinig after the passage of the flood wave solutions and water impermeability construction to prevent degradation and destruction. The main part is the design of the wall, which connectes hydrophobic individual elements of construction to provide resistence during floods. The diploma thesis includes practical verification of the functionality of a complete proposal to ensure the smallest possible water absorption caúitaly of the structure.
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The New Orleans Voodooscape. Ethnography of Contemporary Voodoo Traditions of New Orleans, LouisianaDorsman, Roos 23 September 2021 (has links) (PDF)
In New Orleans, Louisiana, voodoo is omnipresent. There is voodoo in a more religious sense, that is generally more secretive, and there is a highly visible side to voodoo, that is shown in the many references to voodoo in a commercial or political sense throughout the city.Based on ethnographic fieldwork, this dissertation demonstrates that the criteria that define the boundaries of what is voodoo are debated by the practitioners and the authenticity of certain events or practices is often internally contested. To include all these debates, the broader concept of ‘voodooscape’ is introduced in this dissertation.The concept of voodooscape is a useful tool for the analysis of voodoo in New Orleans, because it includes these debates and the large domain where negotiations on voodoo take place. This dissertation contains ethnographic descriptions of these negotiations, with a focus on the ways in which the ‘voodooscape’ embodies memories of the history of slavery and the ways of coping with these memories. The voodooscape both mobilizes these memories and how to cope with these memories at the same time. In a similar way, the voodooscape mobilizes the memories of more recent events, of which hurricane Katrina and the current violence that caused the rise of the Black Lives Matter Movement are the most important ones in New Orleans. The theoretical contribution of this work lies in the introduction of the concept of voodooscape, that allows a nuanced analysis and understanding of voodoo, through which several socially relevant dimensions are displayed and connected, namely: race, politics, music, art, heritage, tourism and commerce. / À la Nouvelle-Orléans, en Louisiane, le Vaudou est omniprésent. On y trouve le Vaudou dans sa signification religieuse, qui est généralement plutôt secrète, et son visage plus visible, qui s'illustre à travers la ville dans les nombreuses références aux incarnations commerciales ou politiques du Vaudou. À l'appui d'une enquête ethnographique, cette thèse démontre que les critères qui définissent les frontières de ce qui relève du Vaudou sont débattues par ses différents praticiens, de même qu'ils débattent fréquemment entre eux de l'authenticité de certaines pratiques ou événements. Pour rendre compte de tous ces débats, on a introduit le concept plus large de « Vaudousphère » [voodooscape]. Le concept de Vaudousphère est utile à l'analyse du Vaudou à la Nouvelle-Orléans en ce qu'il incorpore ces débats et les nombreux espaces où prennent place ces négociations sur le Vaudou. Cette thèse inclut des descriptions ethnographiques de ces négociations, en se focalisant sur la manière dont la « Vaudousphère » incarne la mémoire collective de l'histoire de l'esclavage et les stratégies d’accommodation avec cette mémoire. De même, la Vaudousphère mobilise les souvenirs d'événements plus récents, dont les plus importants à la Nouvelle-Orléans sont l'ouragan Katrina et la violence contemporaine qui a conduit à l'émergence du mouvement «Black Lives Matter». L'apport théorique de ce travail repose sur l'introduction du concept de Vaudousphère qui permet de conduire une analyse nuancée et compréhensive du Vadou, et à travers lequel plusieurs dimensions sociales pertinentes sont mises en évidence et en connexion, telles que: la race, la politique, la musique, l'art, l'héritage, le tourisme et le commerce. / Doctorat en Sciences politiques et sociales / info:eu-repo/semantics/nonPublished Read more
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Risk Analysis for Intermittent Water Supply Systems / Risk Analysis for Intermittent Water Supply SystemsAlayoubi, Mzayan January 2015 (has links)
Intermitted Water Supply strategy is implemented commonly in some developing countries nowadays in order to minimize the water scarcity problems. Unstable hydraulic conditions in the distribution system, low pressure, high risk of water contamination, wasting water, rising costs paid by consumers and water providers, failures and problems with consumption metering and inconvenience to consumers are some of the consequences. Risk Analysis Methodology is developed to handle with intermittent water supply systems in developing countries conditions that include undesired events identification; risk estimation and risk evaluation and reduction plan, the catalogue list of potential undesired events (UE) which may occur in these types of systems have been also developed using the HAZard and OPerability technique (HAZOP). The developed methodology is implemented and tested in this research on one of the potential undesired events UE _ Low operational pressure
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