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Mechanical screens for a small hydropower plant
Lesák, Martin ; Zeizinger, Lukáš (referee) ; Škopán, Miroslav (advisor)
In the introductory part of this bachelor thesis is performed a critical search of wiper mechanisms used to clean the screens of a small hydroelectric power plant. The work also contains a substantiated concept of the proposed solution, strength calculations of important structural elements and drawing documentation of selected components.
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Evaluation of entropy sources in common computers
Bafrnec, Matúš ; Zeman, Václav (referee) ; Burda, Karel (advisor)
This thesis is focused on entropy sources and their evaluation. It includes a brief introduction to the information theory, description of entropy sources, their parameters and characteristics and methods of evaluation based on the NIST organisation standard SP 800-90B. The following part of the thesis is dedicated to the description of two created programs and evaluation and comparison of entropy sources. Additionally, the last part describes the usage of hash functions in association with entropy sources.
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Evaluation of gas flow in the scintillation detector at different profiles and sizes of holes in the screens that have shaped the network
Truhlář, Michal ; Špinka, Jiří (referee) ; Maxa, Jiří (advisor)
This work deals with the flow of gas in the scintillation detector. Thesis describes the function of an electron microscope, the composition, distribution and development of microscopes from the earliest to modern. The work also includes familiarization with SolidWorks 3D modeling in which is the electron microscope modeled and Cosmos FloWorks in which they are carried out simulations of gas flow. The paper is focused on the flow of gas in various shapes of the screen and various pressures in chamber of specimen. The results of the analysis of both apertures variants are compared with the request to minimize the pressures in the trajectory of the secondary electrons of well as in the chamber of specimen.
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Construction scintillation detector with one aperture for environmental scanning electron microscope
Přichystal, Vít ; Vyroubal, Petr (referee) ; Maxa, Jiří (advisor)
The thesis is focused on the design of a scintillation detector with one screen for environmental scanning electron microscope. At the beginning of the work is an introduction to microscopy. Further work is focused on the description of ESEM microscope and a scintillation detector. The following chapter is devoted to the dynamics of flow. They list the types of flow and mathematical description of equations. The next chapter is about using the software and the way of solution of flow. In the following chapter describes a proposal of the diaphragm and extraction method of the detector area. They are described some of type aperture. The last chapter is the conclusion, where the work is summarized.
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The amount of waste from wastewater treatment process
Žíla, Radim ; Macsek, Tomáš (referee) ; Hluštík, Petr (advisor)
This Bachelor's Thesis is focused on the amount of waste produced by the sewage treatment plants for the amount up to 2.000 equivalent inhabitants with the gravitational inflow. There are all the types of individual sewage treatment plants of the size up to 2.000 equivalent inhabitants listed in the first section of the theoretical part and the second section of the theoretical part deals with the thorough analysis of all the objects within the sewage treatment plant, their draft specifications and the description of the waste handeling. The practical part of this Bachelor's Thesis deals with the evaluation of the production of waste for the amount up to 2.000 equivalent inhabitants in individual municipalities within the South Moravian region. More specifically it describes the waste of screenings, sand, insoluble substances and sludge on one equivalent inhabitant and its subsequent comparison with the regulation according to ČSN. The evaluation compares all the municipalities among each other and their production of waste is also compared to ČSN.
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Hydraulic rake screen
Růčka, Martin ; Malach, František (referee) ; Malášek, Jiří (advisor)
This thesis deals with the structural design of hydraulic raking screens placed before a sewage treatment plant. The first part describes various possibilities of water treatment from individual particles. The second part deals with basic parameters of screens and calculations of propelling power for previously chosen structure. Furthermore, a strength check of structure under the most unfavourable load is performed. Drawings of the whole assembly of hydraulic raking screens, plus a few selected components are attached to the thesis.
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