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Feasibility study of a small hydropower station within the navigation lock Přelouč II
Kratina, Jakub ; Čejda,, Marek (referee) ; Dráb, Aleš (advisor)
The content of this diploma thesis is a feasibility study of a small hydropower station within the navigation lock Přelouč II. This work builds on the framework proposal of one variation of layout arragement of the navigation lock. In this variant is considered to build a lock, which also includes a small hydropower station. At the beginning, the location of individual building objects is resolved with respect to the conditions in the locality. This is followed by a more detailed development of the building and technological part of a small hydropower plant. Part of the thesis is accompanying and technical report, drawing documentation, hydrotechnical and hydroenergetic calculations and photographic documentation.
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Evaluation of operation of small hydropower plant
Bartoš, Josef ; Dráb, Aleš (referee) ; Špano, Miroslav (advisor)
The bachelor's thesis deals with the quantitative expression of the reliability of operation at MVE. In the introduction, the work deals with the theoretical part, especially a more detailed description of individual indicators and mathematical expression of these indicators. The following is a description of the power plant, which is divided into individual parts. Furthermore, the evaluation is presented, which is based mainly on the theoretical part and the results are displayed, among other things, in graphical form.
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Feasibility study of the pumped storage power station
Školník, Martin ; Golík,, Pavel (referee) ; Dráb, Aleš (advisor)
This master’s thesis deals with the feasibility study of the pumped-storage hydropower plant. Design is divided at three parts – upper water-reservoir with water intake, penstock with cabel tunnel and mechanical room with four Francis reversible turbine. Study contains engineering report, hydraulic calculations, photodocumentation and drawing documentation.
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Hydraulic assessment of surge waves in the Strekov weir reservoir
Stříž, Jaroslav ; Duchan, David (referee) ; Dráb, Aleš (advisor)
The main aim of the thesis is to assess the origin of surge phenomena, primarily surge waves at the weir pool Střekov, using the selected methodology. The paper is divided into several parts. There is a brief introduction to the problematics and research of possible solution methods, followed by a verification of these methods on a physical model and finally an application of a numerical method for an assessment of the chosen locality.
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Experimental verification of flood hose bag functionality
Valdová, Klára ; Dráb, Aleš (referee) ; Žoužela, Michal (advisor)
This bachelor's thesis deals with functionality verification of one type of flood protection system. It is a large-volume hose bag Protex-K with the nominal diameter of 680 mm, which is supplied by the company KOEXPO OSTRAVA, joint stock company. The bag is made of polyethylene fabric and filled with cement and fly ash mixture, which is fed into the bag by means of screw pumps. The first part of the work is focused on the classification of flood barriers and their laboratory tests. The bag with the nominal diameter of 680 mm underwent the stability test, its discharge coefficient and specific leakage were determined. The volumic mass of the cement-flyash mixture was determined both in the dry and in the saturated condition. All these tests were performed in the laboratory of Water Management Research of the Faculty of Civil Engineering Brno University of Technology. The work also includes the data obtained by measuring, processed and presented in the tabular and graphical form.
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Experimental verification of flood kidney three bag functionality
Požárová, Miroslava ; Dráb, Aleš (referee) ; Žoužela, Michal (advisor)
This bachelor's thesis deals with the system of large-volume flood bags Protex - K manufactured by the company KOEXPRO OSTRAVA, joint stock company. The bags consist of polyethylene fabric filled with cement and fly ash mixture. The system enables creation of many shape modifications. One of them is the so-called triplet formed from three hose bags with the nominal diameter of 300 mm. The goal of the work was to verify functionality of this bag in one of the hydraulic troughs in the Laboratory of Water Management Research of Department of Water Structures of the Faculty of Civil Engineering, Brno University of Technology. To assess the functionality, the bag stability was tested with various water levels, and discharge coefficient and specific leakage per one standard meter of the bag was determined. The resulting discharge coefficient was compared with discharge coefficients of similarly shaped constructions. The work includes comparison of the flood bags with commonly used bags. Furthermore, the data obtained by measuring and processed in the tabular and graphical form are presented in the work.
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