National Repository of Grey Literature 164 records found  beginprevious145 - 154next  jump to record: Search took 0.01 seconds. 
Comparison of backwashing principles in mechanical filters for drinking water
Zedníček, Václav ; Bělohradský, Petr (referee) ; Haltmar, Břetislav (advisor)
Aim of the thesis is to conclude and widen knowledge of backwashing principles in order to find potential use in Honeywell water filters. The aim of the first part is to make a research and to compare principles of backwashing in water filters. In last parts of the thesis three prototypes of backwash filters are designed and tested and feasibility study is made. Finally, their suitability for further use based on previous findings is assessed.
Screw turbine form small hydro-power plant
Sklenář, Vít ; Hrnčířová, Michaela (referee) ; Pospíšil, Jiří (advisor)
The aim of this work is the research of small hydro power plants, design of main structural dimensions of screw turbines for small hydroelectric power plant and the subsequent evaluation of the economics of production. The thesis is divided into four main parts. The first part deals with general information about small hydropower plants. In the second part the screw turbine and its accessories are introduced in details. In the third part the screw turbine is designed for a specific location. The fourth section compares the possibilities of manufacturing hydrodynamic screw.
Adaptation of historical technical facility on the small hydroelectric power
Čermáková, Klára ; Sluše, Jan (referee) ; Hudec, Martin (advisor)
Small hydroelectric power stations are the topic of this bachelor thesis which can be divided into three parts. The first one describes a history of utilising water energy, elementary types of hydropower projects, and classification of hydroelectric power stations. The second part is focused on small hydroelectric power stations. Finally the acquired knowledge is used in the last part describing the proposal of an adaptation of the water mill in Lomy to a small hydroelectric power station.
The use of Steam Turbines
Kissler, Martin ; Vojáčková, Jitka (referee) ; Fiedler, Jan (advisor)
The aim of this bachelor’s thesis is to present the development of steam turbines from their construction to the detailed description of one of the major representatives of the modern turbines. The introduction of my thesis focuses on the historical development of the first turbines and their division according to the basic aspects. It is followed by a description of the use of steam turbines to generate electricity, for driving machines and for use in heating plants. The conclusion of my thesis is a detailed description of the turbines located on Nuclear Power Plant. To the description is added a simplified calculation.
Modern methods of supercharger internal combustion engines
Blaha, Adam ; Mauder, Tomáš (referee) ; Štětina, Josef (advisor)
This bachelor´s thesis is aimed at the supercharged engines with the internal combustion. Here are mentioned various types of a charging considering design and use, typical diagrams appearance and the boost control. Considering the name of this bachelor´s thesis the old types of charging or these which are not in use today for any reason are not purposely mentioned here.
Modern turboprop engine for aircraft to 5700kg MTOW
Košař, Miroslav ; Nastálek, Ondřej (referee) ; Šplíchal, Miroslav (advisor)
This bachelor’s thesis contains a database of available turboprop engines with power up to 2000 kW for aircraft with take-off weight of up to 5700 kg. It briefly mentions basic information about turboprop engines. The main part contains an overwiev of chosen engines and their comparison in the form of tables and graphs. Furute predictions are briefly mentioned in the ending.
Welding analysis of turbine rotor
Minář, Luděk ; Daněk, Ladislav (referee) ; Kubíček, Jaroslav (advisor)
A research bachelor thesis analyzes possibilities of welding on turbine rotors with emphasis on efficiency, productivity and economy of welding procedure. The work evaluates presence of failures in weld joint and effort to prevent them. Characteristics of turbine materials, which resist to high service temperatures are presented on the literature sources basis. Concept of welded turbine rotor is preferred, because it has many advantages in using big steam turbines for power industry.
Renewable energy sources in CR
Fryčová, Martina ; Škvařil, Jan (referee) ; Fiedler, Jan (advisor)
Goal of this thesis is to introduce renewable resources in the CR, with a focus on water energy, and there is also a description of specific MVE.
Renewable energy sources in CR
Pokorný, Tomáš ; Chroboczek, Libor (referee) ; Fiedler, Jan (advisor)
Renewable energy sources in CR with a view to small water power plants. Bachelor's thesis of common bachelor studies of 3th years. This bachelor's thesis is technical literature search. The contents of this search is an analysis of a mechanical equipment of that are used for small water power plants, analysis of history and present state of exploitations water sources and display of elementary performance calculations for a given locality.
Reneweblw energy source at Slovakia
Szegedi, Peter ; Borbély, Richard (referee) ; Fiedler, Jan (advisor)
The bachelor thesis is divided into five main issues. The first issue is dealing with history of exploitation of water as a power supply in Slovakia and is describing current situation of exploitation of watercourses. The next part of the thesis is describing a present condition of power industry in Slovakia, its future perspective and a possibility of deriving benefit from the most perspective renewable resources of energy. The essential issue handles with water power stations ant its description. The last capture is focused on small hydroelectric power stations and technic – economical evaluation of three concrete SHPS. The conclusion is attending to short overview of information obtained by writing the bachelor thesis and to author’s own estimation of development of renewable energy sources situation in Slovakia.

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