National Repository of Grey Literature 15 records found  1 - 10next  jump to record: Search took 0.01 seconds. 
Vortex tube made by additive technology
Spáčil, Petr ; Šnajdárek, Ladislav (referee) ; Chýlek, Radomír (advisor)
The aim of this bachelor's thesis is designing and 3D printing of a detachable Ranque-Hilsch vortex tube. In the following chapters will be presented basic types of vortex tubes and its usage. Then the thesis deals with parameters, that have an impact on the effectiveness of vortex tube. In the main part, the design of individual parts is described. After 3D printing and assembling, the vortex tube's performance is measured with variations of some parameters.
Small Modular Reactors
Tichý, Marek ; Chýlek, Radomír (referee) ; Milčák, Pavel (advisor)
This bachelors thesis is focused on nuclear energy. It describes the generations of nuclear reactors and their representatives. The main goal of this work are small modular reactors which are discussed in more detail. This thesis describes types of reactors, their descriptions and also their use cases.
Design of a unit for utilization of waste heat from a computing system
Valachovič, Filip ; Brázdil, Marian (referee) ; Chýlek, Radomír (advisor)
Global warming and the associated high energy costs are considered as the main problems at presents. As a result, there is an interest in reusing waste energy. This bachelor thesis is devoted to the design and assessment of the potential use of waste heat generated by the systems for the mining cryptocurrencies. The first part of the work deals with the process of mining cryptocurrencies as a whole and their energy consumption. The work, among other things, deals with the possibilities of cooling and subsequent recovery of waste heat from these systems. Part of the work is a theoretical design of a unit for waste heat recovery from mining rigs, considering immersion cooling with the resulting economic balance.
Modern technologies for self-sufficient houses
Popara, Nikola ; Chýlek, Radomír (referee) ; Špiláček, Michal (advisor)
The bachelor thesis deals with modern technologies for self-sufficient houses. In the theoretical part of the thesis individual energy sources are explained. Sources of energy are divided in two major groups and that is source of heat and source of electrical energy. In the next part of my thesis cost of energy sources from different companies is calculated.
Design of a heat source for heating a family house
Maštera, Václav ; Chýlek, Radomír (referee) ; Baláš, Marek (advisor)
This bachelor thesis deals with heating and a proposal of heat source for a family house. The first chapter concerns various heat sources for heating. They're divided by the type of fuel and by the heating method. The second part introduces and describes the house concerned. It also presents calculations of heat losses and the total amount of thermal energy. Following chapter pictures different variants of heating. The last chapter deals with the economic aspect of opted sources for the specific family house.
Design of test equipment for testing air-cooled steam condensers
Líška, Filip ; Chýlek, Radomír (referee) ; Kracík, Petr (advisor)
The work is focused on the design of a testing device for testing air-cooled condenser tubes. At the beginning of work are described basic types of industrial air condensers, possibilities of tube types and their materials. A radial fan that will supply cooling air to the wind tunnel is already purchased for the testing device. For minimum and maximum parameters, the basic geometry and state parameters are first proposed. Subsequently, the basic design was tested in the CFD. The result of the first model was not satisfying because the speed field has not been evenly changed to a straight tunnel. For these conditions, several variants have been tested in the second model, and the "blow" on the tubes inside the wind tunnel has been tested for the best variant.
Use of additive technologies (3d print) for the production of turbine components
Vaculka, Alexander ; Chýlek, Radomír (referee) ; Šnajdárek, Ladislav (advisor)
In the first part of my bachelor thesis I deal with types of additive manufacturing technologies. Describing principle, technological solutions, bring up some advantages and disadvantages and typical area of their usage. Following part describes chosen turbine components and their mechanical property, shapes, and manufacturing aspects. Last part compares mechanical properties of additive manufactured components with components produced in conventional ways.
Fine particles produced by the combustion process
Bunček, Patrik ; Chýlek, Radomír (referee) ; Pospíšil, Jiří (advisor)
The bachelor thesis deals with the issue of fine particles. The introductory chapter is focused on the general overview, formation and effect of fine particles on the human body. The following chapters aims to introduce combustion process and use of biomass. The experimental part of the thesis reports on results, evaluation and determination of fine particle formation for different environments and conditions.
Heat exchanger design
Para, Marcel ; Chýlek, Radomír (referee) ; Špiláček, Michal (advisor)
This final thesis deals with the design of the water-water heat exchanger, which is part of the cooling circuit. It contains a detailed thermal and hydraulic calculation. The work also includes a basic construction drawing.
Determination of stability of fuel feeding into boiler
Skalický, Michal ; Chýlek, Radomír (referee) ; Lisý, Martin (advisor)
This bachelor thesis deals with the determination of stability of fuel feeding into boiler. The principle of the screw conveyor is described at the beginning of the thesis. It is followed by a description of the individual parts of the worm. The second part of the research deals with the properties of the materials transported. The second half of the bachelor thesis is practical. In this section there are experimentally measured values of flow of sawdust and wood chips. At the end, the measured values are compared and evaluated.

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