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Fireplace for heating
Kalousek, Lukáš ; Baláš, Marek (referee) ; Lisý, Martin (advisor)
The main topic of thesis is a measurement realized on the fireplace-insert. Thesis is consists of three parts. First part is focused on wood combustion and overview of fireplace-inserts construction. Second part contains the description of fireplace-insert Bety and accomplished construction changes. Third and main part is consists from measurements, calculations and finally assessments of measurement´s configurations.
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Domestic heat pumps
Merta, Libor ; Lisý, Martin (referee) ; Pospíšil, Jiří (advisor)
The Bachelor´s Thesis deals with domestic heat pumps. It is devided into two basic parts. In the first part, an operating principle, components and various types are described. Particular kinds of low-energy sources including characteristical features and comparision are mentioned there as well. In the second part, a project for a domestic heat pump is prepared. The project includes proposition of a particular heat pump, a borehole and an amount of heat needed for heating and a preparation of warm water. At the end, a complete economical balance including an economic return of the investment is mentioned.
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Development of camp stoves
Strmiska, Pavel ; Lisý, Martin (referee) ; Baláš, Marek (advisor)
Many self-designed solid fuel stoves are used for the purpose of cooking during summer camps. These stoves are often build only using personal experience without any kind of mathematical basis. This thesis analyzes such a stove from the perspective of combustion characteristics, heat exchange and pressure drop. It also discusses possible ways to optimize such a stove. Thesis also includes a short summary of few different biomass cookstoves.
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Comparison of methods of determination of LHV and HHV
Jahn, Jiří ; Lisý, Martin (referee) ; Baláš, Marek (advisor)
This bachelor thesis is focused on the comparison of the accuracy of the determine of the higher heating value and lower heating value using the equations. The calculation is based on the contents of samples in the fuel, ie from the data obtained by ultimate analysis. Higher heating value and lower heating value of each fuel type was obtained by calorimeter measurement and considered to be the exact value of the fuel. The output of the work is the evaluation of suitability and accuracy of the examined equations and introduction equations appropriate for biomass.
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Production of Unmeasured Emissions by Combustion in House Boilers
Chlubna, Martin ; Lisá, Hana (referee) ; Lisý, Martin (advisor)
This bachelor thesis deals with the production of non-monitored pollutants during combustion in domestic boilers. The theoretical part is made up of a research study dealing with pollutants and their legislation. In the experimental part combustion tests for coal and wood of different moisture are made. In conclusion, the measurement results are evaluated on the basis of chemical analysis.
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Agropellets Properties
Němeček, David ; Špiláček, Michal (referee) ; Lisý, Martin (advisor)
This thesis solves problems of combustion of agropellets and the advantages and disadvantages, which are connected with their application in combustion devices. In this thesis at first there is divided biomass, where it primarily concentrates on the plant biomass and it constitutes some used types, which are used to a fuel production. In the next part it solves problems of production of pellets, the advantages and disadvantages of this production and the advices for superior pellets. In the final theoretical part it solves combustion of this fuel. It is about properties of pellets, problems of combustion and this work also deals with emissions of combustion agropellets. In the last part the thesis engages in experimental detection of agropellets properties and plant biomass as such and subsequent comparison to wood biomass and tabular values.
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Topical and Advanced Possibilities of Heating by Thermal Pumps
Božek, Michal ; Brázdil, Marian (referee) ; Lisý, Martin (advisor)
The bachelor's thesis is focused on search of one of the many methods of home heating systems, specifically on heat pumps. The first part describes the structure of heat pumps, the principle of how they work, main types, their two most important parameters and comparison of them to other systems of heating. The second part contains comparison of individual heating systems from economical point of views on a selected model house.
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Agropellets for House Boilers
Čaňo, Lubomír ; Milčák, Pavel (referee) ; Lisý, Martin (advisor)
This bachelor thesis deals with the characteristics of the agropellets and with their combustion in the house combustion units. In the introduction of the first part is described what the agropellets are and how they are produced. It is followed by a characteristics of the agropellets as a fuel and by their comparison to the other solid fuels. The end of the first part is dedicated to a combustion itself and the creation of emissions during it’s combustion. The second part of the bachelor thesis is focused on a practical verification of the characteristics of the selected agropellets as a fuel. It also includes the experimentally measured values of emissions during their combustion.
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Increasing of electricity production in BGS using ORC cycle
Beck, Michal ; Baláš, Marek (referee) ; Lisý, Martin (advisor)
Objective of this Master’s thesis is to make search about generation and use biogas, with focus on cogeneration and to make search about possibilities of increasing the share of production of electricity by cogeneration from biogas. This final work has also the task to summarize possibilities of increasing the share with ORC cycle and to evaluate pros and cons of this use. Main part of this work is dealing with own design of increasing production of electricity with cogeneration from biogas in biogas station with ORC cycle and comparing this modification with steam engine.
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Impact of Biomass Storing on Heating Value
Černý, Michal ; Špiláček, Michal (referee) ; Lisý, Martin (advisor)
The main aim of my bachelor´s work is the experimental verification of the landfill impact on the parameters biomass. The first part deals with definition, the formation of a basic biomass division. In the next section we find the issues concerning the burning, fuel composition and emissions during combustion. The last part deals with the influence of climatic conditions on the biomass degradation. In the experimental part were measured calorific calorimeter. The result was that, after a measured period of five months to avoid significant degradation of the fuel.
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