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Cost comparison of houses made of classic materials and houses made of natural material
Lošáková, Jana ; Gilar, Ing Přemysl (referee) ; Výskala, Miloslav (advisor)
This diploma thesis is focused on a comparison of construction cost of the house made of classic materials with the equivalent made of natural building materials and consequently on comparison of both construction variants. In order to perform those tasks, the used natural building materials were defined. Furthermore, the specific options of usage of these natural building materials as well as the used composition structures were introduced. The thesis concludes with a price calculation of the constructions made of natural building materials which were not available in the common budgetary software. The appendix of the thesis contains budgets for the first variant, where the house is made of natural building materials, and also for the second variant, where the house is made of classic materials.
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Alternative construction - clay houses
Smékalová, Kateřina ; Vaňková, Lucie (referee) ; Krejza, Zdeněk (advisor)
The thesis deals with alternative construction based on natural and renewable materials. A part of the thesis is processing of legislative, technical and material possibilities. Accent is put on cost-oriented price, market price and analysis of individual construction parts of the building with the final economic evaluation of the case study.
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Cost of construction of houses of alternative building materials
Lošáková, Jana ; Gilar, Ing Přemysl (referee) ; Výskala, Miloslav (advisor)
This bachelor`s thesis deals with cost of construction of houses from natural building materials. There are defined natural building materials. There are also introduced their properties and specific options of use of individual materials. Prices and properties of materials are compared with prices and properties of industrially produced materials. This thesis is supposed to show, that there is no need to be affraid of using natural building materials. These materials are fully comparable, ether by price and its features, with materials commonly used.
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Solid Particle Emissions from AgroPellets Combustion
Svoboda, Marek ; Milčák, Pavel (referee) ; Lisý, Martin (advisor)
This thesis is divided into two parts. The first part deals with defining the main concepts, properties of biomass and pellets. Further, the procedures for measuring agropellets properties according to valid standards are mentioned. The following is a selection of the raw materials for the production of agropellet, with the determination of their properties. The theoretical part closes background research emissions from combustion and emission standards for a solid fuel boiler. The second part is an experimental one, which determines the formation of solid pollutants in combustion of four types of pellets made from alternative sources. Here are the graphs of the gaseous emissions of each of them. At last there will be a comparison of emissions agro pellets with more widespread wood pellets.
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Steam boiler with grate firing burning wheat straw
Křivák, Petr ; Kohout, Přemysl (referee) ; Lisý, Martin (advisor)
The aim of the thesis is the design of the steam grate boilers of 40 t/h for straw burning. The required parameters are generated steam temperature 420 ° C and a pressure of 5.5 MPa. The specified fuel is cereal straw with a calorific value of 9.5 MJ/kg. The calculation is made from the stoichiometric calculation of elemental analysis, to calculate the individual dimensions and heating surfaces of the boiler.
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Detached Family Residence
Mikuš, Martin ; Vávra, Petr (referee) ; Vajkay, František (advisor)
The subject of this work is the design of a detached family house in area Nove Domky near Jihlava in which natural construction materials were used. Instead of concrete or bricks, this building is designed with materials such as straw, rock, timber, clay, hemp or sheep's wool. Furthermore, the work deals with methods of plumbing, electrical installations and heating. The possible utilization of natural energy resources or ecological processing of waste were also taken into account. The conclusion contains the financial comparison with a building where traditional and industrially produced materials are used.
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Combustion of Paper Pellets
Veselý, František ; Elbl, Patrik (referee) ; Lisý, Martin (advisor)
The bachelor thesis deals with combustion of pellets of wheat straw with paper sludge additive. The work is divided into two main parts. The first part deals with theory of combustion and pellets. The second part is experimental and describes combustion test and measurements.
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Design of single-purpose cutting machine for shortening of plant stems
Žižka, Jakub ; Brandejs, Jan (referee) ; Vespalec, Arnošt (advisor)
This bachelor thesis deals with the design of a single-purpose machine for cutting plant stems. The task of the machine is to cut already partially shortened and stripped wheat straw stalks to the required length. The operation of the machine is fully automated, the operator only ensures the supply of semi-finished products to the machine, removes the finished stalks and controls the operation of the machine. In the thesis is a search describing the existing technologies used for cutting plant stalks, the possibility of driving a single-purpose machine and possible solutions for transporting stalks. The research also includes an analysis of the necessary mechanical and physical properties of wheat stalks. Subsequently, the analysis of information from the research part of the thesis and the definition of important parameters for the design construction balance sheet is performed. In the practical part of the work are developed concepts of possible solutions of individual structural nodes and justification of the choice of individual solutions. The second part of the practical part deals with the construction design of a selected conceptual design, including calculations. The work shows a possible solution for the construction of a machine for processing semi-finished products with a large variety of shapes.
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