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Analysis and a Proposal of a Way of Using Brownfields in Brno
Valová, Lenka ; Vařechová, Martina (referee) ; Čech, Josef (advisor)
This thesis deals with the issue of re-use of brownfields. The main aim of the thesis is to find the best possible use of a specific brownfield in the city of Brno. The subject of this draft is a brownfield called Bývalý hotel Metropol located in the Brno district of Trnitá. The draft solution is based on analyzes of the given site and is elaborated in three possible variants which are evaluated in therm of implementation costs and expected returns.
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Urban Planning in Practice
Pravdík, Petr ; Čech, Josef (referee) ; Superatová, Alena (advisor)
The thesis brings urban planning and sustainable development. Introduces low-energy construction and its types. Closer focuses on self- sufficient house, describing his characteristics, principles, and selection of suitable location. Finally, the work addresses the legislation associated with the placement of a self-sufficient house on suitable parcel.
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Quality-evaluation tools for Al-alloy die-castings
Rozman, Jiří ; Vašíček, Richard (referee) ; Čech, Jaroslav (advisor)
The goal of this diploma thesis is to on a practical example, with use of the quality system, describe the current state of input casting inspection in Tribotec Ltd. and output casting inspection of casting suppliers in this company and to suggest a new way of output casting inspection on Tribotec Ltd. with higher quality of spoilage rate survey of supplying casting already at the input inspection stage.
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Evaluation of statistical quality control (SPC) in solving the stability of processes in die castings
Hejduk, Oldřich ; Morávková, Jitka (referee) ; Čech, Jaroslav (advisor)
The aim of the theoretical part of this thesis is to describe the system of the aluminium casting alloys, with focus on the aluminium castings used for die casting. In this part of the thesis the different methods of the quality management are described. The practical application of these methods is described in the experimental part of this thesis, in which we focus on the evaluation of the statistical quality management and the process stability of the die casting parts of the selector mechanism cover. This part of the thesis also contains suggestion for the QFD method for this cast.
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Assessment of Costs Associated with Heating a New Energy-Efficient House
Šebelová, Denisa ; Klika, Pavel (referee) ; Čech, Josef (advisor)
This diploma thesis addresses the economic assessment of the methods of heating and combinations of technologies for energy saving. The objective of this work is to assess the economical effectiveness of individual types of sources of heating. It is first necessary to established gross requirements of energy for heating, water heating, and other household operations. Based on this information, suitable sources are determined. Alternative energy sources are other aspects for consideration – controlled ventilation with heat recovery, and photovoltaic cells. The aim of the thesis is to identify which combination of those technologies is the most economically effective for the opted house. This work aims to help the investor in decision making about the technological solution of heating and power purchase. The outcome is a complex evaluation of different options for the assessed house.
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Al-alloy die-castings-trends in industrial
Rýdel, David ; Pacal, Bohumil (referee) ; Čech, Jaroslav (advisor)
The objective of this diploma thesis is to state the influence of porosity, DAS and shape factor on mechanical characteristics for the cast transmission cover made in Kovolit Modrice a.s.Which was molten from AlSi9Cu3. It was used an imaging software (Olympus Five) for classification of metallographical structures.
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Study of the main factors affecting quality in technological processes
Talanda, Ivan ; Nová, Iva (referee) ; Čech, Jaroslav (advisor)
The aim of this bachelor’s thesis is to theoretically describe porosity problems of casts of aluminium alloys that are made via die casting technology. The thesis is focused on influence of porosity on mechanical properties of casts. Theoretical dependencies were verified in experiment, which is based on new measured data and data witch were taken from diploma theses and science articles written by other students of the University of Technology in Brno. The samples used in experiment come from engine blocks, which were made by technology of die casting or die casting with local squeeze casting.
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Design of synchronous linear motor thermal network
Čech, Jan ; Toman, Marek (referee) ; Knebl, Ladislav (advisor)
The first part of this thesis deals with the study of linear motors. The introduction of the thesis deals with the brief description of the linear motor, including its accessories. This part explains principle of linear motors, their general advantages and disadvantages. The next section contains an overview and division of the currently used linear motors. The second part deals with the theoretical description of forms of heat transfer. The third part of the thesis deals with the design of an equivalent thermal circuit model of a linear iron-core linear motor with permanent magnet. Hereafter, the proposed design will be used to calculate the temperatures of the individual motor units. The temperatures are later compared with the results obtained with finite element method.
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Analysis and design of the use of brownfields in Pardubice
Pechánek, David ; Hlavinková, Vítězslava (referee) ; Čech, Josef (advisor)
This diploma thesis is focused on analysis and design of new use of brownfields. The solved brownfield is located on the territory of the statutory city of Pardubice. The thesis first describes the current state of knowledge concerning the issue of brownfields, including examples of already solved, similar projects. Furthermore, the methods that will be used in the creation of the design are presented and the initial data related to the solved brownfield are given. The proposal part of this diploma thesis presents a proposal for a new use of one of the brownfield subsectors and describes the phasing of construction. Then, the individual variants of the design are introduced, differing in the different trading of the building after its construction. These variants are then analyzed and compared. Using the analysis of HAB, the best possible solution variant is selected and a procedure for its implementation is proposed.
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