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Possibilities of Solar Chimney Power Plants
Moravčík, Martin ; Macháček, Jan (referee) ; Procházka, Zdeněk (advisor)
This thesis contains teoretical summary of present situation of problems involved in solar chimneys development. In the first chapter there are mathematical methods for describing the functions of solar chimneys in general. It establishes figures for power output, efficiency, speed of flow inside the chimney and figures for desinging solar chimney. In the next chaper there is a division of solar chimneys and it mainly focuses on describing the solar updraft towers and solar floating chimneys. And marginally it focuses on solar downdraft towers. Next there are possibilities how to use principle of solar chimney for air conditioning and ventilation. In the next chapter it describes the use of solar chimneys, with cogeneration, hydrogen production, in cooling towers and chimneys, and there is also fully described the project in Manzanares. In the fifth chapter it describes the economy of the two comparative projects of solar chimneys, which are at the end economically analyzed and assessed. The last chapter is a summary of the objectives of this thesis, and the subsequent approach is described too and at last there is also evaluation of solar chimneys and the conclusion of this thesis.
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Restoration of limestone in Grygov
Otépka, Petr ; Mikeš, Stanislav (referee) ; Guzdek, Adam (advisor) ; Šuhajda, Karel (advisor)
The topic of my bachelor thesis was to prepare a documentation for the building permit and in part C a documentation for the construction. The documentation is based on an architectural study from the course “AG034 – Monument Restauration Studio”. The topic of the course was to think and to suggest a solution for the restauration of the former lime works building in Grygov that had lost its original use. Now it is falling into disrepair. Fortunately, the association “Za živou vápenku” is trying to bring the object back to life. After analysing the external influences, the needs of the inhabitants of Grygov, the requirements of the association and after preliminary construction-technical survey, I came to the following concept. If I kept the industrial character and especially the Genius loci of the building, the operational costs would be too high and, in the future, it would probably start to decay again. As a suitable solution, I suggest creating a multifunctional object. It will be used to the full in the summer and only occasionally in the winter. It means that the interior of the building will be divided into two parts: fully heated and locally tempered. This way will also help to sensitively solve humidity in the building by the method of ventilated air gaps. The multifunctional building will include exhibition spaces, a multifunctional hall and other multifunctional rooms, small refreshments in the bistro, distillery and sufficient hygienic facilities. A special innovation will be the conversion of the chimney into a lookout tower. In spirit of pluralism, I examine the quality, monumental values, individual layers and elements for suitable methods of restoration. Then I highlight the best of all the examined parts and bring them closer to future visitors. The experience of this industrial space will lie in being itself. This object will get ambition to become new place where people will meet and its existence will be there for future generations.
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Steel lookout tower
Kábrt, Michal ; Melcher, Jindřich (referee) ; Karmazínová, Marcela (advisor)
The aim of the diploma thesis was to make a structural design of steel-load-carrying structure of steel lookout tower, in the grounds of domestic brewery in Humpolec. Lookout tower will be part of newly built centre for customers of the brewery. The layout and shape of the load-carrying structure of steel lookout tower follow the brewery chimney with height of 32.7 m with circular ground plan and outside diameter of 3.5 m in the heel and 2.3 m at the top. The chimney is independent of the construction of the lookout tower. The ground plan and dimensions of the lookout tower were considered taking into account the required spacing of the structure from adjacent buildings and ensuring sufficient dimensions for the required passage between the future lookout tower and the existing building of the boiler room. RFEM was used for calculation internal forces and assessment on individual structural elements, according to the valid Eurocodes.
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Wind load analysis of building structures
Ptáček, Václav ; Kala, Jiří (referee) ; Hradil, Petr (advisor)
This bachelor’s thesis is focused on wind load analysis with regard to the dynamic effects caused by wind impact on slender structures. These calculations are conducted for a chimney structure with use of various wind velocities. The thesis includes basic principles of fluid flow modeling in CFD programs like ANSYS CFX.
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Restoration of limestone in Grygov
Varga, Peter ; Mikeš, Stanislav (referee) ; Guzdek, Adam (advisor) ; Šuhajda, Karel (advisor)
The topic of the bachelor thesis is the restoration of former limestone in the village of Grygov. The document is based on an architectural study prepared within the subject AG034 Studio of Architectural Creation – Restoration of Monuments. The limestone building is located southeast of the built-up part of the village Grygov in connection with a significant landscape phenomenon of limestone quarries. Restoration is solved as a conversion, when the building is changed its original function. At the same time, it is a modernization of the building with an emphasis on preserving its original character. The intention was to convert the industrial building and industrial spaces into a multi-purpose cultural centre. The concept of restoration is to preserve the unique areas of the limestone factory, searching for a connection between the industrial character of the limestone factory from the 19th century and new, modern constructions. The object was approached by the principle of preserving what is valuable and replaceable or cancelling non-renewable parts. The proposed changes do not disturb the overall architectural character and appearance of the existing building. Dispositional changes are proposed by resolving the disposition of the limestone factory to the multifunctional centre. Unique spaces and structures will be preserved, namely an oval furnace, a walkway, a wooden ceiling, a perimeter wall made of quarry stone, a chimney and the eastern part of the roof. The building on the northwest side is in a demolished condition due to a collapsed roof structure. The spaces on the 1st floor are functionally divided into three parts. Exhibition, multifunctional spaces, sanitary and technical equipment, small restaurant with bar. The spaces on the 2nd floor are divided into two parts. A large hall, which is connected by a staircase to the ground floor. The attic space of the 2nd floor is divided by the chimney.
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Restoration of limestone in Grygov
Otépka, Petr ; Mikeš, Stanislav (referee) ; Guzdek, Adam (advisor) ; Šuhajda, Karel (advisor)
The topic of my bachelor thesis was to prepare a documentation for the building permit and in part C a documentation for the construction. The documentation is based on an architectural study from the course “AG034 – Monument Restauration Studio”. The topic of the course was to think and to suggest a solution for the restauration of the former lime works building in Grygov that had lost its original use. Now it is falling into disrepair. Fortunately, the association “Za živou vápenku” is trying to bring the object back to life. After analysing the external influences, the needs of the inhabitants of Grygov, the requirements of the association and after preliminary construction-technical survey, I came to the following concept. If I kept the industrial character and especially the Genius loci of the building, the operational costs would be too high and, in the future, it would probably start to decay again. As a suitable solution, I suggest creating a multifunctional object. It will be used to the full in the summer and only occasionally in the winter. It means that the interior of the building will be divided into two parts: fully heated and locally tempered. This way will also help to sensitively solve humidity in the building by the method of ventilated air gaps. The multifunctional building will include exhibition spaces, a multifunctional hall and other multifunctional rooms, small refreshments in the bistro, distillery and sufficient hygienic facilities. A special innovation will be the conversion of the chimney into a lookout tower. In spirit of pluralism, I examine the quality, monumental values, individual layers and elements for suitable methods of restoration. Then I highlight the best of all the examined parts and bring them closer to future visitors. The experience of this industrial space will lie in being itself. This object will get ambition to become new place where people will meet and its existence will be there for future generations.
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Physical and Mathematical modelling of Chimney Demolition
Ficker, Tomáš ; Keršner, Zbyněk (referee) ; Frantík, Petr (advisor)
The thesis deals with physical and numerical modelling of downsized model of chimney and its demolition. The properties of downsized physical model, which is made of wooden cubes, are being researched and experimentally tested. The physical experiments are then designed using software FyDiK. Numerical Model is simplified to 2D problem, whereas the problem includes dynamic effects. Conformity of designed software model and physical experiment is tested. The aim of this thesis is to achive the best possible conformity of physical and numerical models.
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Chimney demolition modeling
Ficker, Tomáš ; Keršner, Zbyněk (referee) ; Frantík, Petr (advisor)
The thesis deals with solving of a discrete dynamic 2D model of a chimney during its demolition. Specific goal of the thesis is to clarify observed phenomenon that is a break of the chimney while falling. The model of the chimney is designed and solved using software FyDiK which is able to solve dynamic effects. For verification of results, two models of chimney have been designed.
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Heating of flat house
Jára, Marek ; Vendlová, Lucie (referee) ; Topič, Jan (advisor)
The theme of this diploma thesis is to design heating of the flat house. The theoretical part of this diploma thesis is about exhaust gases paths. The calculation part of this diploma thesis contains the design of the heating system by panel heaters, floor convectors and underfloor heating system. The heat source is the system of cascade-connected gas condensing boilers. The rest of this part are the calculations of the preparation of hot water, design of hot water storage tank and another necessary equipment of the system. The part Project is about technical report and simulation of behaviour of underfloor heating system in various marginal conditions.
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