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Ventilation of a primary school
Urban, Erik ; Bahr,, Josef (referee) ; Šikula, Ondřej (advisor)
The bachelor thesis addresses the first part to the microclimate in school buildings. The second part concerns the proposals of forced equal pressure ventilation of single-storey primary school. In the third part, the technical documentation of the proposed ventilation equipment is processed.
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CO2 Sources and Emission Trading System
Valentová, Helena ; Sitek, Tomáš (referee) ; Elbl, Patrik (advisor)
This thesis deals with issues of carbon dioxide emissions, its sources and legislation related to emission trading. The first part of the thesis provides basic information about carbon dioxide and its production. The second part summarizes sectors that emit the most carbon dioxide. The last part describes the international legislation related to emission allowances and carbon trading.
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Air Conditioning of Hotel Komplex
Očkan, Tomáš ; Děckuláček, Zbyněk (referee) ; Gebauer, Günter (advisor)
The first part of the thesis is aimed on creating internal microclimate of the hotel complex by air conditioning systems. The choice of systems is based on theoretical knowledge’s and practical application in abroad. In the second part there is designed solution for hotel apartments and conference hall. The other areas are designed only conceptual. Technical solutions of chosen systems are the main outcome of the thesis. In the third part there are published my experimental measurements from laboratories of Oulu University of Applied Sciences. For the study field of Air Conditioning has been chosen Air Flow Measurement and Test Operation of HVAC unit. For the study field of Renewable Energy has been chosen the Heat Pump and for study field of Refrigeration has been chosen Water Cooling and Chiller Box.
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Optimizing of air distribution in schools
Cigánková, Kristýna ; Šíma, Jiří (referee) ; Šikula, Ondřej (advisor)
The thesis deals with the issue of indoor air quality of schools and kindergartens. It focuses particularly on the inadequate ventilation and the application of forced ventila-tion in these types of buildings. The proposed solution is applied to a kindergarten in Kuřim. Measurements of the C02 concentration levels were performed in the presence and absence of air conditioning. To elaborate the proposed solution a simulation was made using a software called ANSYS Fluent. Input values for the simulation were obtained from an experimental measurement of a ventilation diffuser made by a company called Climecon ROX using the PIV method. This diffuser was then installed in the kindergarten. The measure-ments were carried out in the framework of the project the experimental validation of numerical models of the air flow in buildings marked with FAST-S-6-3387.
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Energetic evaluation of civil buildings
Pliska, Roman ; Adam, Pavel (referee) ; Horák, Petr (advisor)
The first section of this thesis describes possible energy savings in family houses. Subsequently, possible energy savings are applied to, and a system revision is presented for, an office building, along with a calculation of the return on investment for the described variant based on notice 480/2012 Sb. The final section focuses on the measurement of the indoor environment at an administrative building (CO2, air temperature, relative humidity) and their assessment according to the current legislation.
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The dynamics of non-structural saccharides accumulation and Rubisco activity under the elevated carbon dioxide concentration and sink manipulation at beech
Uhrová, Lucie ; Vítová, Eva (referee) ; Hrstka, Miroslav (advisor)
This diploma thesis deals with dynamic of accumulation of non-structural carbohydrates and activity of Rubisco enzyme at elevated concentration of CO2 on beech (Fagus sylvatica L.). Three years old seedlings of beech were cultivated in minisphere with ambient (385 µmol•mol-1, variant A), and with elevated concentration CO2 (700 µmol•mol-1, variant E) for four months. In every variant the first half of plants was fertilized by nitrogen (variant N+) and the second half was control (variant N-). Plants used for experiment were at first adapted for darkness for 12 hours. Subsequently tested leaves were cut off, leafstalk including short segment of branch (approximately 1 cm) was inserted into 0.7 M solution of sucrose (variant S) or water (variant V) and exposed to radiation 200 mol•m-2•s-1 for 0, 30, 60, 120, 180 minutes. Then leaf area and fresh mass of leaf blade were established, samples were fixed in liquid nitrogen and stored in deep freezer to analysis in –70 °C. Rubisco content was determined by SDS-PAGE method, Rubisco activity spectrofotometrically and content of non-structural carbohydrates by anthrone method and HPLC method. Rubisco content was significantly lower in the N- variant than in N+ variant. Rubisco content was also significantly lower in E than in A variant, which is an evidence of down-regulation. Rubisco activity is moderately stimulated at E variant with time, but differences between variant A and E are not statistically significant. Influence of sucrose feeding to Rubisco activity was not proved. Significant differences were detected by anthrone method in non-structural carbohydrates content between variants S and V, but not between variants A and E. Statistically significant increase of sucrose content with time was detected by HPLC method at variant AS, but not at variant ES.
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Microclimate study rooms with natural ventilation
Hajn, Daniel ; Uher, Pavel (referee) ; Rubinová, Olga (advisor)
Master thesis solves the level of CO2 concentration in the premises of universities in Brno. The main objectives of the processed data measured from two monitored rooms, compare it with the permissible limits of concentration, evaluate the effectiveness of natural ventilation and develop a more efficient way to exchange air with forced venti-lation. Space solutions are part of the Philosophical Faculty of Masaryk University, the fourth above-ground floors of buildings A and B1. The theoretical part deals with CO2 concentrations, measurement methods, the influence of CO2 on the organism and the assessment of daylight.
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Energy efficient office building
Měcháčková, Martina ; Rubina, Aleš (referee) ; Blasinski, Petr (advisor)
The topic my thesis is renovation and extension of office building in Lísek. Whole building is di-vided to three functional units. The first unit is the Municipal office, which is located in the south-east part of the building. The second unit is the Elementary school, which is located in the north-west part of the building. The last unit is the cultural hall, which is located in the centre of the building. The thesis is divided into three parts. The first part includes architectural and structural design. External and internal walls are made of ceramic blocks with ETICS on the envelope. The floor structure is designed from prestressed concrete panels. The roof is a truss with a slope of 30°. As a part of the renovation the windows and door will be replaced and building will be partially ele-vated. The second part of the thesis is focused on building services. An air-conditioning unit with cooling and heating is designed in the building. The heating of the building will be managed by heat pumps. Photovoltaic panels and smart lightning are also designed. The third part of the Thesis deals with measuring of CO2. The measurement takes place in the room E410 and in a room in a family house. I am watching the dependence of the fan on the CO2 concentration. In my experiment I watch how the CO2 concentration will chance, for example If I use different types of the window or turn on the fun for 5 minutes or 30 minutes. I will also suggest a suitable fan for the room The thesis was processed with Autocad, DEK, MS Excel, MS Word, Atrea software.
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Carbon sequestration by forest ecosystems in canging climate.
Hlaváčková, Lucie ; Lhotáková, Zuzana (advisor) ; Urban, Otmar (referee)
The global carbon cycle is in the focus of the scientists' interest, because understanding carbon sinks and their relationships can show the solutions of problems related with increasing CO2 concentration in the atmosphere in the future. I focused on the role of forests ecosystems in this carbon cycle. All forests cover almost one third of the Earth's land area. By photosynthesis they bind big part of atmospheric carbon to their biomass. Sink strength of forest can differ according to the type of biome, forest stand age and actual climatic conditions. Forest biomes can be generally divided according to the latitude to three groups: tropical forest biomes, temperate forests and boreal forests. The size of carbon stock decreases in this order. Other parameters, such as net primary production and respiration differ in dependence on the particular ecosystem. Tropical rain forests represent great carbon stock, but their deforestation causes massive C emissions back to the atmosphere. Boreal forests aren't considered as important carbon sink, but they influence local climate. Some speculations can also appear about the old forests. It is possible to find authors, who claims, that old forests are no more carbon sinks, so that their carbon balance is neutral. Many surveys prove that they bind less carbon...
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Energy efficient building of cinema and gallery
Kučírek, Pavel ; Jelínek, Ondřej (referee) ; Blasinski, Petr (advisor)
The aim of the master project is to design a new building of the cinema with gallery and to design technical equipment. The building is „L“ shaped, the half of the building is single-storey and the other half is two-storey, there is no basement. The most important rooms are on the ground floor – gallery, cinema, foyer and staff rooms. On the second floor there is projector room, sound engineer room, recording room and other sound adjusting rooms. The vertical loadbearing and non-loadbearing walls are designed from aerated concrete blocks, horizontal structure are cast-in-place reinforced slabs, the roof is flat. There is a reinforced concrete staircase that leads to the second floor, the building is insulated by ETICS. There are 4 HVAC units designed in the building, units are controlled with monitoring and controlling unit, also there are photovoltaics and rainwater storage systems designed. The project and visualizations were made in the ArchiCAD, MS excel, DEK, Halton HIT, AeroCAD software. Experiment validates measured data with mathematical analytics model that I used in 7 theoretical models of ventilator controlling possibilities to achieve energy savings. Re-sults will be compared and assessed.
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