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Comparative simulation of the skylights
Dvořáček, Jakub ; Motyčka, Martin (referee) ; Nekvapil, Jan (advisor)
The thesis deals with simulations of daylight transmission through skylights and detection of differences in results in variance simulation softwares. The aim of this work was to find out if the simulation programs calculate the same results for the same parametric situation. The skylights were simulated in TracePro, Holigilm and Tube Eff Tool. The results were always different. In results appeared tendency reducing of differencies caused lenghtening of skylight route.
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Kidsgarden
Kuttelwascherová, Kristína ; Čížek, Roman (referee) ; Daněk, Lukáš (advisor)
This diploma thesis is a project of a two-storey building of a Kindergarten. The building will be used for educating preschool children. On the ground floor, there are two base classrooms, one in each wing of the building. Each classroom has several zones (relaxing, playing, creating). Each classroom also has its own dressing room, washroom + toilets. On the ground floor, we can also find facilities for teachers and the principal office. Since finished food will be delivered, the building only contains a food preparation facility + dry storage. The second floor is accessible either by stairs or by elevator. On the second floor, there is another base classroom with its own dressing room and a washroom with toilet. Food is transported from the first floor by elevator, which is not designed for transporting people. On the second floor, there is also the teacher´s base + large social hall for occasional events. The kindergarten building has an atypical layout. The building is partly roofed by a flat roof and partly by a gabled roof. The project was processed using the computer program AutoCAD. During processing, emphasis was placed on the correct layout, architectural design and safe use of the building.
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Optimisation of light conditions in buildings
Vajkay, František ; Mohelníková, Jitka (advisor)
Building physics as a branch of architecture must ensure an indoor comfort of each user and inhabitant of a building object. This involves, acoustics, indoor thermal conditions and among others also daylighting and artificial lighting of buildings. Light as a particle and an electromagnetic wave, is required by the different aspects of the human organism. It allows the living beings to see, influences skin and bones, the biorhythms, etc. Therefore, it is necessary for the engineering community to predict the correct illuminance and luminance levels acting insides. The thesis deals with such issues. More precisely, it assesses the quality of design tools and methodologies, either against CIE reference cases described in CIE 171/2006 and against real measurements done over the working plane of an indoor space located in the attic of Building D of the Institute of Building Structures, Faculty of Civil Engineering, Brno University of Technology, too. The tools tested throughout the solution of the dissertation did involve three computer programs: RADIANCE, WDLS v3.1 and WDLS v4.1, and one numerographical approach, namely the Daniljuk’s innovated methodology (sometimes even combined with the theories of BRS). In addition several software’s have had been created alongside the process assessment, just to mention the “RADIANCE Script”, “RADIANCE Data Evaluation Script” or “MuuLUX“. The later was written as a communication software allowing the connection of the KONICA-MINOLTA T10 illuminance meter to a computer with the aim of data collection while long term observation. The solution did also require the establishment of a measuring element for the determination of the light reflectance values of surfaces. The solutions, results and conclusions do describe how well did the design approaches deal while predicting the resulting awaited daylight factor levels in points over the working plane.
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Architecture of the extreme
Malásek, Petr ; Albert, Novák (referee) ; Kaftan, Martin (advisor)
In the eyes of a traveller, Iceland seems to be a paradise on earth, but in the eyes of an inhabitant, it doesn't seem so clear. A number of factors come into play, such as the difficult availability of building materials, low population density or the unbalanced length of day and night during the months, which also has considerable consequences for the mental state of the population. The project takes into account the last mentioned problem. In the design of a simple family farm, the project tries to discover the basic principles of how to fight the lack or excess of daylight and at the same time solve questions of contemporary theory of architecture and materialize the problem of part and whole relationships.
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Evaluation of the contribution of daylight in the hybrid lighting system
Pavlík, Denis ; Krbal, Michal (referee) ; Škoda, Jan (advisor)
The aim of the bachelor thesis is to evaluate the current status of the associated lighting system in the corridor of the building Technology university of Brno Faculty of Electrical Engineering and Communication Technic 12. The work provides the research of the lighting technologies. The second part focuses on the simulation of the associated lighting system in the computing programs Relux and Vivaldi. The evaluation of the artificial lighting system is done by hand measuring of the object and simulation of the model of the corridor in Relux. Furthermore, there is also a simulation of the associated lighting system with the contribution of daylight according to CIE for the overcast sky prepared in Relux. The simulation of the dynamic lighting scenes is adapted in Vivaldi in order to meet the criteria of standard ČSN 12464-1 for object “corridor”. The program Vivaldi put together the process of the associated lighting system in time and evaluates its economic aspects, too.
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Realistic Rendering of a Building with Varying Lighting Conditions
Navrátil, Jan ; Seeman, Michal (referee) ; Herout, Adam (advisor)
This paper is focused on realistic rendering of interior environments with varying lighting conditions. It proposes methods of setting properties of light sources to achieve a specific scene appearence. It mainly works with light comming from a sky and sun to the scene and describes this light in relation to weather conditions, time of day and overcast factor. The goal is creating easily configurable system in which a single parameter change leads to significant change of lighting conditions. All these changes should be presented in a short video.
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Design and construction of advanced LED lighting system for aquarium
Novák, Pavel ; Škoda, Jan (referee) ; Pavelka, Tomáš (advisor)
The first part of this thesis is devoted to the presentation of light and the basic quantities describing the light and its properties. These quantities are then used to describe the light sources, which is the thesis engaged in in the following section. The light sources are divided into thermal and luminescent. Then, there are described the basic parameters that are monitored when choosing the light source, such as luminous flux, color rendering index, correlated color temperature, mean lifetime, beam angle. Next, the thesis engages in solar radiation, spectrum of radiation, process and the color temperature of daylight and turns to the requirements for the aquarium lighting. According to the requirements for the aquarium lighting, the lighting design is done and it is sought an ideal solution for the aquarium lighting using LEDs. In conclusion of this thesis, there is designed an effective cooling for the LEDs in order to maintain their lifetime and luminous flux as long as possible. Then, it is designed and realized control of the LEDs by the pulse width modulation, prepared software for controlling the lighting depending on the daytime to meet the demands on the aquarium lighting while monitoring the process of the daylight and to look natural.
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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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Evaluation of light pipe influence on daylight in buildings
Král, Jakub ; Katunský,, Dušan (referee) ; Plch,, Jiří (referee) ; Mohelníková, Jitka (advisor)
The topic framework of this dissertation is the technology of lighting in buildings using tubular light pipes. For the assessment of these systems, a continuous measurement of daylight was performed on a comparison surface under two different tubular light pipes of similar dimensions for one year. At the same time, data of exterior lighting conditions were recorded. Independently of these measurements, spectral reflectance measurements of the inner surface samples of both light pipe tubes were performed. Furthermore, light simulations were performed in the HOLIGILM program, and the efficiency of direct tube light pipes of various diameters and lengths was evaluated. Finally, an evaluation of electricity consumption savings was also made by replacing the artificial lighting source with a light pipes. The results of measurements and light simulations provided data for the evaluation and designing of tubular light pipes in buildings.
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Architecture of the extreme
Malásek, Petr ; Albert, Novák (referee) ; Kaftan, Martin (advisor)
In the eyes of a traveller, Iceland seems to be a paradise on earth, but in the eyes of an inhabitant, it doesn't seem so clear. A number of factors come into play, such as the difficult availability of building materials, low population density or the unbalanced length of day and night during the months, which also has considerable consequences for the mental state of the population. The project takes into account the last mentioned problem. In the design of a simple family farm, the project tries to discover the basic principles of how to fight the lack or excess of daylight and at the same time solve questions of contemporary theory of architecture and materialize the problem of part and whole relationships.
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