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Návrh a realizace mobilní meteostanice
CHYTRA, Petr
This diploma thesis deals with the design and implementation of a portable weather station which allows you to measure air temperature, relative humidity, atmospheric pressure and especially the concentration of suspended particles in the air on which the work is focused. The portable weather station must be compact and have its own power supply. Part of the work is also the implementation of own measurements in selected localities.
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Proposal of project based education on the topic of air-conditioning function of vegetation in the landscape
ŽEJDL, Matěj
As part of this work, the role of the regional vegetation in the water cycle was designed in the project of education. The project was made in a try of the praxis. A part of the education is measuring air temperature and the relative air humidity in the different habitats. Due to this measuring primary school students can see differences between habitats and they can think about the meaning of the project education in the role of the differences in the vegetation and in which way flora is influencing the water. The work is focused on the research of the meteorological and biological conditions suitable for education project management. Work also briefly sums the role of respondents in the Biology lessons and their knowledge of the examined topics made during the lectures. The finding of the primary school student's knowledge was done with the use of questionnaire.
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Vliv relativní vzdušné vlhkosti dřevostaveb na kvalitu jejího vnitřního prostředí
Víšek, Pavel
This thesis deals with the quality of the internal environment of wooden buildings, especially the quality of the indoor environment interior loaded VOC emissions. The main goal of this work is to analyze the influence of relative humidity constructions on the quality of the indoor environment in the region Mountains. As assessed buildings were elected four wooden buildings, one of which is a frame structure, the second is half-timbered, and the other two are made with timber construction.Sampling methodology VOC emissions from the interior of the investigation based on the standard DIN EN ISO 16000 1 and 5. Sampling polluted indoor air was performed using a membrane pump Gilian LFS - 113DC, the collected air samples were collected in metal sorption tubes that are filled with TENAX TA sorbent. Indoor Environmental Quality assessed based constructions of wood was monitored during one calendar year, with the influence of the season on emissions of VOC(Fall, Winter, Spring ).Part of this work was to also assess the impact of age of the building and its material composition on the emission of volatile organic compounds assessed based constructions of wood.Detected concentrations of VOCs elected representatives were subsequently compared with the limit concentration by the Ministry of Health Decree No. 6/2003 Coll. , Laying down the health limits of chemical, physical and biological indicators of residential rooms inside certain buildings.
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The influence of the ionization on the air dustiness in the farrowing house
BROŽOVÁ, Jindřiška
Air ionization is a method used at air treatment of closed spaces. Properly applied air ionization improves health condition of bred animals, lowers the costs of pharmaceuticals and increases their efficiency. Negative ions attach themselves to particles of dust causing them to drop to the ground. The aim of the thesis was to analyse the influence of air ionization on air dustiness in a relation to temperature changes and relative air humidity in a farrowing house for sows. The farm used litter in the lairage pens. Sows were fed with dampened mixture. By the help of a data logger was measured the temperature [°C] and the relative air humidity [%]. The readings were recorded at hourly interval. Speed of the air circulation [m.s-1] in the stall and the cooling power [mcal.cm-2.s-1] were measured in the resting stage. The air dustiness in the stall was measured on the level of a lying sow in the state of resting, activity and after an activity. The data of the concentration of dust molecules in the air were recorded at interval of 10 seconds. The length of the measuring for each period was set for 8 minutes. The size adjustment of the dust molecules wasn?t specified. On selected days was applied the air ionization. At high temperature and relative humidity it came to binding of ions to the molecules of dust. At low temperature, high relative humidity and reduced intensity of air change in the stall the ionization didn?t have any influence on the dustiness because the dust settled as a result of the relative air humidity.
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