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Dissertations / Theses on the topic 'Chlazení budov'

Author: Grafiati

Published: 28 June 2021

Last updated: 1 February 2022

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1

Kohút, Radovan. "Ekonomické systémy chlazení budov." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2012. http://www.nusl.cz/ntk/nusl-225545.

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The thesis deals with the refrigeration systems. It analyzes ways to optimize the refrigeration process and the associated energy savings. In a practical application on an industrial building where there is the need of cooling the machinery, it compares the reference system with another two optimized alternatives. The heat recovery alternative supports heating and hot water supply and the water-side free cooling alternative lowers the energy consumption during the cold period of the year. The experimental section assesses the suitability of floor cooling in relation to the stratification of air temperature along the height of the room and the effect on thermal comfort of people.

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2

Vlček, Petr. "Aplikace přímého chlazení pro klimatizaci budov." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2012. http://www.nusl.cz/ntk/nusl-225665.

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Diploma thesis deals with the problem of refrigerant cooling needs for air conditioning systems of buildings. Summary focuses on the theoretical basics and the physical nature of refrigeration and air conditioning technology. The consequences of split unite on microclimate in the room was experimentally tested and simultaneously investigated happenings associated to its activity. The aim is to unify the theoretical and experimentally obtained facts and apply them in the designing of air conditioning units. Design of air conditioning systems builds on my bachelor thesis, "Hot-air heating of gym", which subject was the ventilation system of gym.

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3

Šíma, Jiří. "Noční chlazení budov v podmínkách České Republiky." Doctoral thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-355630.

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The PhD thesis deals with the theoretical evaluation of the potential use of night cooling techniques in condition of the Czech Republic. Mainly aims to evaluate the potential of night cooling, which uses the physical phenomenon of radiation against the night sky. This technique is widely used mainly in the dry and hot regions where there are the most suitable climatic conditions for this cooling method. The work is based on the current state of knowledge in the area of passive and low-energy cooling systems. These knowledges are applied to the conditions of Czech Republic and by using simulations of the energy, behaviour of the buildings explores the benefits in terms of improving of the internal microclimate and from the perspective of economy operation of conventional cooling equipment. In order to establish the benefits of night cooling on the operation of the building in the dynamically changing conditions, the modular simulation program TRNSYS was used, which is suitable for the analysis of energy systems of buildings and their behaviour. The results of simulation results were converted to thermal comfort parameters of the PMV and the PPD.

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4

Kojecká, Karolína. "Optimalizace mikroklimatu budov zelení." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-391914.

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This diploma thesis deals with the assessment of the influence of the green interior wall to the microclimate of the room. The experimental part of the thesis assesses the thermal-humidity microclimate, the microbial microclimate and the concentration of carbon dioxide and oxygen in the air. In the project part, a variant solution for the ventilation of an office building was prepared. In the first variant, mechanical cooling was used to cover the heat load, while the second variant used passive cooling and direct adiabatic cooling with a green wall.

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5

Silbernágl, Petr. "Adiabatické chlazení vzduchu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240137.

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The diploma thesis deals deals with the designing and assessment of the two variants of cooling and humidifying the air in the production hall for cotton in Humpolec. The system is proposed to fulfil hygienic, operational, economic and functional requirements for indoor microclimate of the production hall. The task of this system is the transport of cooler air to interior and the covering of heat gains all year round. The equipment is also designed for the regulation of air humidity in the interior. The theoretical part is devoted to air humidification and air humidification device. Calculation of the project and then a specific proposal, two variants for air distribution level studies. Both variants are treated as project documentation. Experimental part is devoted to the measurement on the measuring path containing adiabatic humidifier in the laboratory. The benefit of the experiment is to verify the data from the manufacturer adiabatic humidifier which we can assess the practical use of the product.

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6

Hakl, Jaroslav. "Systémy energeticky úsporných budov." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409865.

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Content of this diploma thesis is analysis of the operation of heat and cold sources and its evaluation based on data from measurement and control systém and design of a new solution for heating and cooling selected part of the object Otevřená zahrada. Building is located on the street Údolní in Brno. It is a three-storey building serving as offices of non-profit organizations and weekend activities of the organization. On the first floor there is a technical background of the building and half of it is used by four offices. On the second floor there is a seminar hall with a capacity of 50 persons. The rest of the floor is used by three meeting rooms and three offices. The third floor is used by four offices. For the heating and cooling of building, there are designed heat pumps ground-water. Air exchange in the building is provided by the air handling unit.

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7

Dyčka, Martin. "Vnitřní tepelné zisky a tepelná bilance budov." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226868.

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Submitted thesis occupies by heat gains and heat balance of buildings. It includes the most common heats of people, lighting and electrical appliances. A second part deal with design air-conditioning part of Hospital Blansko include ventilation system, heating and cooling.

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8

Vašulka, Tomáš. "Studie chladicího systému budovy s ohledem na klimatickou změnu v ČR." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-442847.

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The diploma thesis aims to prepare a study of the cooling system of a multifunctional building with regard to climate change predicted until the middle of the 21st century. The work includes determining the heat load of refrigerated rooms and designing measures to reduce heat gains in the summer. Diploma thesis includes design of a cooling system with fan-coil units as end appliances with the necessary hydraulic calculations. A single-stage absorption cooling unit is used as the considered cooling source, to which a free cooling heat exchanger is assigned. The design of the cooling source includes the necessary hydraulic calculations and dimensioning of the system ensuring its functional operation. Part of the diploma thesis is drawing documentation of cooling technology and connection of fan-coil units.

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9

Vyhlídalová, Karolína. "Denni osvětlení a solární tepelná zátěž budov." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-225938.

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This master´s thesis is about searching for a connection between solar illumination and solar irradiance. The task is attempt to find out if it is possible to use one factor in order to determine the other one. Part of this thesis deals with cooling of virtual building.

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10

Velísková, Eva. "Energetické hodnocení budov." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2012. http://www.nusl.cz/ntk/nusl-225688.

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The master’s thesis deals with energy assessment of buildings according to a current valid legislature. In the first part the energy assessments problems are solved. The next part solves the energy concept of the educational building, Pavilion P4, AdMaS centre of Faculty of Civil Engineering of BUT, in the form of project documentation. In the part of thesis there is a simulation characterizing dynamic behavior of building. The thesis point is the evaluation of energy balance and a draft of measures leading to the power consumption decrease.

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11

Truksa, Ondřej. "Návrh větrání a chlazení v multifunkční budově se zubními ordinacemi." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-378484.

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The aim of the master’s thesis was to design ventilation and cooling systems in a three-storey mixed-use building, which contained three apartments and two dentists’ surgeries. Two independent ventilation systems were designed in the building, with respect to different purposes of the indoor spaces. The mechanical cooling system was proposed in some of the rooms to improve thermal comfort in summer. The thesis includes calculations of building heat gains, heat losses, air exchange rates and the dimensioning of the ventilation and cooling systems. The thesis also comprises design calculations and technical drawing.

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12

Trtílek, Petr. "Predikovaná a skutečná spotřeba energie v budovách." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409962.

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This diploma thesis deals with comparison of predicted and actual energy consumption in buildings. The predicted consumption is determined by calculating the energy performance certificate of the selected building and the actual consumption is monitored in the building on the Open Garden premises of the Partnership Foundation in Brno. The theoretical part deals both with the energy consumption in buildings and with the methodology of energy performance calculation.

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13

Pekárek, Antonín. "Klimatizační systém jednoho reprezentativního podlaží budovy A1." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228807.

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Master thesis deals with designing of air-conditioning system into newly reconstructed high-rise building of Faculty of Mechanical Engineering Brno University of Technology. Reconstruction of a building results in change of thermo-technical parameters which impacts dimensioning of air condition system. Designing air-conditioning system depends on heat loss and heat gain calculation and also on consequential psychometrical calculations. The size of air conditioning equipment which provides required internal microclimate will be determined from the calculation results. Currently there is Detail design elaborated including technical report and material specification.

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14

Faltys, Michal. "Variantní řešení rekonstrukce systémů vzduchotechniky prostoru laboratoří." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227769.

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The diploma thesis deals with the designing and assessment of two variants of the reconstruction of the air conditioning system for the half of 3rd floor laboratory building BioVendor – Laboratorní medicína a.s. company. The system is proposed to fulfil hygienic, operational, economic and functional requirements for indoor microclimate of laboratories. The task of this system is the transport of fresh air to interior and the covering of heat gains in summer. The equipment is also designed for the regulation of air humidity in the interior. The theoretical part deals with the application of heat penetration of solar radiation double glazed construction. Calculating and project part deals with the specific proposal of two variants of a new HVAC system-level studies of which the selected variant is developed as the project documentation. Experimental part is devoted to measuring of CO2 concentration in operationally similar laboratory. The result of this work is to evaluate the operational and economic impacts on the choice of technically feasible options and implementation documentation selected option. The benefit of the experiment is to verify sufficient air exchange to ensure the optimum concentration of carbon dioxide in laboratories.

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15

Julinová, Patricie. "Návrh opatření pro snížení energetické náročnosti prodejny potravin." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240210.

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The master thesis deals with measures to reduce energy performance of grocery store building. Model of the grocery store is evaluated according to a recommended energy values specified by Czech standards and according to the real values of the actual consumption. These values are compared. Final building analysis for a proposal measures to reduce energy consumption is based on the invoices of the real consumption and on the experimental assignments. Experimental measurements are the Blower door test of the tightness of the building envelope, the measures with the thermovision camera and the measuring of the illumination intensity. The most efficient proposal is extended to the whole model network of the food shops in the Czech Republic.

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16

Slepánek, František. "Administrative building with low energy footprint." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227449.

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The aim of this diploma thesis is trying to solve difficulties connected with administrative buildings. In this thesis we are talking about possibility that administrative building can have low energy footprint. Most of energy consumption of administrative building is not created by heating but mostly by cooling and by consumption of office equipment. That is why there have been used modern equipment of the building as well as automatic control of building equipment.

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17

Kaděra, Jan. "Tepelné čerpadlo napájené z fotovoltaického systému." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-413209.

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This thesis provides heat pump usage in heating mode, heating of potable water or cooling mode. The heat pump is connected with photovoltaic power plant. The main aim of this study is to create photovoltaic system connected with heat pump and present the results of an energetic and economic evaluation. The theoretical part describes principle function heat pumps, photovoltaic power plants and components. The study provides as well a description of heating systems with a heat pump used for space heating or cooling. In the practical part of this thesis was performed calculation of energy consumption in a building. Based on this data, has been selected a suitable heat pump. To reduce the energy consumption was designed a hybrid photovoltaic power plant with a battery accumulation. Utilization of electric energy from photovoltaic system was calculated. Solutions provide the option of the energy flow analysis in specific interval. Results are summarized in the energetic and economic evaluation. The proposed solution can be applied for reconstruction or construction of a new building, focused on usage of renewable resources and emissions reduction.

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18

Panovec, Jan. "Uplatnění energie obnovitelných zdrojů v budovách." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227660.

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The aim of this diploma thesis is to understand the functioning of heating and cooling systems in an administrative building built in passive standard using a renewable energy source. The thesis includes theoretical findings of heat pumps and designing the heating systems. The experimental part contains an analysis of working of heating and cooling systems in selected rooms in assigned building, which includes an experimental measurement of selected quantities and a thermographic measurement. In the last part of the thesis a comparison of measured and simulated values using simulation software was done.

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