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Heating and cooling systems in office operations
Dostál, Petr ; Horák, Petr (referee) ; Formánek, Marian (advisor)
The diploma thesis deals with the design of the heating and cooling system, inclu-ding hot water preparation for the administrative part of the production hall. The first part of the thesis briefly discusses the history of heating and cooling of office buildings, legislative requirements and current solutions. The second part contains the design of the entire heating and cooling system with heat pump as a source of heat and cold. The final part of the thesis describes the experimental measure-ment and evaluation of the efficiency of the ice rink source.
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Controlled dehumidification in summer season
Voleš, Jakub ; Ell, Jiří (referee) ; Rubina, Aleš (advisor)
The subject of the diploma thesis is the design and the assessment of two variants of existing HVAC system, that serves the microelectronic laboratory premises of GL Electronic company, which are situated in JIC INMEC center. The aim of the designing process is to find the optimal solution of the problem, which is concerned of excessive air humidity gains in the clean rooms. The first proposed approach is the installation of controlled dehumidification in the form of direct cooling into the yet existing device. The second considered approach is a complete deconstruction of implemented air conditioning unit and subsequent reinstalling of the brand new unit, which would meet all the requirements. Both two variants will be in the beginning outlined in a form of pre-study, selected option will be later on processed as project documentation for construction. The winning solution will be designed in the way that will satisfie the criteria of hygiene, function, and economy. The next section of the text will be dedicated to the research regarding the topic of the physical nature of air humidity, of the transportation of humidity, dehumidification of the space, also. Last but not least, the heat recovery efficiency will be measured (in the form of thermal glycol tubes). The experiment provides evidence of the system's real-time performance.
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Ventilation of the roadhouse
Kojecká, Karolína ; Uher, Pavel (referee) ; Rubinová, Olga (advisor)
The bachelor thesis deals with the design of ventilation and direct cooling in the roadhouse. The ventilation system provides supply of fresh air and delivery of exhausted air. In selected rooms is resigned direct cooling to remove the heat load and provide a suitable microclimate in the summer.
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Industrial cooling systems
Doležal, Jan ; Horák, Petr (referee) ; Formánek, Marian (advisor)
This thesis describes the design of cooling ice rink. Cooling system design is based on a physical nature, measured data and observations from practice. The result is a proposal cooling system with the highest possible cooling factor, which uses waste heat for technology needs snow pit and hot water, in order to achieve the lowest cost of operation ice rink.
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Airconditioning of the passive house
Voleš, Jakub ; Uher, Pavel (referee) ; Rubina, Aleš (advisor)
The aim of this bachelor´s thesis is the concept of the air-conditioning and cooling system for the residential rooms of the two-storeyed house. The technical solution respects functional, hygienic and operational demands on the internal microclimate. The main functional requirement of the air-conditioning system is compensation of the heat losses and the annual inflow of the necessary minimum of the fresh air. The theoretical part of the thesis is concerned about acoustics and it’s connection with air-conditioning. Firstly, the text introduces what is sound from the physical point of view, characteristics and it’s impact on the physiology of the humans. At the end of the theoretical part are mentioned the sources of sound and it’s spreading through the system. Finally, the methods leading to the reduction in harming acoustics effects are presented. The result of the computational part is the design of the air-conditioning unit, the piping and the other components; also the concept of the direct cooling at the summer period. The project part containes the technical report, the attachements and the project documentation for realization.
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Direct cooling systems in food processing plants
Kotásek, Petr ; Vlček, Petr (referee) ; Formánek, Marian (advisor)
Diploma thesis deals with direct cooling systems in food processing plants. The work focuses on the description of the components of the refrigerant cycle, with emphasis on the choice of refrigerant. The result is a design of direct cooling system in the food factory in the variants with refrigerant R404A and R717. The work describes the advantages and disadvantages of various options. The work includes an experimental section which deals with the measure-ment and processing of the actual values of the refrigerant cycle and the comparison of two cold sources.
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Design of a Testbench for Reduce Temperature Testing of High-Pressure Pump Systems
Škývara, Tomáš ; Čáp, Jaroslav (referee) ; Ramík, Pavel (advisor)
The subject of diploma thesis is design of a testing cabin for high pressure pump testing under low temperature. The objective is to project a cooling system and a cooled testing cabin. Suggested cooling system must be sized to cool down the estimated power and the cabin is supposed to be located inside the existing testbench. There was peroformed an analytical calculation of thermic evaluation, several parts of calculation were verified using ANSYS program simulation. The second section of the thesis is focused mainly on the design, especially on design of testing cabin. The result of diploma thesis is prepared for utilization in Bosch Diesel s.r.o. Jihlava.
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Air condition of lodging house
Horká, Lucie ; Rubinová, Olga (referee) ; Šikula, Ondřej (advisor)
This bachelor's thesis deals with the air condition of the lodging house. Design is specialy focused on guest rooms, common areas and the apartment of manager. The project deals with ventilation units, including heat recovery, chillers and the heat source. Designed facilities in the lodging house have achieved the optimum microclimate in the summer and also in the winter.
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