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Flue gas - water heat exchanger design 2020
Pálka, Jaroslav ; Baláš, Marek (referee) ; Špiláček, Michal (advisor)
The aim of this final thesis is to design flue gas – water heat exchanger with certain power and entering temperatures. This heat exchanger is designed for a gas boiler. From over-view of suitable technologies was selected gasketed plate heat exchanger. Design consists of heat, pressure drop calculation and basic design drawing.
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Heat exchanger design
Tatýrek, Lukáš ; Kudela, Libor (referee) ; Baláš, Marek (advisor)
The designed heat exchanger is part of a cogeneration unit, which I am considering as a possi-ble alternative for acquiring electrical and heat energy during heating season. The objective is to compile research about usable heat exchangers, pick a suitable technology for flue gas water application, calculate and design a heat exchange surface, calculate pressure drops and pro-cess the enclosed drawing documentation of the heat exchanger. For calculations, the recuper-ation gasket plate heat exchanger was chosen. The design of gaskets is nonstandard as it has been made for higher than usual temperatures. The result of this work is a heat exchanger with uncommon dimensions with a very low count of plates.
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Heating of the indoor swimming pool
Musílková, Julie ; Horká, Lucie (referee) ; Počinková, Marcela (advisor)
Theme of diploma thesis is the heating of the indoor swimming pool. The thesis is departed to three parts. In the first part, there is a theoretical solution indoor climate of swimming pool. In the second part, there is a calculation solution of the project. Project solves heating of the indoor swimming pool. The last part is an experimental part. Theme of the experiment is measurement of temperature and relative humidity of the swimming pool.
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Modelling of flows in a heat exchanger
Hudeček, František ; Milčák, Pavel (referee) ; Špiláček, Michal (advisor)
This thesis considers problematics of calculating and designing heat exchangers. First way of solving the designing problem is by using mathematical formulas for heat transfer, which are based on manifold measurements. Second approach is can be considered modern as the designing of heat exchangers is realized by using computing technology and appropriate software for simulation of flow and heat transfer. These computations are realized for specified type of heat exchanger that is chosen after a brief research. The results are then post processed, commented and these two approaches are compared and evaluated.
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The energy potential of pools that use geothermal energy as a natural heating source of water
Miček, Denis ; Horák, Petr (referee) ; Hirš, Jiří (advisor)
The aim of this bachelor thesis is to point out European Unions – low carbon economy, based on future using of renewable sources as a potential source of energy. Slovak republic is due to its position in central Europe rich in natural healing sources of water which are considered as the most perspective renewable source in this country. Chosen problem I decide to solve on specific part of Slovak Health Spa Piešťany, especially on Mirror pools located at Balnea Centre on Spa Island. According to measurements of temperature and discharge of natural healing source of water poured out of the Mirror pools obtained from Measurement and Regulation dispatching, I design the system which use this potential energy as a renewable source of heat. The research point out that obtaining energy from renewable sources such as natural healing sources of water are efficient and economical. With the help of designed system I declared the ability of using 98 % of this renewable source of energy, which reduced the costs of operation of the Slovak Health Spa by 216 € per one day. In spite of the fact that European Union accepted low carbon economy, by which countries have to reduce the amount of releasing Green-house gases over the 80 % , the results of this bachelor thesis allows us to reduce amount of gas used nowadays during the operation of Balneological departments and help us to fulfill this European Union idea.
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Heating of the guesthouse
Diatel, Jakub ; Topič, Jan (referee) ; Počinková, Marcela (advisor)
The theoretical part of this thesis is based on ideal design of solar systems and determine physical properties of antifreezing mix based on glycol in different concentration by Swiss mathematical model. In practical part is solved heating of the guesthouse by pellets. Heating of the hot domestic water was designed by solar collectors. Forced ventilation was designed with heat recovery.
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Internal environment and windows
Buřič, Jan ; Rubinová, Olga (referee) ; Počinková, Marcela (advisor)
The aim this diploma thesis is the design of heating and hot water in the building of a primary school in Trhové Sviny. The first part dealt with the issue of indoor environment and windows. The second part deals with a separate proposal heating and hot water in primary school. As a heat source was designed gas boiler, the second variant hot transfer station. The third part consists of technical reports and drawings of the specified object. The fourth part deals with the assessment of surface condensation on the surface of the window panes.
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Gas heat pumps based on stroke engine
Bedřich, Miroslav ; Fiedler, Jan (referee) ; Pospíšil, Jiří (advisor)
The aim of this Diploma thesis is a description of gas heat pump (GHP) technology and the possibility of their usage in real life. Also units from the major manufactures of GHP units in the Czech Republic and abroad are evaluated from technical and economical point of view. The thesis as well includes a part where is decided if it is better to further develop GHP units with higher or lower performance. In the last part of thesis are cooling circuits designed for both lower and higher performance, than performance of existing GHP unit Polo 100. As a result, the units with higher performance are more perspective. Therefore heat plate exchangers, which serve as a condenser and an evaporator, are designed for unit with higher performance.
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Heating apartment building
Buřič, Jan ; Topič, Jan (referee) ; Počinková, Marcela (advisor)
The aim this bachelor thesis is the design of heating and hot water in new building apartment house in Trhové Sviny by České Budějovice. In the first part the issues of centralized heat supply and the different types of heat exchangers. The second part deals with a separate proposal heating and hot water in the apartment building. As the heat source was proposed transfer station with hot water plate heat exchanger. The hot water is also ensured plate heat exchanger connected to the central heating. The third part consists of a technical report and drawings heating of the specified object.
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