National Repository of Grey Literature 686 records found  beginprevious622 - 631nextend  jump to record: Search took 0.00 seconds. 
Utilization of renewable energy for heating
Foit, Vladimír ; Hejčík, Jiří (referee) ; Chovancová, Michaela (advisor)
This bachelor's thesis, titled Alternative Heating Options, is divided into four parts. First, an overview of renewable energy sources available in Czech Republic is presented. Second part contains Czech energy policy and legislation and several grants related to renewable energy sources. Third part lists several projects constructed in Czech Republic including a description of a specific project on a residential house. Last part aims to design a heating system for a building using one of already referenced methods and to compare it with other heating systems. The returns of the design is also discussed.
Gas heat pump
Krejsa, Petr ; Špiláček, Michal (referee) ; Pospíšil, Jiří (advisor)
This bachelor thesis deals with the description of heat pump technology (HP) and the gas heat pumps extension (GHP). The theoretical part contains an introduction, information of heat pump technology, presentation of gas heat pump technology powered by a natural gas combustion engine. The comparison of the known principal design is involved too. The calculation part deals with detailed balance of energy flows for the specific operating conditions of GHP unit. The last part compares the electrical and gas heat pump.
Project of heating system for house
Svoboda, Lubomír ; Moskalík, Jiří (referee) ; Štelcl, Otakar (advisor)
In the bachelor’s thesis was an analysis of the sources of residential house heating and gas boilers installed at the same time, the proposed condensing gas boiler, heat pump air-to-water and stoves. Comparison of the effectiveness of these heat sources was based on heat loss calculations and laboratory measurements efficiency stoves. Outcome of this work is to design cost-effective and environmentally friendly residential house heating.
Modern Trends of Heating of Family House
Dohnal, Jakub ; Suk, Ladislav (referee) ; Lisý, Martin (advisor)
This bachelor thesis deals with modern trends of heating of family house. At the beggining is indicated brief history and current sources for heating of family houses. After this is described a research of various technologies for heating with their advantages and disadvantages. The last part is given to comparison all methods of heating and overall evaluation.
The issue of energy-efficient home heating
Števanka, Kamil ; Hrnčířová, Michaela (referee) ; Baláš, Marek (advisor)
The bachelor´s thesis focuses on the issue of energy-efficient home heating. In the first part principles of energy-efficient house construction are described. In the second part different kinds of heating devices are overviewed. Various systems combining devices from second part are compared in the last part.
Utilization of heat pumps for production of hot service water in boiler house in Nový Jičín
Holuša, Radomír ; Horsák, Jan (referee) ; Kilkovský, Bohuslav (advisor)
The goal of this bachelor thesis is to introduce and explain heat pumps, appropriately design two pumps for hot water for two existing gas boiler rooms located in Nový Jičín including building a block diagram of the process equipment design and economic evaluation and final evaluation of the benefits of selected variants.
Use of renewable energy sources for family house heating
Jež, Dalibor ; Štelcl, Otakar (referee) ; Baláš, Marek (advisor)
The content of this bachelor’s thesis is the technical research focused on renewable sources of energy used for family house heating. The thesis is divided into several parts. The first part consists of general information, characteristics and dividing of each renewable sources. There are also their advantages and disadvantages. The second part of the thesis is focused on suggestion of concrete systems suitable for family house heating and is supplemented with their comparison.
Heat pumps for heating and hot service water preparation
Valášek, Martin ; Hrnčířová, Michaela (referee) ; Kracík, Petr (advisor)
This bachelor’s thesis is aimed to describe heating and water warming in the detached houses by basic technical devices and there are suggested various types of heat pumps for a particular object. These heat pumps are compared technically and economically. In the beginning of the thesis there is a summary of the possible ways of the house heating and water warming systems, such as heating by electric power, by gas, by solid fuel or the centrally distributed heating. Then the thesis concentrates on heat pumps. There are described various types of heat pumps, also their advantages and disadvantages. There were chosen four main types of heat pumps – air/water, air/air, water/water and earth/water – and with each type there’s constructed a plan for a low-energy house heating. This house is located in Vyškov and there’s thermal loss of 6 kWh and water-warming of a capacity of 260 l per day. At last there were used economical calculations, which shown, that the water/water heat pump has the shortest return rate in comparison with a gas-using heating system – 5 years. Considering the lifespan of the heat pumps – 10-20 years – all the heat pumps are profitable except for the air/air heat pump. The investment in this heat pump doesn’t return.
Heat pump performance data analysis
Šeda, Libor ; Krejčí, Vladimír (referee) ; Hejčík, Jiří (advisor)
V bakalářské práci jsou shrnuty dostupné metody a koeficienty užívané k testování výkonu a ekologické náročnosti tepelných čerpadel. Pro testování dle norem ISO jsou zde také vysvětleny vstupující faktory. V praktické části je vyhodnocen běh reálného tepelného čerpadla z hlediska výkonnostních parametrů a parametrů týkajících se běhu kompresoru, jako je počet pracovních hodin nebo počet odmrazení.
Proposal for heating of family house
Pavlíček, Michal ; Špiláček, Michal (referee) ; Hrnčířová, Michaela (advisor)
Family houses heating, depending on economic factors, is currently highly discussed topic. My work evaluates the possibility of heating such houses. The technical possibilities of model building and design of optimal heating sources are taken into account. The link of investment requirements and their return is also observed.

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