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Present production of heat exchangers in the Czech Republic
Dvořák, Jakub ; Bělka, Miloslav (referee) ; Jaroš, Michal (advisor)
The aim of this bachelor’s thesis is to compile summary of heat exchangers manufacturers, which occurs on Czech market. In the theoretical part of this thesis is stated distribution of heat exchangers according to some basic criterions (for example flow arrangement). This distribution is followed by short explanation of how heat transfer can be realized. In the end of the theoretical part of this thesis there are presented some physical relations and their description. More practical and main part of this bachelor’s thesis contains summary of heat exchangers manufacturers and examples of their products, which are divided to some categories, mainly according to construction. At the end, there is comparison of brazed plate heat exchangers from various companies in application for preparation of hot water.
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Calculation of heatexchanger
Kvapil, Matěj ; Naď, Martin (referee) ; Klučka, Ivan (advisor)
This bachelor thesis focuses on strength calculation of a heat exchanger according to ČSN EN 13445. First stage is an introduction into the theme of heat exchangers and their calculation. Next part is about the calculation according to ČSN EN 13445 itself. Part of this thesis is also strength analysis of selected items using numerical method (FEM). Annexes include calculation in software Microsoft Excel and basic drawings of items.
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Implementation of the air-ground heat exchangers in condition of the Czech Republic
Macenauerová, Tereza ; Musil, Zdeněk (referee) ; Kolbábek, Antonín (advisor)
This work presents the implementation of ground heat exchangers for air-conditioning systems of buildings in the Czech Republic, especially in south Moravia. The purpose is to find basic information about specific devices - such as the type of heat exchanger, material of pipeline, the method of suction (filtration), outlet of condensate, etc. These are parameters that investor can decide before the realization. Exercise equipment is dependent on the parameters that investor can not decide (eg. type of soil, disposition of land, surrounding climate). The work is based on a questionnaire study (part of junior project FSI-J-12-24) form 2012 which was solved with concrete owners of realized devices. A part of the ground heat exchangers comes from the implementation of energy-efficient houses KARON s.r.o. company, the basic parameters of the these exchangers are provided by its managing director Ing. Stanislav Karasek. Other devices have been traced in the database of passive houses in the Czech Republic - managed by the Passive House in Brno. The work summarizes some of knowledge of owners, shows the most often used types and values the importance of proper design of the whole device.
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Heating and ventilating of low-energy and passive houses
Jankola, Mario ; Musil, Zdeněk (referee) ; Jaroš, Michal (advisor)
The Bachelor's thesis focuses on heating and ventilation of low-energy and passive houses. The beginning chapters describe and explain basic principles of these buildings and basics of air-handling systems. The main part of the work overviews contemporary heating and ventilation systems while pointing out their advantages and disadvantages. The last chapter consists of realistic blueprint for low-energy family house, including specifications on heating and ventilation systems, as well as evaluation of their efficiency.
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Heat recovery ventilation unit
Balák, Jan ; Fišer, Jan (referee) ; Hejčík, Jiří (advisor)
This bachelor thesis will inform readers about residental buildings ventilation posibilities, higyenical standarts of ventilation, sorting of heat recovery units used for heat recovery in residental buildings. Moreover, specific house will be choosen and its ventilation demands will be calculated. Than conveniend ventilation and heat recovery equipment will be search, because of optimalization of ventilation and heat losses.
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Risk assessment design margin of process and power equipment
Horsák, Jan ; Pačíska, Tomáš (referee) ; Jegla, Zdeněk (advisor)
This work is devoted to description of methodology of determining process and power equipment design margins, which is based on assessment of a relative process importance of the equipment in question. The methodology is theoretically analysed, brought into context of common design practice and demonstrated on actual cases. Substantial part of this work analyses heat transfer in general as a base of heat exchanger design process.
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Solar Heating
Kárl, Jiří ; Moskalík, Jiří (referee) ; Fiedler, Jan (advisor)
This work presents you a basic parts of solar systems and shows on example of real family house, how to count calculate return on investment in to solar system on family house.
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Design modification of heatexchanger for steam generation
Prášek, Radovan ; Gottvald, Jakub (referee) ; Nekvasil, Richard (advisor)
This thesis deals with heat exchangers. Thesis is divided into two parts. First one is devoted to various construction of equipment for heat exchange, basic divisions and overwiew of the types. The second part deals with a specific solution modification of existing equipment. The solution includes a description of the problematic parts, calculation of selected parts, design modifications and basic drawings of the proposed solution.
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Design of heatexchanger
Nováček, Filip ; Gottvald, Jakub (referee) ; Nekvasil, Richard (advisor)
The aim of this bachelor thesis is to design a heat exchanger which will be part biogas cogeneration system. This work will be divided into two parts. The first part deals only with the known types of industrial heat exchangers, operation and maintenance. The work is not addressed the issue of transfer and exchange of heat because the thermal-hydraulic calculation was the subject of enter. In the second part is design solution heat exchanger according to given parameters controlling, the calculation of pressure parts of the heat exchanger according to ČSN EN 13445-3 and FEM calculation of the critical parts of a heat exchanger. The thesis is also the drawings forms of the heat exchanger.
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Heat Exchanger
Čípek, Petr ; Pavlů, Jaroslav (referee) ; Fiedler, Jan (advisor)
Heat exchanger is a device mediating the exchange of heat between two flowing mediums. This exchange can be periodical or continuous. The choice of the type of heat exchanger depends on the usage and parameters of entering medium. This thesis deals with the tube recuperation (recovery) exchanger and calculation of new one. This new heat exchanger is supposed to replace current one produced by Kralovopolska in 1974. These heat exchangers have wide range of application. They are widely used in all fields, from energy related equipment to the pharmaceutical plants. The conversion of current heat exchanger was made according to the CSN EN 13 445 for non-heated pressure vessels. The calculation was made for all pressure load parts, among these are the mantle, beds, throats, tube plates and tube feet. All parts are suitable for all the styles of load.
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