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Improvement of energy supply in industrial process
Pavlíček, Lukáš ; Nerud, Pavel (referee) ; Pospíšil, Jiří (advisor)
The main subjekt of that diploma thesis is an optimalization energetic ekonomy of a bathroom. The ojective is propose suitable resolution for decrease decrement heating and employ outlet heat of burnt gas which are going from steam generator. In the first part of thesis is evaluation inceptive state, inlet and outlet flows of energies. In the next part, there are confront indivudual resolving from technically angle and economically angle.
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Selection of suitable fluid flow directions in laminar flow tubular cooler
Krobot, David ; Kohoutek, Josef (referee) ; Jegla, Zdeněk (advisor)
This master’s thesis is devoted to problematic of selection of suitable flow directions in double pipe heat exchanger. First chapter is oriented to the construction of tube heat exchangers. It is also discussed impact of construction solution to the flow character and changing of his process parameters. The difference between parallel and countercurrent flow is also occurred in this parts. The next chapter is focused to the basics of heat-hydraulic calculations of heat exchanger. This also means explanation of ways of heat transfer and heat exchanger function. There are told about specific access to the solving problem of fluid laminar flow. The third chapter is detailed focused to the calculating of heat exchanger. At first is discussed factors, which have impact to the flow character. Next are detailed descriptions of design and controlling calculations, including more alternative ways to solve it. Next chapter exploit those results for deciding, which flow arrangement will be better for given case. Last chapter contain realization and reformulating of process heat exchanger calculating to the program code in Maple. There is also description of used algorithms and operating with them, so any user could be able to work with it. In this master’s thesis are used many examples from attached programs on different parts.
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Plumbing Systems for Baking Plants
Hruška, Jan ; Vrána, Jakub (referee) ; Bárta, Ladislav (advisor)
This diploma thesis deals with plumbing systems of baking plants v Modřicích. The first part looks for a solution exchange of heat and using waste energy from bakery owens. There are performed several possiblities of projects for plumbing systems. Project part was worked out in cooperation with technical company wich produces equipment for bakery factories. The solution according to relevant standards
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Solution of inverse problems in the area of material and heat exchangers
Kůdelová, Tereza ; Nechvátal, Luděk (referee) ; Čermák, Jan (advisor)
This bachelor's thesis deals with the dynamic behavior of heat exchangers which is described by the system of dierential equations. In this conection it includes a general information about necessary theoretical background especialy concerning heat transfer. Further, it mentions also the basic types of arrangement of heat exchangers that may occur in practice. The main goal is to answer the questions of controllability, observability and identifiability of the parameters obtained by solving corresponding inverse problem.
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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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Solar system
Tuhovčák, Ján ; Fortelný, Zdeněk (referee) ; Chroboczek, Libor (advisor)
The bachelor thesis describes the issue of the domestic water heating by solar systems and the conditions of this system’s usage, its advantages and disadvantages are mentioned. Part of this paper analyzes the main components of solar system and there is a list of solar panels available on the market. The second part of this thesis deals with specific application of a solar system in the locality of Brno. The concept of the system consists of absorption area calculation, energy balance and the system’s financial analysis. Financial repayment time is interpreted separately for the conditions in Czech Republic and Slovakia. If the government grant is considered in the calculation, the financial repayment time is economically interesting, otherwise it is disputable. The environmental contribution is in every case unambiguous.
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