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Calculation of flue gas properties
Štenclová, Kristýna ; Brázdil, Marian (referee) ; Pospíšil, Jiří (advisor)
This Bachelor´s thesis deals with properties of combustion products depending on temperature. The first part is theoretical and includes summary of basic terms of combustion. The second part includes a recherché. It is focused on elementary analysis of fuel and basic properties of combustion products, i.e. heat capacity, density, enthalpy, heat conductivity, kinematic viscosity and number of Prandtl. In the last part of thesis, there is an example of a spe-cific exchanger and his solving based on four various inputs of these properties.
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Measuring of conformational properties of nucleic acids
Hrazdilová, Ivana ; Renčiuk,, Daniel (referee) ; Maděránková, Denisa (advisor)
This thesis gives a brief characteristic of the most important conformations of nucleic acids. It describes alternative conformations that are different from canonical B-DNA helix, such as A-DNA, Z-DNA, triplex structures, or guanine and cytozin quadruplex structures. In the next part it presents most common methods used for determing secondary structure of nucleic acids, which are nuclear magnetic resonance (NMR), measurement of circular dichroism (CD), X-ray diffraction, computational methods, measurements of ultraviolet absorbance and its utilization for analysis of thermal melting curves. In MATLAB was created algorithm with graphical user interface, which analyze melting curves and graphically computes thermodynamic parameters, which are melting temperature and transition enthalpy, which defines stability of examined sample.
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Heat and stress analysis exchanger
Jedlička, Rostislav ; Šen, Hugo (referee) ; Baláš, Marek (advisor)
The main goal of master’s thesis is a propsal of the heat exchanger. The heat exchanger is double way of water side with the integrated air-vapor mixture cooler. Another aims are heat computation, heat loss computation, solidity dimensioning and selection of a material for a major selection. The last task is about detection of a vapor pressure trought the tube bundle.
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Steam turbine
Vališ, Petr ; Novotný, Zdeněk (referee) ; Fiedler, Jan (advisor)
Goal of this dissertation is design of rotary reduction for entered input parameters that it is connected in parallel with reducing station. Further I´m looking into thermodynamic calculation of stage and chosen parts of turbine, making of project design of connection of rotary reduction to steam circulation. Dissertation is concluded by designed cross-section of turbine.
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Investment casting waxes and measurements of their properties with regard to simulation software
Bochníček, Štěpán ; Mikulka, Vít (referee) ; Kosour, Vojtěch (advisor)
Today, the use of simulations is increasing in order to reduce cost and complexity of production and also to prevent product defects. For this purpose, we use simulation programs, such as ProCAST. This program is designed for simulation of casting parts. In my bachelor thesis I focused on the methods of casting lost wax, where the model is made of wax mixture. In each simulation we have to obtain and specify the properties of the material to casting. I described these properties and methods of measurement in this bachelor thesis.
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