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Wettability of pins with different surface treatments
Fabiánek, Marcel ; Zatloukal, Miroslav (referee) ; Starý, Jiří (advisor)
The master thesis is devoted to the problem of wetting of lead components. It outlines the problems of soldering, solder joint formation. It looks at the area of pin wetting, which will be tested by the method of wetting scales and the formation of an intermetallic layer at the solder-pin interface. The formation of intermetallic layers will be observed on copper contacts electroplated with another metal.
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Work life balance in the selected company
RADDOVÁ, Veronika
The thesis deals with the issue of work-life balance in a selected company. The theoretical part introduces the issue and the individual tools related to it. The practical part first fo-cuses on the characteristics of the company. In the next part, based on semi-structured interviews, the individual tools and benefits that the company offers to its employees to help them balance work and personal life are identified. The last part of the thesis deals with a questionnaire survey with employees. Based on this, the work-life balance mea-sures offered by the company were evaluated and the current state of employee satisfacti-on was identified. The thesis concludes by proposing new tools that could lead to the de-velopment of the company in this area, based on the identified shortcomings.
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Multiphase flow simulation of mixing phenomena in a chemical reactor
Novosád Kluknavská, Júlia ; Kožušník, Martin (referee) ; Klas, Roman (advisor)
Predkladaná diplomová práca sa zaoberá problematikou priemyselného miešania a jeho CFD simuláciou. Práca kvalitatívne pokrýva teoretické pozadie miešacích procesov, t.j. dáva všeobecný prehľad o priemyselných miešačoch a ich využití, predstavuje konkrétne typy miešacích vrtulí a poskytuje základné odporúčania pre zostavenie miešacej aparatúry. Hlavná časť práce je zameraná na praktické využitie CFD simulácii pre priemyselnú aplikáciu. Na to, aby bol CFD model fyzikálne správny je potrebná jeho validácia experimentom. Práve preto bol navrhnutý a uskutočnený experiment, v rámci ktorého bol pozorovaný tvar a hĺbka vodnej hladiny pri vírivom prúdení a zaznamenávaná doba rozpúšťania tuhej kryštalickej látky. To isté bolo nasimulované pomocou CFD. Konečné porovnanie CFD simulácie a experimentu preukázalo zhodu tvaru hladiny a jej hĺbky. Model pre simuláciu rozpúšťania je v súlade s reálnym fyzikálnym procesom ale je nutné ho vylepšiť. V práci je však popísaný vhodný spôsob, ako postupovať k získaniu CFD modelu fyzikálne správne popisujúceho rozpúšťanie kryštalických látok.
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Condensing Steam Turbine
Víšková, Jaroslava ; Ing.Václav Urbánek (referee) ; Fiedler, Jan (advisor)
The theme of this master thesis is one body steam turbine of 150MW with reheat. There is calculated heat balance of the system with three low pressure heaters, deaerator and two high pressure heaters. Next part deals with calculation of blades and its lenght. Next are the attachments of blades into stator and rotor parts of the turbine. By the end of the thesis there is recalculation of heat balance scheme and blading followed by calculation of parameters for operation of turbine in 75% and 50% of the rated power output. The output of the whole thesis is drawing of horizontal cut of the turbine.
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Type design and flowchart of a steam turbine for a specific location
Kalina, Leoš ; Pospíšil, Jiří (referee) ; Škorpík, Jiří (advisor)
This master's thesis is deals with type designing and implementing the steam turbine to the machine part of heat plant in reconstruction. The thesis consists of two parts. First part is theoretical explanation of the heating industry, steam turbines, thermal cycles and components of thermal power plants. Second part of the thesis describes the design and calculation of thermal diagrams based on turbine parameters, which were provided from Tenza, a.s. tender. There is a simplified calculation of technical-economic study in the conclusion of the thesis. The thesis output is recommendation of single final implementation solution for customer.
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Application of Financial Analysis in a Company
Strnadová, Michala ; Šístek, Petr (referee) ; Konečný, Miloš (advisor)
The elaborated financial analysis is focused on detection of weak and strong points of the company. The master thesis discusses implementation of financial analysis of company ADAPTA, spol. s.r.o. On the basis on results of the undertaken analysis and these are going to lead to improvement of current economic situation of the firm.
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Energy-efficient guest house in the city of Lednice
Joch, Tomáš ; Uher, Pavel (referee) ; Rubinová, Olga (advisor)
My Masters project is titled Energy-efficient guest house in the city of Lednice. The assignment is to design a building, which meets contemporary standards of energy efficiency. There are three parts of the project. The first part consists of designing the structure of the building. The building is L-shaped with pitched roof, single-storey with attic. There is a pool with sauna, restaurant with kitchen and main hall with entrance and reception on the ground floor. At the attic there are twenty two dwelling units for guests, common room and staff facilities. The main entrance is oriented towards east. The building is masonry system from sand-lime blocks with prefabricated reinforced concrete floor slabs and roof is made of timber roof truss. The building facade is insulated by ETICS. In the second part, there are designed HVAC, lightning and shading, rainwater usage and photovoltaic power station. In the third, there is a calculation of energy need for heating and cooling using monthly balance mehtod. The project is designed with support of AutoCAD, Revit and DEKsoftT softwares.
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Wind tunnel experiment of scaled car model preparation
Zedník, Roman ; Doupník, Petr (referee) ; Matějů, Jiří (advisor)
This master thesis focuses on designing of an external six-component balance. This universal concept would provide access of results from different models of wings, aircraft and automobiles with relatively small scales. This work also includes theoretical background needed in aerodynamic testing, analysis of 1D beam element model of scale and explanation of components used in scale. Lastly methods of calibration and measurement in aerodynamic tunnel are described, which can be adopted for this design to achieve the adequate level of accuracy.
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