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Simulation of the trencher device prototype
Polák, Václav ; Sommer, Matěj (referee) ; Kašpárek, Jaroslav (advisor)
The aim of this thesis were a simulation and an analysis of the construction of a prototype of additional trencher equipment. At first an analysation of a prototype and a calculation of load states was made. A simulation was made in a multi body system in program MSC Adams View. According to load states was made a stress analysis in program MSC Apex Jaguar. All acquired results were analysed and according to them changes were made to the frame construction. Part of this thesis contains drawings documenting.
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The Suggestion of Implementation of Information System K2
Polák, Václav ; Kolísek, Zdeněk (referee) ; Bartošek, Vladimír (advisor)
The aim of my bachelor´s thesis is location and analysis of internal processes of company (incl. outskirts), which leads to creation complex unit of chosen part of information system K2. The first part of my thesis is marks to theoretical respect – processing and ordering of acquired information. The second part is marks to characteristic of company and concrete results - practical pieces of knowledge, actions and concepts, which leads to successful implementation of information system K2.
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Trencher attachment for a earthmoving machine
Polák, Václav ; Pokorný, Přemysl (referee) ; Kašpárek, Jaroslav (advisor)
This bachelor thesis deals with the possibilities of creating a deep groove. The search part contains an overview of similar devices offered, including the relevant skid steer loaders. It also deals with safety requirements and legislation. The main part is devoted to the actual design of additional grooving equipment, including calculations of key elements.
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Simulation of the trencher device prototype
Polák, Václav ; Sommer, Matěj (referee) ; Kašpárek, Jaroslav (advisor)
The aim of this thesis were a simulation and an analysis of the construction of a prototype of additional trencher equipment. At first an analysation of a prototype and a calculation of load states was made. A simulation was made in a multi body system in program MSC Adams View. According to load states was made a stress analysis in program MSC Apex Jaguar. All acquired results were analysed and according to them changes were made to the frame construction. Part of this thesis contains drawings documenting.
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Trencher attachment for a earthmoving machine
Polák, Václav ; Pokorný, Přemysl (referee) ; Kašpárek, Jaroslav (advisor)
This bachelor thesis deals with the possibilities of creating a deep groove. The search part contains an overview of similar devices offered, including the relevant skid steer loaders. It also deals with safety requirements and legislation. The main part is devoted to the actual design of additional grooving equipment, including calculations of key elements.
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Verification of model calculations for the Kaplan turbine design
Polák, M. ; Polák, Václav ; Hudousková, M.
In order to design a water turbine, the Theory of the Physical Similarity of Hydraulic Machines is used in technical practice. This principle has been known and used by manufacturers of turbines and pumps, but is not available to general public. This paper describes author's calculation program for turbine design that is well accessible to the widest possible range of users of mainly small hydropower sources. Based on the given hydraulic potential (water head and flowrate), the program determines the most suitable turbine type and calculates its main geometric parameters. In addition to numerical results, the program is also endowed with graphic output which renders in true scale hydraulic profiles of rotor blades and guide blades as well as the hydraulic profile of a spiral casing. The process of the Kaplan turbine design is used as an example in this paper. The comparisons of the calculated results with the verified standard 4-K-69 Kaplan turbine confirm the compliance of numerical results with reality.
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The Suggestion of Implementation of Information System K2
Polák, Václav ; Kolísek, Zdeněk (referee) ; Bartošek, Vladimír (advisor)
The aim of my bachelor´s thesis is location and analysis of internal processes of company (incl. outskirts), which leads to creation complex unit of chosen part of information system K2. The first part of my thesis is marks to theoretical respect – processing and ordering of acquired information. The second part is marks to characteristic of company and concrete results - practical pieces of knowledge, actions and concepts, which leads to successful implementation of information system K2.
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