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Design of an aircraft for towing according to CS-VLA
Marek, Ondřej ; Urík, Tomáš (referee) ; Mališ, Michal (advisor)
The topic of the thesis is a design of an aicraft for towing of gliders. Based on the background research of the towing aircrafts currently used by the Czech aeroclubs and the analysis of the required characteristics of these aircrafts the design of the new airplane has been created. Moreover, the load of engine mount has been determined according to the CS-VLA directive (a certification guidelines for the Very-light aircrafts). Its construction design as well as strength calculation have been elaborated. The part of the thesis is a 3D model of the aircraft and the engine mount.
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Design of system model of L23 Blanik sailplane
Šenkýř, Miroslav ; Mališ, Michal (referee) ; Urík, Tomáš (advisor)
The aim of this diploma thesis is to create useful reference models of the glider L-23 Super Blaník and their use for framework proposal technology of production, which will improve accuracy and reduce labor intensity of production. The introduction of the thesis describes history of glider and historical overview of geometry transmission in terms of structure. The next chapter of the thesis deals with the description of reference models and rules of their creation. Section describing coordinate systems is closely linked with the previous chapter. Another section of thesis is dedicated to the importance of reference models in the product lifecycle. The creation and tuning of reference models of glider is described in the next chapter of thesis. The penultimate chapter deals with experiment, which allowed verification of reference model and product. The conclusion of the thesis describes proposed technology of production where used verified reference models and modern tools of CAD systems refine and facilitate production. The main objective in designing of reference models was the definition of high quality and usable surfaces. Also proposal technology of production was processed in order to ensure the improvement and simplification of manufacturing process.
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Application of Friction Stir Welding in Aircraft Structures
Šrubař, Martin ; Urík, Tomáš (referee) ; Klement, Josef (advisor)
Slitiny hliníku řad 2XXX a 7XXX nejsou shledávány jako svařitelné s použitím tradičních metod svařování. Jsou však široce používány v leteckých a kosmických konstrukcích. Obvyklý způsob jejich spojování je pomocí nýtování. Nově vznikající technologie lineárního svařování třením rotujícím nástrojem (Friction Stir Welding - FSW) již ukázala slibné výsledky při svařování těchto slitin. V této práci jsme prozkoumali aplikace technologie FSW v leteckých konstrukcích zejména jako náhradu nýtování na panelech vyztužených stringery. Sestavili jsme výrobní postup pro daný panel a navrhli další kroky k jeho optimalizaci. Dále jsme sestavili znalostní bázi základních svařovacích parametrů a porovnali jsme nýtování a FSW na jednoduchém modelu využitím metody konečných prvků a s cílem identifikovat rozdíly v charakteru rozložení napětí v těchto vzorcích.
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Design of Trainer Aircraft with Tandem Seats
Dycka, Jan ; Urík, Tomáš (referee) ; Juračka, Jaroslav (advisor)
The diploma thesis deals with the project of composite constuction of aeroplane VUT 001 Marabu and its FEM stress-deformation analysis. The project of pilt´s cockpit is solved in the light of basic ergonomic requirements. Mass analysis, calculation and resulting selection of conclusive events of load are parts of the work. The results are applied on FEM model of fuselage and the state of stress in individual sections of composite structure are determined by the MSC Patran/Nastran system.
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Design of Aileron of Composite Materials
Dvořák, Vlastimil ; Klement, Josef (referee) ; Urík, Tomáš (advisor)
This diploma thesis called „Aileron Design of Composite Materials” deals with the technologies of production used in aricraft industries. It shows appropriate conceptions of composite structures for the airplane aileron of Aero L-159A/B as well as a proposal of an accetable structure for RTM process.
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Experimental comparison of shear properties of FRP measured by ASTM methods
Ponížil, Tomáš ; Mališ, Michal (referee) ; Urík, Tomáš (advisor)
Přesné určení konstitutivních smykových závislostí napětí na deformacích je základem pro pochopení chování anizotropního kompozitního materiálu. Bylo vyvinuto mnoho zkoušek smykových vlastností kompozitních materiálu. Jelikož vyvolání čisté smykové napjatosti je složité, tento stav je vyvolán pouze některými z nich. V této práci je ověřeno použití systému Aramis k vyhodnocení průběhu smykového přetvoření a následnému výpočtu konstitutivních smykových vlastností při provedení jednoduché zkoušky ohybem krátkého nosníku. Tyto výsledky jsou dále porovnány se zkouškou podle Nicolae Iosipesca.
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Application of microwave heating for curing of adhesives and composite materials
Wagnerová, Klára ; Urík, Tomáš (referee) ; Klement, Josef (advisor)
This bachelor's thesis concerns the microwave technology and the possibilities for its use in the curing of adhesives and composite materials. The thesis is divided into two main parts. The first part summaries theoretical findings about microwave technology. There is the principle of microwave heating described as well as constructions of microwave devices. Also the possibilities of using this technology for the curing of composite structures are mentioned. The second part of the thesis is devoted to the practical verification of the theoretical assumptions.
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Technical documentation of parts made from composite materials
Vlček, Dalibor ; Urík, Tomáš (referee) ; Klement, Josef (advisor)
This bachelor thesis describes the rules applicable for creation of technical documentation of parts made from composite materials. In the first part of this paper a brief characteristics of composite materials is introduced. In the subsequent parts the thesis deals with the basic principles of creating the documentation according to the European standard EN 4408. The main aim of this thesis is to summarize the rudimental conventions that refer to drawing of technical documentation of aircraft composite parts.
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Tail Units
Dula, Jan ; Mališ, Michal (referee) ; Urík, Tomáš (advisor)
In this bachelor´s thesis is created a survey of constructive solutions and lay-out of horizontal tail unit, solutions of horizontal stabilizer attachment and ways to control the elevator. In the introductory part the term which is used in this thesis are briefly explained. In the following part the possible configurations of the tail units are listed. From these configurations, some solutions are selected and they are closely classified. Any of these solutions provides a short description of the elevator control, the advantages and the disadvantages of this solution, an overview of selected horizontal stabilizer attachment and their detailed description.
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