National Repository of Grey Literature 75 records found  previous11 - 20nextend  jump to record: Search took 0.01 seconds. 
Machining parts made from composite materials
Trčka, Radim ; Prokop, Jaroslav (referee) ; Kalivoda, Milan (advisor)
This thesis deals with fiber-reinforced composite materials in terms of their attributes, development, distribution, usage and production. It analyzes problems of composite materials (especially electroinsulating and thermo insulating) and machining supported by Edgecam software.
Study of the properties of concrete with reinforcement, intended for the production of concrete egg-shaped tubes
Šťastný, Antonín ; Hela,, Vlastimil (referee) ; Hubáček, Adam (advisor)
This diploma thesis examines the properties of concrete with reinforcement, designed for the production of a concrete egg-shaped tubes . The stress is put on using various types of fiber reinforcements. Theoretical part is divided into 4 subsections. The topic of the first subsection is a concrete in general. Second subsection deals with various technology of production of concrete pipes. The third subsection is focused on description and summary of basic properties of concrete and reinforced concrete tubes. The last subsection deals with standardized procedures for testing concrete. Experimental part of this thesis is divided into two subsection. First subsection deals with design of a reference sample. Six different samples of a concrete were designed and their rheological properties were tested. Second subsection deals with the additi-on of various types of fiber reinforcement to the reference sample. Eight different admixtures of a concrete were added to the reference sample. Properties of these admixtures were tested in fresh and hardened state.
Proposal of interactive computer exercises for the programming education
Chaloupka, Tomáš ; Mekyska, Jiří (referee) ; Přinosil, Jiří (advisor)
The aim of this bachelor thesis is to design interactive excercises based on feedback from students who have passed through programming course Počítače a programování 2 in Java language. The main part of this work is comprised of design of selected exercises and their applications development. Graphical user interface is designed in JavaFx framework.
Cutting forces when drilling fibre reinforced composites
Režný, Tomáš ; Sedlák, Josef (referee) ; Humár, Anton (advisor)
This master´s thesis is focused on fibre–filled composite materials, their distribution, labeling, usage, development and production. The aim of this work is complex processing of acquired technical knowledge, and evaluation of technological rehearsals of drilling composite materials which are reinforced by glas fiber and prepreg in terms of the impact of the machined material, wor-king conditions and the tool, and its wear to the feed force value and torque.
Techniques for parallel processing in .NET Framework
Hajn, Pavel ; Morský, Ondřej (referee) ; Lattenberg, Ivo (advisor)
This bachelor thesis describes the design of program which uses the techniques of parallel programming. The thesis contents theoretical and practical part. The theoretical part is focused on explaining the basic concepts such as multi-threaded execution of applications on singlecore and multicore processor, topology of threads and methods of parallel programming with using classes ThreadPool and Task Parallel Library, which describes the methods Parallel.For, Parallel.ForEach, Parallel.Invoke and TASK. In the practical section individual functions and specific methods needed for proper functioning of the program are explained, which represent simple archive of web pages. The sites are periodically checked and addresses of this website’s are specified in the configuration file.
Applicability of GCD Technology to Antivirus Software
Švec, Michal ; Janoušek, Vladimír (referee) ; Kočí, Radek (advisor)
This master's thesis describes Grand Central Dispatch technology. It is technology for parallel computing and task processing. It also describes history and techniques of parallel computing. As an example stand simple HTTP server with 4 methods of request parallel processing. Server is connected to AVG antivirus software and check each request for viruses.
Development glass-concrete of with high mechanical properties
Plochý, Ondřej ; Lederer, Peter (referee) ; Hela, Rudolf (advisor)
This master thesis summarizes the current knowledge regarding the design and properties of glass fiber reinforced concrete products. It also deals with the design of a new concrete recipe for Dako spol. s.r.o company. There is verified effect of changes in input materials in real conditions the company to increase tensile bending strength above 20 MPa.In particular, verification of the use of building chemistry like superplasticizing additives, polymer-cement matrix or a change type or dose of glass fiber.
Cutting forces when milling fibre reinforced composites
Martének, Libor ; Forejt, Miloslav (referee) ; Humár, Anton (advisor)
The thesis is focused on composite materials with a view to their classifi-cation, identification, usage, current trends in production and development and possibilities of effective machining. As a part of this thesis, there is an evaluation of experimentally measured values during technological testing of milling of a fibre reinforced composite with a polyester matrix reinforced by fiberglass. The technological testing was performed with a view to measure certain values, i.e. impact on machined material, working conditions for a tool and its abrasion equal to the values of components of cutting force. From the values obtained from the testing, a general analysis of cutting force when milling was created containing overall technical and economical evaluation.
3D Accelerated Photo Viewer
Gajová, Veronika ; Jaroš, Jiří (referee) ; Pospíchal, Petr (advisor)
This work deals with the problem of design and implementation of multiplatform picture viewer, using OpenGL graphic library. Lag-free execution of the aplication is achieved by usage of multiple threads and suitable synchronization mechanisms.
Cutting forces when milling fibre reinforced composites
Machalová, Veronika ; Sliwková, Petra (referee) ; Humár, Anton (advisor)
Cutting forces problems analyses during milling operation, description of experimental machinery for measuring cutting forces. Characteristic of composite materials, their properties, production and usage. Evaluation of experimentally measured values of cutting forces during cylindrical conventional milling. Technical economic evaluation.

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