This work includes design of the drive hydraulic shears. The objective is to replace diesel-engine for electric motor. There is a description of the machine and its technological shearing process, types of hydraulic drives and their applications. The work includes the design, description and calculation of hydraulic power unit with an electric motor in two versions. Then there is evaluation of alternatives and select one to which they are processed further structural elements.

This Diploma thesis occupies with design of hydraulic puller. In work are mentioned possible types of construction. Choice construction of puller is disposed with parameters: maximum pushing force 50 kN, speed of piston rod 0,05 m/s. This work also contains FEM analysis by computer programme I-DEAS. The work also occupies with design of fluid drive.

This diploma thesis deals with the mechanical proposal of hydraulic puller. Furthermore, it includes the detail design solutions. The project also includes the calculation of the hydraulic puller parameters: maximum pushing force is 60 kN, speed of movement is 0.1 m s-1. This work also contains of stress analysis FEM with I-DEAS software. Following part deals with the design of hydraulic circuit for driving puller. At the end of work there are options for replacements of hydraulic puller by mechanical systems.

The aim of this diploma thesis is to create a hydraulic system for water turbine control. The basic dimensioning of the hydraulic elements is included in order to build a functional hydraulic diagram.

This Master’s thesis deals with design of hydraulic circuit of laboratory of the Slovak university of agriculture in Nitra with focus on project of its machine part. The thesis includes a description of current condition of the laboratory and a list of investor’s requirements. The main task of this thesis is to complete a project documentation which will be used to build a hydraulic circuit in laboratoty of Department of Water Resources and Environmental Engineering under Faculty of Horticulture and Landscape Engineering of the Slovak University of Agriculture in Nitra. The hydraulic circuit is based on recirculation concept. It consists of an underground water storage tank, stainless steel distribution pipes, measuring flumes and centrifugal submersible pumps. The hydraulic circuit will serve employees of the university for their scientific and educational purposes. Important parts of this thesis are hydrotechnical calculations and circuit control visualisations. The final design is based on a series of negotiations with the investor and suits his requirements.

The subject of this thesis is the design of production technology of the hydraulic cylinder – the part of servomotor of a steam turbine control valve. The main precondition is a perspective technology of manufacturing the component on a single workplace using Siemens NX10 CAM system. The implementation of this work was carried out in cooperation with the Siemen, s.r.o., the branch of Industrial Turbomachinery in Brno. Part of the thesis is a brief introduction to the issue of steam turbines. The main part is devoted to analysis of a selected component in terms of technology, design of the best strategy of production technology and its implementation. The conclusion deals with the technical and economic assessment of the proposal.

Regenerative heat exchangers are established as a means of heat recovery in many industrial applications. The fixed-bed regenerators are mostly used to transfer heat from hot flue gas to cold air. In this work, several mathematical models of regenerators and several calculation methods were compared, while the preferred method is Willmott’s open method from 1964. Analysis of the influence of geometrical and operational parameters was carried out for the linear regenerator model.

This thesis deals with influence of ceramic filters on metal streaming in running systems. The purpose of this thesis is to investigate the influence of porosity, thickness of ceramic filters and also viscocity of molten metal on mold filling. Hydraulic resistance of ceramic filters and possibility of its use in numeric simulation is also tested. At the beginning of the thesis there is theoretic analysis of filtration which inlcudes inclusions in cast irons, filtration matters, gatting systems design, hydraulic resistance and numeric simulation. The second experimental part of this thesis is focused on measuring shedding of molten grey cast iron and ductile iron through gatting systems with filters which are labelled VUKOPOR S. The experimental part then deals with evaluation of experiments results, calculation of hydraulic resistance and numeric simulation with the use of measured data.

This dissertation deals with design of briquetting press of metal splinters. Dissertation reacts to non-complexity of solutions of present products. Goal is to raise the attractivity of the machine and related increase in awareness of this machine with ecological and economic benefits. Dissertation emphasizes preservation of functionality, consideration of ergonomics and safety of the machine.

This diploma thesis describes hydraulic design of Swirl turbine, dedicated to be used for tidal powerplant and study possibilities of the turbine to work in turbine, reverse turbine, pump and reverse pump regime. From individual regimes, graphical characteristics of created hydraulic design were created and compared, using CFD simulations.