The diploma works demonstrates the thermodynamic calculation and design of the geometry flow profile of the back-pressure steam turbine for specified inlet and outlet conditions of steam. Next target of the work is to design the drawing of the turbine axial cross section. Structuring of this diploma work calculation is following: - regulating stage thermodynamic calculation - turbine stages calculation - equalizing-balancing piston calculation - entire turbine intrinsic efficiency and power rating determination - basic calculation of gearbox parameters and RENK-type gearbox selection for turbine and generator arrangement

This thesis describes the design of cartesian robot for precise measurement microphones. It contains design of robot, which is set from motorized linear stage and welded steel profiles structure. Model of described robot was computed in Inventor and then strength analysed in Ansys. Individual motors of linear stages and their sensors were designed at the end.

This thesis is about design of reducer for six-cylinder aircraft engine. There are processed every parts of reducer and the assembly with crankshaft, torsional vibration of complete assembly and calculation of service life of every individual part.

Main aim of presented master thesis is focused on construction of high speed steam turbine. Steam turbine is designed based on parameters of waste incineration plant in Brno. First chapters shortly summarized historical development, transformation process and work principal of steam turbine. Consequently on first captures is in depth described impulse and reaction blading including expansion in i-s diagram and basic equations for efficiency calculations. In major part of master thesis is firstly discussed conceptual possibilities of turbine application for given parameters. Based on chosen concept is compiled algorithm for thermodynamic calculation for each turbine module. Simplify calculation of gearbox is included as well. Based on calculations are compiled construction drawings of all parts of steam turbine.

The aim of this diploma thesis is reconstruction of gearbox testing rig. Modernization will allow fully automatic long-term gearbox tests according to pre-defined test parameters. The first part of thesis describes commercial and scientific solutions of used testing rigs. Individual solutions are inspected and evaluated for applicability to upgrade the testing rig. The second part of diploma thesis deals with selection of purchased components for allowing automatic drive, design concepts, selection of appropriate design, assembly and installation of control board and calibration of used components. This part of diploma thesis deals with analysing of software solution made for automatic drive too. The output of this work is a functional sample of control hardware and software for automatic and manual control which contains recording of measured data.

This master’s thesis deals with design of a high speed steam turbine with detachable condensation module and integrated gearbox. As a source of energy is used heat waste, which is a result of the diesel engines function. Important options concerning conception of the turbo set are discussed in the master’s thesis. Subsequently, thermodynamic calculations for each module are done. Part of the thesis is also simplified calculation of the integral gearbox. Construction drawings of all modules and of the complete turbo set with electrical generator were created based on thermodynamic calculation.

This diploma thesis is dedicated to a design of a reversing turbo-compressor. The thesis is divided into several parts. The introductory part includes the relevant theory and categorization of turbomachines. The second part describes the storage system the machine is designed for. A separate chapter is devoted to other examples of possible use of this machine. The next chapter provides a detail description of modes and individual parts of the machine. The most comprehensive chapter is then devoted to the design of the compressor, turbine calculation and design of integrated gearbox. The thesis also includes an annex, which contains the technical documentation.

The topic of this thesis is a project of condensing steam turbine, which uses as an energy source heat waste from high output combustion engines. In the first part of the thesis, there is a general overview of different types of combustion engines and their thermodynamic cycles. There are also explained important features, which are essential for running of combustion engines. In the second part, there is a theoretical explanation of steam turbine. The main part of the thesis is a project of condensing steam turbine with an integrated gearbox. At first there are chosen basic conceptions, which influence the project; then there is calculated an algorithm for thermodynamic calculation for each turbine module. At the end, there is conducted a simplified calculation of a gearbox and there is also a calculation of payback period of the designed steam turbine. There are made drawings, which are all base on the previous calculations. There are drawings of sectional views of each unit and there is also a drawing of construction arrangement of steam turbine with a generator.

The aim of the Diploma Thesis is to discuss the design and construction solution for circulation of the thermodynamic heat pump especially used in the heating industry with stoichiometric combustion of chosen natural gas. The basic components of the proposed heat pump are turbine, compressor and gearbox. To solve the presented aims, the thermodynamic calculation of the individual components, the determination of the efficiency of the whole equipment and the analysis of the physical properties of the natural gas with regard to the specified input and output parameters were considered. In addition, an analysis of the individual components design of the proposed equipment was carried out, on the basis the technically most acceptable variant was chosen and the equipment construction was carried out incl. connecting elements. Drawing documentation is part of the attachments. On the basis of the analysis, it can be stated that the proposed plant leads to energy savings, is ecologically sufficient and has been shown to have approximately twice the amount of heat dissipated than without its use.

Many new cars are equipped with automatic transmissions. These gearboxes often have a dual clutch transmission (DCT) that has a built-in wet clutch. The lubricants used in these gearboxes is often very advanced because it must take care of two systems, the wet clutch and the gears. There is always a strive to make the drain intervals longer. To do this a fundamental understanding of the aging mechanisms inside a DCT must be understood. This project focuses at the aging of the lubricant and friction material inside the wet clutch. A test rig at Luleå University of Technology is redesigned to be able to age this kind of systems. The test rig contains a wet clutch from Volvo Construction Equipment and the redesign focuses mainly on decreasing the oil sump volume to 6 liter and getting the oil sump to be at 100 °C during the tests. To verify the test rig a test is done that are trying to mimic a test done on a test rig called ZF GK3. The same lubricant, friction material and grove pattern are used as in the test with the ZF GK3. Due to the difference in how the test rigs are built all parameters cannot be held the same during the test. At first the same sliding speed at the mean radius, the average power over an engagement and the oil sump temperature is kept the same. A drop in the static friction can then be seen over time. This was however not the expected behavior. The sliding speed is therefore increased which also increases the average power and transferred energy per engagement. This has also big effects on the temperature inside the clutch. A drop in the coefficient of friction can then be seen at 50 % of the sliding speed which also is seen on the test carried out on the ZF GK3. This verifies that the test rig can be used for aging of these kind of systems.The aging that takes place seems to be dependent on the temperature inside the clutch.