This thesis is dealing with thermal fields and the possibilities of their solution by a finite element method. Thereinafter thesis describe assembling a 3D model of induction machine with known parameters, and solving thermal field of the model by Ansys Workbench program and verification of these results by practical measuring on real machine.

This master's thesis considers by single-phase asynchronous motor. The first part discuss about construction, principle of operation and basic parameters of this motor type. It also discussed the emergence of torque and torque characteristics of the different types of engines. The second part explains the basic ways of obtaining grip moment including outline the principles of functions particulars constructions types, which is produce in practice. In the third part is minutely analyse single-phase asynchronous motor with auxiliary phase and permanently conect capacitor, including method of assign size of a capacitor. Fourth part section provides the principles of the procedure for calculating basic parameters of the single asynchronous motor with auxiliary phase. At the last part is accomplished a calculation of single-phase asynchronous motor with permanently conect capacitor at auxiliary phase including comparation with already manufacturing motor.

The aim of this thesis is measure the specimens placed in field of MR tomograph, the measured data to evaluace the process and measurement errors. The theoretical part is focused on describing basic parameters of magnetic field, commissioning some older methods of measurement and design methods for the measurement of samples not issuing MR signal. There is performed modeling for the proposed Metod and the 1D, 2D and 3D environments using COMSOL Multiphysics. The practical part is the measurements samples in the tomograph the Institute of Scientific Instruments Academy of Science in Brno. The measured data are processed in Marevisi and Matlab programs. The MATLAB program is written for processing, analysis and data evaluation, after which it is possible to determine the value of the magnetic susceptibility of the selected samples. In conclusion of the work is the quantification accuracy of measurements.

This thesis deals with the basic theory of the electromagnetic field in the first part and the field interactions with biological tissues. Than describes shortwave diathermy as a technique used for purposes of medical treatment. The aim is to built a model of tissue heating in shortwave diathermy in COMSOL Multiphysics environment, so there is included a description of the programming environment, including the mathematical method that COMSOL uses for calculations. The output of the whole work is a model of the lower limb in the knee part and display the results after his diathermy heating.

In the first part of this thesis a basic theory of retrodirective antenna arrays and their particular parts – antennas and mixers is summarized. Further, there is a basic summary of possibilities for an usage of retrodirective antenna arrays for an information transmission. The second part deals with the concrete retrodirective antenna array design. The design starts with creation of an antenna array model for MATLAB software. Then a suitable structure for further design is chosen. Further, particular parts of retrodirctive antenna array – a patch antenna, a mixer, a low-pass filter, a bandstop filter, a signal combiner and a Wilkinson power divider are designed and analyzed in Ansoft Designer software. For the patch antenna analysis also CST Microwave Studio software is used. The following part deals with the realization of particular parts of the retrodirecive antenna array and its parameters measuring.

The aim of this master thesis is to design a power source for generating pulsed electric field for the needs of the technological process of electroporation of fruit musts and mashes. To design further the network of switched capacitors and inductors based on the required pulse and to design and implement the basic control unit together with the switching transistors. The thesis will include calculations and simulations used in the draft, also design solutions and measured values. This thesis is divided into several basic parts. In the first part there is discussed in detail the theoretical knowledge of electroporation and the desired characteristics of generated pulses are chosen according to this knowledge. Each part of electroporation workplace is described in the second part of this thesis, beginning from the source through the control system to the electrode chamber. For each of these parts are given different possible alternatives. In the next chapter is already proceeded to the design of the source. There are listed required parameters of the pulses and according to them calculations and the design are gradually carried out. Another chapter deals with the simulations, which are used to verify the calculated values and conditions in the electroporated sample. Last but one part discusses the mechanical design of the workplace. There are described all problems of the construction and commissioning of the product. The last section is dedicated to the workplace measurement and analysis of the measured results.

The diploma thesis include improvement proposal of drive slewing 12,5t grabbing crane. Second part this work deal with causes which in the past lead to failure the supporting pole of grab crane by using FEM analysis. Detected causes are applied to new supporting pole of grabbing crane and comparison both results. In the last part of the thesis is constructional, technological and economical summary.

The diploma thesis describes search for propriate change of small jet engine exhaust, based on temperature and velocity flowfield analysis in CFD code Fluent V6.

The subject of this diploma thesis is optimalization of exhaust manifold of ŠKODA 1,2 MPI engine with respect for the plastic deformation at heat stress. The first part is focused on general description of converter module, whose component the exhaust manifold is. In the next part of the thesis is computation of a heat load of the exhaust manifold. The last part is devoted to the seal analysis of the whole converter module of a ŠKODA three-cylinder engine.

This work deals with overlapping paintings in other media, while maintaining an emphasis on "the essence of painting" (Painting) approach. It remains crucial for the whole session, overlaps paintings will be investigated as a function of the new language of discourse, supplementing traditional painting as a medium.