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Increasing the efficiency of modern internal combustion engines
Kuzmin, Aleksei ; Böhm, Michael (referee) ; Beran, Martin (advisor)
This bachelor's thesis deals with the issue of increasing the efficiency of internal combustion engines, which is of significant importance nowadays due to the popularity of personal cars. The given problem is closely related to the reduction of fuel consumption during the operation of the above-mentioned machines and the great pressure of emission standards. The global climate change of our planet and the great impact on human health caused by the amount of harmful emissions of exhaust gases, which are motivations for further research in the given area. For solving a specific issue was chosen a research method, which consists of using quality information sources and professional scientific articles. The basic procedures in the elaboration of this bachelor's thesis have the following character: a brief historical overview of the development of internal combustion engines, theory in the context of the issue and definition of the necessary quantities, comparison according to basic parameters (efficiency, principle of work, emissions, specific effective fuel consumption) of three current methods of solution (millerization, Atkinson cycle, variable compression ratio), discussion of achieved results, drawing of important conclusions. The conclusion of the thesis is the evaluation of the advantages and disadvantages of the chosen solutions to the given problem, the potential of using and the assumption of the future of internal combustion engines.
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