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HCCI engines
Otáhalík, Pavel ; Šebela, Kamil (referee) ; Štětina, Josef (advisor)
This bachelor thesis deals with the problematics of HCCI engines. Due to later required knowledge of fundamental principles, the beginning of the thesis is devoted to the history of combustion engines, the principle of their function and their division by basic criteria. The following section consists of the description of petrol and diesel engines in terms of the principle of the mixture formation and its combustion with emphasis on their advantages and disadvantages. In the central part of the thesis, which focuses on the HCCI engines, various mixtures creation methods and ignition are described. Next, the HCCI engines are described in terms of emissions including current concepts solutions. Finally, the conclusion of the thesis consists of speculation of the future of combustion engines and their prospective alternatives.
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Construction design of the biological specimen vehicle
Otáhalík, Pavel ; Ramík, Pavel (referee) ; Štětina, Josef (advisor)
This diploma thesis deals with the design of a vehicle for biological sampling. The beginning of the thesis is devoted to explaining the reasons for the construction of this vehicle and examples of other special vehicles used by paramedics or rescuers are given. The next part of the thesis deals with the design. First, the vehicle that will serve as the platform for the body is selected and then the design of the body is described. Next, the interior of the sampling vehicle is designed to contain all the equipment needed for the efficient work of the doctors performing tissue sampling. Finally, the strength of the auxiliary frame of the vehicle, which serves as the basis for the superstructure, is checked. In conclusion, the design is evaluated to see if all the requirements given in the brief have been achieved and consider what needs to be addressed further to build the biological sampling vehicle.
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HCCI engines
Otáhalík, Pavel ; Šebela, Kamil (referee) ; Štětina, Josef (advisor)
This bachelor thesis deals with the problematics of HCCI engines. Due to later required knowledge of fundamental principles, the beginning of the thesis is devoted to the history of combustion engines, the principle of their function and their division by basic criteria. The following section consists of the description of petrol and diesel engines in terms of the principle of the mixture formation and its combustion with emphasis on their advantages and disadvantages. In the central part of the thesis, which focuses on the HCCI engines, various mixtures creation methods and ignition are described. Next, the HCCI engines are described in terms of emissions including current concepts solutions. Finally, the conclusion of the thesis consists of speculation of the future of combustion engines and their prospective alternatives.
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