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Adjustment of Engines for Motorsport
Slovák, Marek ; Ramík, Pavel (referee) ; Dundálek, Radim (advisor)
This thesis treats of basic options for gain performance parameters of engine for the purpose of usage the unit in motorsport. Thesis is especially aimed at theoretical part of implementation of adjustments and also provides practical examples. By no means it is not a manual or accurate enumeration of adjustments which are used for different kinds of motorsports. Thesis rather provides reader with the view on topics which bring the biggest increasment to engine performance or which is in the given topic interested in other way.
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Turbochargers for internal combustion engines.
Holík, Petr ; Martinec, Jiří (referee) ; Škorpík, Jiří (advisor)
This bachelor thesis deals with theme of turbochargers for internal combustion engines and shows basic systematic view of this theme. The work is divided into three main chapters. The first chapter deals with historical development and usage of turbochargers. The second chapter attends to working principle and energy transformation in the turbochargers. In the third chapter there are mentioned main types of turbochargers and their parameters and worldwide producers.
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Up-to-date Supercharged Petrol Engines
Gruber, Jakub ; Janoušek, Michal (referee) ; Dundálek, Radim (advisor)
This bachelor thesis is focused on the modern supercharged petrol engines. The intro-duction opens with a brief overview of the European emission standards. The main part of the work deals with the devices reducing car emissions. There are described fuel sys-tems and specific components of a direct fuel injection. A vast part of the work is dedi-cated to the downsizing of the engines and its contribution. I also mentioned the alter-native fuel vehicles.
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Diesel Engine Turbochargers
Fňukal, Jan ; Prokop, Aleš (referee) ; Janoušek, Michal (advisor)
This bachelor's thesis is specialized search dealing with diesel engine turbochargers. The work is divided into four main parts. The first part deals with positives of supercharging, history of turbochargers and principle of supercharging. The second part describes particular construction solution. The third part is focused on systems of regulation. The last part attends to development trends of turbochargers.
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Fitting and Extrapolation of Turbocharger Turbine Maps
Vondrák, Adam ; Babák, Martin (referee) ; Novotný, Pavel (referee) ; Štětina, Josef (advisor)
Modelování turbínových charakteristik je nutným předpokladem pro detailní simulaci výměny náplně válce turbodmychadlem přeplňovaných spalovacích motorů. Kromě toho je možnost stanovení účinnosti a průtokové kapacity v libovolných pracovních bodech klíčová pro porovnání různých turbínových stupňů. Cílem této práce je předložit jednotnou metodu pro oba účely tak, aby bylo možné provést porovnání použitím přesně stejných modelů turbín jako při následné simulaci pracovního oběhu motoru. Zdrojem vstupních dat je obvykle měření na plynové zkušebně, které však umožňuje zachycení pouze omezeného pracovního rozsahu turbíny. V této práci jsou navrženy metody umožňující zvýšení věrohodnosti a robustnosti extrapolace turbínových charakteristik, přičemž optimalizace je využita k určení takových parametrů hledaných funkcí, které vedou k nejlepší shodě mezi modelem a vstupními daty.
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Turbocharged 1,2L Spark Ignition Engine
Věříš, Michal ; Svída, David (referee) ; Bradávka, Marek (advisor)
This diploma thesis is focused on performance options for turbocharged 1.2 litre spark ignition engine. First of all, couple of engine variants are compared and the most suitable one is chosen. Production turbocharger is determined upon the calculation of compressor parameters. Simulation in Lotus Engine Simulation and GT-Power is done to confirm co-operation of turbocharger with engine. Two stage serial turbochargers are also compared and the most effective pair is chosen for simulation. Research through the possibilities for increase the power output and the detail focus on turbochargers is also part of this thesis.
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Turbocharging of combustion engines
Kadleček, Jiří ; Beran, Martin (referee) ; Vančura, Jan (advisor)
This bachelor thesis presents the construction and function of the main types of mechanic turbocharging systems. Furthermore, it contains the analysis of regulating elements and the last chapter involves also the description of the newest trends in the field of turbocharging.
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Overcharginh of SI and CI Engines
Čavoj, Ondřej ; Beran, Martin (referee) ; Dundálek, Radim (advisor)
This Bachelor’s thesis is focused on overcharging and its influence on spark-ignition and diesel engines. It describes common overcharging methods, including their advantages and disadvantages. In analysing the most regular of them, it also mentions their design elements and possibilities of eliminating some of their weak points. It also contains short summary of this segment’s history, the view on possible future development and at the end even examples of overcharged engines.
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Multistage turbocharging of diesel engine
Vichr, Tomáš ; Beran, Martin (referee) ; Svída, David (advisor)
This master thesis summarizes the basic knowledge in the field of turbocharging of internal combustion piston engines. It also focuses on the analysis of some properties of multistage turbocharging, especially for diesel engines. Using analytical relationships, a model in the form of a web application has been created, which describes the cooperation of a turbocharger or turbochargers with an internal combustion engine. With the help of this model, some two-stage supercharging options for the selected engine have been then proposed.
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