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"Start&Stop" system spark ignition engine, passanger car implementation
Kubiš, Milan ; Hejtmánek, Petr (referee) ; Blaťák, Ondřej (advisor)
My bachelor work describes a system implementation Start&Stop and its usage in passenger cars with gas engine. The work details reasons for the usage of this system and technically describes the basic elements. It shows different constructions of the systems, their advantages and disadvantages, both from the point of the influence over the car movement and in terms of the motoring comfort and the safety of running, especially in the urban environment.
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Design of Throttle body for SI engine
Jantač, František ; Bazala, Jiří (referee) ; Beran, Martin (advisor)
This master’s thesis deals with the design of the throttle body of the intake manifold of a spark-ignition engine with regards to minimizing throttle loses at full engine load. The first part of this thesis focuses on the elements of intake tract structure on contemporary combustion engine including their design solutions and the theory of flow. The thesis also describes the creation of the 3-D CAD model of intake manifold with a throttle body and the description of the CFD flow simulation with the evaluation of resul.
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Automobiles of the eighties and nineties
Holuša, David ; Ramík, Pavel (referee) ; Píštěk, Václav (advisor)
This Bachelor Thesis describes events, which led to automotive industry development in eighties and nineties of the twentieth century, further it focuses on situation in industry on each continent and on the most influential car factories, briefly describes the biggest inventions of the time and their principles and function from the technological side of view and considers implementation in modern cars.
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Gasoline Direct Injection
Smejkal, Jan ; Janoušek, Michal (referee) ; Dundálek, Radim (advisor)
This bachelor thesis deals with the problematics of gasoline direct injection in combustion engines. There is a view of the history of the development of gasoline direct injection in the introduction. The main part focuses on the principle of the process function, description of components of fuel system and specific components of exhaust system. There is also a description of benefits of using gasoline direct injection, especially considering the amount of pollutants in exhaust gas. The following part of the work contains an overview of gasoline direct injection engines and their comparison in terms of power. In the conclusion, there is a consideration of gasoline direct injection development in the future.
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Optimalization of Intake Manifold for SI Engine
Vondráček, Václav ; Vančura, Jan (referee) ; Beran, Martin (advisor)
The main aim of this diploma thesis is to design two different types of air throttles in the intake manifold and compare their influence on a loss of dynamics of the flow of drawn air. The main purpose is to compare the mass flow for wholly opened air throttle. It deals with creating CDF model of intake manifold by using 3D scanner Atos and software Pro/Engineer WF5. During the work, the results of the CFD analysis were used for a real testing.
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Lubrication of gasoline and diesel engines
Krejčí, Tomáš ; Vaverka, Michal (referee) ; Křupka, Ivan (advisor)
The main subject of this bachelor’s thesis is describing the present state of knowledge in the sphere of compression-ignition and spark-ignition engines lubrication, lubricants and future trends. First part is about internal combustion principle, engine construction. Next parts are about engine lubrication system, lubricating modes, and its locating in the engine. Last part is about oils, and insights into the future.
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Engines of Octavia vehicles
Malchárek, Miroslav ; Vopařil, Jan (referee) ; Píštěk, Václav (advisor)
This bachelor thesis deals with popular car Škoda Octavia and combustion engines used in it. Thesis is divided into three chapters. The first chapter deals with a development of Škoda Octavia car. The second chapter approaches diesel engines used. The third chapter treats of commonly used combustion engines.
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Predicting spark-ignition engine emissions
Jirout, Petr ; Böhm, Michael (referee) ; Štětina, Josef (advisor)
This diploma thesis deals with the possibility of predicting emissions of SI engines. The aim was to create an algorithm for predicting unburned hydrocarbons and carbon monoxide, based on ECU signals. The algorithm is based on practical experiments with SI engines. In the summary, the issues and the possible use of the created algorithm following the incorporation of EU7 are outlined.
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