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Fuel Systems of SI-engines
Faiman, Jiří ; Drápal, Lubomír (referee) ; Dundálek, Radim (advisor)
The aim of this work is to create a list of fuel systems used in modern gasoline engines and describe the basic components of these systems. It will then be described the function of each of these components and modes of operation of the fuel system at different modes of engine operation. Finally, will be characterized by the selected engines with these systems.
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Methods in Power Increasing of CI and SI Engines
Freisleben, Pavel ; Drápal, Lubomír (referee) ; Dundálek, Radim (advisor)
The bachelor’s thesis is focused on supercharging and its effects on gasoline and diesel engines. It describes different ways of supercharging. In these ways of supercharging, it lists advantages and disadvantages. In the most common ways of supercharging, it mentions in detail the structural elements. It describes the material for producing, the shape of parts and its possible drawbacks. It contains a brief history and modern options of supercharging. In some concepts, the cases of specific turbocharged engines are mentioned.
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Radial cylinder aircraft engines
Šimíček, Petr ; Janoušek, Michal (referee) ; Drápal, Lubomír (advisor)
The bachelor's thesis is focused on design of aircraft radial engines. Home is a treatise on the history of aircraft radial engines and their development in historical context. The second part is focused on the construction of radial engines of aircraft, then are some interesting construction solutions and compared with the engine of another type of construction.
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Valvetrain of Compression-ignition Tractor Engine
Mikula, Vojtěch ; Janoušek, Michal (referee) ; Drápal, Lubomír (advisor)
This bachelor thesis deals with the main types and parts of the valvetrain systems of four-stroke engines. In the first part of the thesis are presented the most widely used versions of valvetrains and their use in the tractor engines. In the next part of the thesis is performed the construction and stress calculation of the valvetrain according to proposed proportions.
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BMW Eight-cylinder Vee-type Engines
Domský, Viktor ; Janoušek, Michal (referee) ; Drápal, Lubomír (advisor)
This bachelor’s thesis incorporates development of BMW Vee-type eight cylinder engines, made for normal, sports and race cars. In the first part there is history of BMW company and effect of legislation of the day, engine technology and their labelling. In the second part there is overview of engine development in chronological order. Interesting technical solutions, power output and applications are mentioned in engines part. Chosen engines are comprised with competition of the day.
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Application of plain bearings for four-stroke internal combustion engines
Šedo, Matej ; Janoušek, Michal (referee) ; Drápal, Lubomír (advisor)
Subject of this thesis are plain bearings and especially their application for four-stroke internal combustion engines. Thesis is divided into two main parts. The first part provides a basic description of plain bearings, their distribution and evolution. It also discusses their materials and the theory of hydrodynamic lubrication. The second part covers concept of sliding bearings in internal combustion engines and their load associated with the election of right material. It also includes description of particular application of plain bearings and the method of oil distribution. It handles the mounting of crankshaft and camshaft, piston pin, connecting rod and other places where sleeve bearings are use.
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Variable Valvetrain Systems
Věříš, Michal ; Janoušek, Michal (referee) ; Drápal, Lubomír (advisor)
This bachelor thesis focuses on the variable valve actuation systems and their influence mainly on spark-ignition engines. Describes the principle of their function, comparison of each other, brief history and a view to future developments. Part of the work is also a simulation of VTEC-E.
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Eccentric Cranktrain
Kóňa, Marián ; Janoušek, Michal (referee) ; Drápal, Lubomír (advisor)
This thesis is focused on design of four-stroke engine eccentric cranktrain. The thesis includes kinematic analysis of mechanism. The main attention is paid to examination of dynamic variables which burden piston skirt. Result of the thesis is designed eccentricity value of mechanism to reduce piston skirt stress.
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Porting and cylinder scavenging of two-stroke engines
Havlen, Prokop ; Svída, David (referee) ; Drápal, Lubomír (advisor)
In the first part of this thesis are explained, main calculations for two-stroke engine cylinder, channels and combustion chamber. In the second part are described in more detail systems scavenging of cylinders. This section is an attempt to compare them with each other and evaluate their advantages and disadvantages. Many of these systems have not spread. They are listed as other possible constructions.
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