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Fatigue life of crankshaft
Wolf, David ; Kučera, Pavel (referee) ; Vopařil, Jan (advisor)
This thesis is focused on the crankshaft as one of the most dynamically stressed component of internal combustion engines. At the beginning describes in the wider context how is the crankshaft of internal combustion engines strained. Then it considers individual parts of crankshaft, which are affecting its construction in terms of fatigue life. And in the last section describes the different ways to eliminate the damage caused by cyclic loading and modern methods of fatigue life prediction of crankshafts.
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Development engineering for crankshafts
Škrášek, Roman ; Drápal, Lubomír (referee) ; Vopařil, Jan (advisor)
This bachelor thesis deal with issue of developing crankshafts for combustion engines. It describes particular steps of design process and focuses on using of modern methods, which make this process markedly shorter and better quality. The thesis also focuses on fatigue life of crankshafts and on methods of influencing fatigue life.
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Axles of modern trucks
Vávra, Radek ; Vopařil, Jan (referee) ; Kučera, Pavel (advisor)
The main objective of this work is to present trends of modern axle trucks. There are presented the latest famous brands axle trucks. For each type has its axle design, driving properties and applicability. Furthermore, this paper describes the basic principles and structure axle’s differentials, brakes, gearboxes and wheels in the wheels.
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Stabilizing systems of passenger cars
Odehnal, Jakub ; Vopařil, Jan (referee) ; Kučera, Pavel (advisor)
This Bachelor’s thesis describes basic stabilizing systems of passenger cars. These systems are correcting driving the cars and improve safety of the traffic. The main systems described in this thesis are ABS, ASR and ESP. There are also summarized some other assistant systems. In the end there is also view of various individual car companies and their theories of stabilizing of cars.
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Electric all-terrain vehicle ATV
Slíva, Karel ; Vopařil, Jan (referee) ; Kučera, Pavel (advisor)
This bachelor thesis relates to the problematics of electrical four wheelers ATV. The main parts of this thesis are division according to the utilization and construction, and description of available models of the electrical four wheelers. Further the thesis discusses the accumulators, which supply energy to the propulsion units, which are essential parts of all four wheelers. The last part of the thesis relates to the undercarriages, their arrangement in the electrical four wheelers and also to the simplified design of propulsion unit and it also comprise the battery life calculation.
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Chassis of tractors
Krátký, Martin ; Vopařil, Jan (referee) ; Kaplan, Zdeněk (advisor)
This bachelor thesis deals with the currently used chassis of wheeled and tracked tractors. In the first part is an overview and a short description of individual components. The second and third parts are focused on steering of wheeled and tracked tractors. There are in detail described different types of steering and is given a principle of operation. Most of space is devoted to hydrostatic steering which is the most widespread. In the end is summarized a present situation in designing of tractor chassis. There are mentioned used solutions and are described new modern systems and is estimated a supposed trend of development.
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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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