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Measurement and Evaluation Methods of Powertrain Vibrations
Vítek, Michal ; Janoušek, Michal (referee) ; Prokop, Aleš (advisor)
This bachelor´s thesis deals with the methods of measurement and evaluation of powertrain vibrations. Introduction of this work is defining the basic parameters of vibration. It also shows the experimental modal analysis, vibration excitation methods and measuring responses to a given excitation. The last part is operational modal analysis and its comparison with experimental modal analysis.
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Noise Reduction Methods in Automotive Design
Kubica, Petr ; Janoušek, Michal (referee) ; Prokop, Aleš (advisor)
The aim of this bachelor thesis is create a research study about noise reduction methods in automotive design. The introduction of this work deals with acoustic and the influence of noise on people. Furthermore it deals with ways of noise creation in a car and its suppression. In the end of this work there is a valorization of certain methods at noise suppression of a personal vehicle.
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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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Injection Systems of Commercial Vehicles
Cajzl, Štěpán ; Janoušek, Michal (referee) ; Dundálek, Radim (advisor)
This thesis summarizes information about injection systems used in commercial vehicles. Includes an overview of different types of injection systems, their differences in structure, function description and their pros and cons. The following is a list of the world's leading automobile manufacturers of commercial vehicles, indicating the injection system on the engines. Finally, a comparison of different systems.
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Uncoventional Valve Control
Janoušek, Michal ; Svída, David (referee) ; Dundálek, Radim (advisor)
This bachelor thesis describes some non-traditional systems of valve control in four-stroke in four-stroke engine. The first part is about basic valve train arrangement and their use. Further work continues the basic description of selected non-traditional systems of control valves, these are the systems used both in ordinary mass-production, and the racing sport. The thesis included a brief historical development of individual systems and their application in practice use.
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