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Development and influence of the weight of cars and motorcycles
Valtrová, Martina ; Fojtášek, Jan (referee) ; Zháňal, Lubor (advisor)
This bachelor's thesis contains the description of the evolution of weight of automobiles and motorcycles. The first chapter contains a description of automobile dynamics and the influence of weight on dynamic properties of a vehicle. To describe the evolution of weight better, there are more detailed descriptions of weight evolutions of certain types of vehicles. The research of historical evolution and technology used today serves as the basis for the main outcome of this thesis, which is a prediction of the future development. This is the content of the last chapter.
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Actual trends in heat exchangers production
Wajda, Jakub ; Mauder, Tomáš (referee) ; Jaroš, Michal (advisor)
The bachelor thesis is focused on the content of heat exchangers in the automotive industry, the latest developments of trends and the potential direction of development of this branch of industry. The first part deals with the heat transfer and distribution of heat exchangers according to various criteria. The second section describes the types of cooling auto parts, together with the applicable types of heat exchangers. Follow developments in this area, including economic data about products and anticipated market developments.
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Time minimization for vehicles passing a given trajectory
Suja, Jerguš ; Kůdela, Jakub (referee) ; Porteš, Petr (advisor)
This bachelor’s thesis deals with model building of automobile movement and it’s optimal speed in every single point of trajectory, whit aim on minimal lap time. It uses a real data, which was measured on Masaryk circuit in Brno. Contents of thesis are analysing effecting forces on vehicle’s dynamic and then building mathematic model. The main purpose is finding optimal speed characterization and compare with real data. Then, we modify model with adjustable wing and present advantage of this customization. Simulation was done by program MATLAB.
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Hybrid vehicle propulsion
Tvrdý, Josef ; Kloss, Ondřej (referee) ; Kaplan, Zdeněk (advisor)
This bachelor thesis deals with an overview of all possible hybrid vehicle propulsion systems and their practical usage. It is focused on the main advantages and disadvantages of hybrid propulsion and deals with an impact of those cars on environment, especially on greenhouse gases production. This thesis also shows look at hybrids from financial aspect.
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Design of the car headlight
Struhár, Slavomír ; Křenek, Ladislav (referee) ; Škaroupka, David (advisor)
The topic of this bachelor's thesis is design of headlamp for a further unspecified automobile. The first part of the thesis is formed by Overview of current knowledge dedicated to the history, the present and the near future of headlamps of series-production cars. The following sections describe the objectives of the thesis, the process of the design itself and present the final design of the headlamp. The final part evaluates the results of the work with respect to the stated objectives.
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Car Fault Diagnostics
Potocký, Matej ; Klusáček, Stanislav (referee) ; Šedivá, Soňa (advisor)
This diploma work is targeting fault diagnostics of electronic systems and engines used in automobiles. Results and methods used to diagnose faults are analyzed within the work, using standard diagnostic methods and devices, results of which were captured measuring with multi-channel oscilloscope. Furthermore, suggestions of using methods optimized for cost and time difficulty factors are made.
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An overview of types of the sound generated when driving a passenger car
Činčár, Vojtěch ; Novotný, Pavel (referee) ; Vacula, Jiří (advisor)
Noise pollution is serious problem, which is particularly affecting our lives. The dominant source of this pollution is road traffic noise, which includes the noise of aerodynamic and mechanical origin. In this bachelor´s thesis, in addition to the main noise sources of both origins while driving a car, a brief overview of acoustic quantities is also presented. The main part of the bachelor´s thesis is dedicated to aerodynamic noise and individual types of mechanical noise, such as the noise of car powertrain. In the end, the overall characteristics of the noise generated by a passenger car while driving are given.
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