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Unconventional Supercharging
Horák, Tomáš ; Píštěk, Václav (referee) ; Dundálek, Radim (advisor)
This Bachelor thesis summarizes the various unconventional ways of improving the performance of combustion engines. This thesis descripts historical, currently used and prototype metods used for this purpose, including the principle of their function. Great emphasis is placed mainly on forced induction engines, since this area is experiencing very rapid development.
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Vehicles with CNG drive units
Otipka, Václav ; Svída, David (referee) ; Píštěk, Václav (advisor)
The bachelor’s thesis is devoted to vehicles with CNG drive units. The introductory part focuses on the analysis of fuels that are used for propulsion of piston combustion engines. Not only the very expanded fuels but also unique fuels are analysed. The main part of the thesis describes the construction of mass-produced vehicles powered by natural gas. There are analysed the individual function elements of the vehicle which are different from common vehicles on conventional fuels. Part of the thesis is about CNG vehicle operation including ecological and safety impacts. The whole thesis concludes the current offer of cars on the domestic market.
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The beginnings and development of electric vehicles
Doležel, Radek ; Kučera, Pavel (referee) ; Píštěk, Václav (advisor)
This thesis is focused on creating a research study on the creation and development of electric vehicles. The first part describes the electric car and its advantages and disadvantages. Following is a description of the first ever electric vehicle and its main developmental stages. This section will also documented the use of technical solutions stages. The conclusion is based on data collected and described their own estimates of the future development of electric vehicles.
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Electric drives in commercial vehicles and buses
Bahenský, Štěpán ; Kaplan, Zdeněk (referee) ; Píštěk, Václav (advisor)
This bachelor thesis focuses on electric and hybrid powertrains, which are used in utility vehicles and buses. According to this bachelor thesis is divided into two main parts. The first part deals with pure electric drives and its basic components. The subchapters describe various types of engines that are commonly used, but also the features and technologies of batteries. The second part deals with hybrid technologies, division according to the arrangement of components in vehicles, advantages and disadvantages of these solutions. Attention is also paid to the possibilities of battery systems. At the end of both parts, there are examples of commercial vehicles and buses with appropriate motorization, their comparison with competing models and a list of chosen technical parameters. The final chapter summarizes the current direction of the market and its further possible development in the future.
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Powertrain design of a ten-cylinder aircraft engine
Kopřiva, Martin ; Novotný, Pavel (referee) ; Píštěk, Václav (advisor)
Configuration of the powertrain of a flat-engine with ordered basic parameters is the theme of this final thesis which name is Powertrain design of ten-cylinder aircraft engine. This thesis is occupied with configuration design of the crank mechanism and firing order, balancing of centrifugal and reciprocating forces thein moments, conceptual design crankshaft and its stress calculation of torsional vibrations.
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Cranktrain of three-cylinder in-line disel engine
Kovář, Pavel ; Ramík, Pavel (referee) ; Píštěk, Václav (advisor)
This master’s thesis describes design and comparison of three variants of the crankshaft in-line diesel engine for commercial vehicles. The work focuses on working with programs for 3D modelling and analysis proposed models, to be able to work under difficult conditions. Part of this work is a computational modal and strength analysis.
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Chassis of racing motorcycles
Kudr, Jan ; Ramík, Pavel (referee) ; Píštěk, Václav (advisor)
Those theses describe complex of motorbike chassis and components from racing sector. Here is explained geometry of motorbike chassis and impact to riding properties. Geometry of motorbike chassis and driving style are closely linked with adjusting of damping and springing. In the end, depending on chassis adjustment tires can show us how good or how bad is adjusted the chassis.
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Powertrains of BMW cars
Guláš, Tomáš ; Ramík, Pavel (referee) ; Píštěk, Václav (advisor)
Bachelor's thesis deals with the powertrains of the Munich carmaker BMW. It evaluates their historical development, focuses on the interesting innovative solutions in this domain, describes the current status and the success of BMW in the world market, points to a wide perspective and vision for the future car.
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