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Optimization of EGR system and water injection for gasoline engine
Kertész, Tibor ; Svída, David (referee) ; Bazala, Jiří (advisor)
Naturally aspirated petrol engine, pressure losses, EGR, low-pressure EGR, water injection, power increasing, BSFC, GT-Power, thermodynamic model, engine knock
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The issue of evaluating the production of pollutants in the exhaust gases of passenger cars
Jančář, Radek ; Bazala, Jiří (referee) ; Beran, Martin (advisor)
This thesis analyses evaluation of homologation measurment of pollutant production of passenger car in the European union. The measurement methodologies used are described chronologically, including the standarts that describe them. Along with the improvements and disadvantages that the new requirements have brought, it also deals with the impact on new cars and the trends that have affected emisson requirements in the field of car development. The main part of the work deals with the measurement of real driving emissions RDE and describes the issue of this breakthrough methodology.
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Intercooler for the CDS SEMI-PRO combustion engine
Novozámský, Richard ; Bazala, Jiří (referee) ; Svída, David (advisor)
This diplom thesis describes design of new pressured air cooling system for trubocharged Diesel engine used in CDS Semi-Pro competitions. First part is focused on analysis external conditions influencing the desing. Second part pays attention to simulations of performance. Third part describes design of two systems and possible testitng method. In last part, the real parametrs are put into the computing model followed by verification of the results and evaulation of the designed systems.
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Catalytic converter and particulate filter functions on diesel vehicles
Šišpera, Adam ; Beran, Martin (referee) ; Bazala, Jiří (advisor)
Tato bakalářská práce se zabývá představením dieselových emisně-redukčních systémů široké veřejnosti, odkrývá základní principy funkce dieselova motoru, mechanismy vzniku emisí a následně se věnuje jejich regulaci za pomocí katalytické redukce a filtru pevných částic. Odhaluje, proč je provozní teplota pro funkčnost těchto systémů klíčová a prezentuje možnosti, jak ji regulovat. V závěru pojednává o možnostech snížení uhlíkové stopy a vyhovění nadcházející emisní normě EURO VII.
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Supercharged SI engine
Janíček, Michal ; Bazala, Jiří (referee) ; Beran, Martin (advisor)
The diploma thesis deals with the selection of an eligible supercharger for cooperation with the internal combustion SI engine Honda K20A2. The first part is dedicated to the research referring to an issue of charging and a brief description of particular supercharger types. However, the main part of the thesis consists in the formation of proposal calculation and the tentative choice of the eligible type of supercharger. The part of the work is also the description of the assigned engine and the measurement of its parameters. The most extensive part of the thesis deals with the making of computational model of the atmospheric and supercharged version of the engine and the consecutive simulations in the GT-Power software. Finally, gained results are evaluated and the computational study of the cooperation of the selected supercharger with assigned combustion engine is made in the last part of the diploma thesis.
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