Žilinská univerzita v Žiline

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Author: search.filters.author.Čerňan, JozefSubject: search.filters.subject.Two-stroke engine

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    Návrh a realizácia trojvalcového spaľovacieho motora v usporiadaní do hviezdy
    (University of Žilina, 2024) Lubják, Peter; Čerňan, Jozef
    This article looks at different combustion engine topologies and concentrates on designing and building a two-stroke radial engine prototype for use in aircraft. With an emphasis on these engines' application in the aviation sector, the goal is to offer a thorough understanding of the mechanical factors that influence these engines' efficiency and performance. The articles theoretical section discusses the fundamental ideas behind combustion engines and the benefits and drawbacks of various designs. It also emphasizes the Trabant automobile engine, which has been utilized in aircraft; the prototype motor was built using parts from this engine. The design of the building, the use of contemporary simulation tools for design optimization, and the prototype's production processes are all covered in the practical section. The best way to manufacture anything with a CNC milling machine that is readily available is also covered.
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    Design and implementation of the aerobatic fuel system of the M60 engine
    (University of Žilina, 2022) Horák, Tomáš; Čerňan, Jozef
    The paper deals with the specific modification of the M60 two-stroke engine so that the engine can be used in aerobatic conditions. In the introduction of the paper, the basic theory concerning piston two-stroke engines, the principle of operation of this engine, and the analysis of individual fuel systems is first discussed, with a focus on fuel injection systems and their components. Furthermore, the preparation of the fuel mixture is characterized together with the factors affecting it and also the basic characteristics of the engine control unit. In this way, the reader will gain the knowledge necessary for a better understanding of the following chapters. The motivation is to find a way to modify the non-aerobatic engine for the needs of aerobatic flight, and this modification includes a number of important advantages over the original fuel system design mentioned in the paper. At the core of the paper, we discuss the design of the fuel system, including important modifications, and also the practical implementation of this fuel system on the engine mentioned above. At the end of the paper, we evaluate the results of the work achieved by changing and modifying the fuel system on the M60 engine, including the achievement of the set objectives.
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    Innovation options for selected systems of M60 engine: exhaust system and engine cooling
    (University of Zilina, 2022) Lapínová, Branislava; Čerňan, Jozef
    Our article deals with the design and construction of a resonant exhaust system and cooling system for the M60 engine. In introductory part, the article provides the reader with a final overview of two-stroke. In the next chapter, the focus is only on the resonant exhaust system. The article of the reader informs about the basic principles of resonant exhaust systems and points out their fundamental effect on power, torque and fuel consumption. Subsequently, the article gets to the calculation of the resonant exhaust system and its execution. The final chapter deals with the cooling system and solves the design optimization of the shape of deflectors. Both in the previous chapter and in this chapter, it first deals with theoretical knowledge, design and subseguent production of deflectors.