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Wyszukujesz frazę "Sidorowicz, M." wg kryterium: Autor

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Inflammability evaluation of hydrocarbon fuels mixtures formed directly in the combustion chamber
    Autorzy:
    Sidorowicz, M.
    Pielecha, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/132966.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    fuel injection
    mixing fuels
    hydrocarbon fuels
    combustion chamber
    wtrysk paliwa
    paliwa mieszane
    paliwo węglowodorowe
    komora spalania
    Opis:
    The proposed article involves an investigation of the processes taking place during the preparation of mixed fuels that are combined directly before combustion. The fuel dose formed in this way must take into account the qualitative and quantitative composition of the fuels and the amount of air in the process. Given that liquid fuels similar to gasoline (e.g. methanol, ethanol, butanol) are characterized by different properties, their comparison would be useful in order to use their ratio to influence the combustion process. The process of fuel preparation plays a decisive role in this issue. The article describes abilities of modelling the injection of various fuels simultaneously to the combustion chamber for creating fuel mixture directly before ignition. First part of the article consists of analysis of light hydrocarbon fuels mixing abilities, supported with present research data. Next part describes the evaluation of execution of the assumed system – two fuel injectors with analysis of spray penetration. The modelling of the injection and spray was performed in the AVL FIRE 2014.2 environment and the results were presented. The injection possibility was proven by injecting the fuel to the combustion chamber model. Local values of air-fuel ratio, density and ambient pressure were presented to better understand the potential in mixing fuels directly before ignition. The conclusion includes description of fuel mixing abilities, influence of various fuels on creation of a stratified mixture and definition of controllability of charge ignition.
    Źródło:
    Combustion Engines; 2017, 56, 3; 57-65
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of injector placement on the dose preparation conditions in a gasoline direct injection system
    Autorzy:
    Sidorowicz, M.
    Pielecha, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/133644.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    gasoline direct injection
    fuel spraying
    simulation software
    bezpośredni wtrysk benzyny
    rozpylanie paliwa
    programy symulacyjne
    Opis:
    Direct fuel injection requires appropriate conditions for proper ignition of the formed mixture. The proper combustion process is shaped by the direct fuel injection, whose parameters vary. Preparation of the dose requires proper injector placement in the combustion chamber. This article focuses on the issue of the injector specific spatial and angular position in order to implement the injection and atomization of the fuel. The injector's pseudo-optimal location has been presented along with several changed positions. The research was conducted as a simulation experiment using AVL FIRE 2017 software. The best position of the injector was selected based on the fuel spraying and injection process indicators. It has been shown that the spatial position has the most impact and the injector placement angle is of secondary importance.
    Źródło:
    Combustion Engines; 2018, 57, 1; 35-43
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The injector location impact on the fuel combustion process in a direct gasoline injection system
    Autorzy:
    Sidorowicz, M.
    Pielecha, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/133422.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    gasoline direct injection
    fuel combustion
    exhaust emission
    simulation software
    bezpośredni wtrysk benzyny
    spalanie paliwa
    emisja spalin
    programy symulacyjne
    Opis:
    The article contains an analysis of the fuel dose combustion phenomena and exhaust emissions in a direct injection system of an SI engine for variable injector location in the combustion chamber. The research performed is a continuation of the research presented in the article CE-2018-104. The tests were performed using the AVL Fire 2017 simulation environment. 27 injector placement combinations in three planes were analyzed: axial distance from the cylinder axis, injector depth relative to the head and angular position relative to the cylinder axis. An optimal solution was chosen, taking into account the significance of individual indicators. It was shown that the greatest impact in terms of the most advantageous combustion process indicators is the injector setting depth in the combustion chamber cavity, while the distance from the cylinder axis is of secondary importance. The smallest changes in the combustion and emission factors values are seen with the change of the injector placement angle (in the value range used in this study).
    Źródło:
    Combustion Engines; 2018, 57, 2; 19-29
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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