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Wyszukujesz frazę "fuel direct injection" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
The influence of spray guided charge on possibility of stratified mixture formation in SI gasoline direct injection engine
Autorzy:
Sendyka, B.
Kudzia, S.
Powiązania:
https://bibliotekanauki.pl/articles/242770.pdf
Data publikacji:
2007
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
SI engine
gasoline direct injection
spray guided
mixture stratification
fuel stream
Opis:
In this paper there has been described the structure of ZI gasoline direct injection engines in which there has been applied spray guided. There has been shown the burning chambers structure of the engines of that type. There has been also presented the modification range of ZI engines equipped with system of gasoline multipoint indirect injection in order to get the gasoline direct injection engine with spray guided. The authors have described the block diagram of fuel supply system of this type of an engine which is being developed in Cracow University of Technology's Combustion Engine Department. Certain information about mechanical modification of engine is given. They have proposed model of fuel air mixture stratification in a combustion chamber of spray guided engine, in which base homogeneous mixture come into being out of the this chamber. In this paper there has been also designated an influence of an angle of crank shaft on initial velocity of fuel stream and on flow intensity of fuel stream that flows through the injector. There also has been presented an influence of air fuel coefficient of homogeneous base mixture on the angle on a crank shaft of ignition charge.
Źródło:
Journal of KONES; 2007, 14, 4; 393-402
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
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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