Numerical analysis of influence of prechamber geometry in IC engine with two-stage combustion system on engine work cycle parameters

• Autorzy: Jamrozik A. , Kociszewski A. , Sosnowski A. , Tutak W.
• Języki publikacji: EN

Abstrakty

EN

Numerical analysis results of influence of prechamber geometry in two stage combustion system SI engine on chosen engine work cycle parameters such as temperature and pressure are presented in the paper. Within the confines of calculations performed in KIVA-3V software, the modelling of processes occurring in combustion chambers of engine with prechamber powered by gasoline for four diameters of the duct connecting the prechamber with cylinder (3mm, 4 mm, 6 mm and 9 mm) were conducted. The research were performed for four values of excess air number equal: 1.4, 1.6, 1.8, 2.0. The modelling results showed that the most favourable case is the configuration with the connecting duct of diameter equal 6 mm. The maximal values of pressure and temperature were obtained during combustion in this engine. The maximal values of pressure and temperature influence the value of maximal indicated pressure and determine the engine performance. Performed simulations of two-stage combustion process delivered information concerning spatial and time-dependent pressure and temperature distribution in combustion chamber of modelled engine.

Słowa kluczowe

EN

engine with two-stage combustion system; prechamber; excess air number

• Wydawca: Łukasiewicz Research Network - Institute of Aviation ; European Science Society of Powertrain and Transport KONES Poland ; Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
• Czasopismo: Journal of KONES
• Rocznik: 2006
• Tom: Vol. 13, No. 2
• Strony: 133--142
• Opis fizyczny: Bibliogr. 9 poz., rys.

Twórcy

autor

Jamrozik A.

autor

Kociszewski A.

autor

Sosnowski A.

autor

Tutak W.

• Czestochowa University of Technology Institute of Internal Combustion Engines and Control Engineering Al. Armii Krajowej 21, 42-200 Czestochowa tel.: [phone], tel./fax:[phone],

Bibliografia

• [1] Amsden A.A., KIVA-3, A KIVA Program with Block-Structured Mesh for Complex Geometries, Los Alamos National Laboratory, LA-12503-MS, 1993.
• [2] Cupiał K., Jamrozik A., Modelowanie jedno- i dwustopniowego systemu spalania w badawczym silniku ZI, Teka Komisji Naukowo–Problemowej Motoryzacji, Kraków 2003.
• [3] Cupiał K., Jamrozik A., SI engine with the sectional combustion chamber. Journal of Kones, Internal Combustion Engines, Warszawa-Gdańsk 2002.
• [4] Gatowski J.A., Balles E.N., Chun M., Nelson F.E., Ekchian J.A., Heywood J.B., Heat release analysis of engine pressure data, SAE Paper 841359, 1984.
• [5] Heywood J.B., Internal combustion engine fundamentals, McGraw – Hill Book Company, 1988.
• [6] Jamrozik A., Tworzenie i spalanie heterogenicznych mieszanek palnych w silnikach ZI, Praca doktorska, Politechnika Częstochowska 2004.
• [7] Kowalewicz A., Systemy spalania szybkoobrotowych tłokowych silników spalinowych, WKŁ, Warszawa 1980.
• [8] Rychter T., Teodorczyk A., Modelowanie matematyczne roboczego cyklu silnika tłokowego, PWN, Warszawa 1990.
• [9] Tutak W., Modelowanie procesu zawirowania świeżego ładunku w komorze spalania silnika tłokowego, Praca doktorska, Politechnika Częstochowska 2002.