Multi-Criteria Assessment of Injector Placement and theThermodynamic Effects of Fuel Injection and Combustion in an Engine Equipped with Direct Gasoline Injection System

• Autorzy: Pielecha Ireneusz , Sidorowicz Maciej
• Języki publikacji: EN

Abstrakty

EN

The paper concerns the analysis of the combustion and exhaust emission phenomena in an SI (spark ignition) engine equipped with direct gasoline injection system for various injector placement parameters in the combustion chamber. Achieving a good combustion process is shaped by the direct fuel injection process, of which parameters vary. This article focuses on the aspect of injector spatial and angular position in order to perform injection and achieve fuel combustion. The injector’s pseudo-optimal location has been presented along with several changed positions (27 configurations). The research was conducted asa simulation experiment using AVL FIRE software. The best injector position was selected based on the fuel atomization, injection and combustion process indicators. The pseudo-optimal location, was characterized by: 1) the largest inset in the combustion chambery = 7 mm, 2) the shortest distance from the spark plug: z = 9 mm, 3) the highest angle in relation tothe axis of the cylinder: alpha = 20 deg. The analysis of this impact results in the following conclusions: 1) the longitudinal change of the injector position is the most important value affecting changes in the fuel atomization and combustion indicators, 2) this change is about 3 times more significant than the change in the position of the injector’s distance from the axis of the spark plug and about 8 times more significant than the angle of the injector’s position.

Słowa kluczowe

EN

gasoline direct injection; fuel combustion; simulation of combustion

PL

bezpośredni wtrysk benzyny; spalanie paliwa; symulacja spalania

• Wydawca: Institute of Heat Engineering, Warsaw University of Technology
• Czasopismo: Journal of Power Technologies
• Rocznik: 2020
• Tom: Vol. 100, nr 3
• Strony: 223--231
• Opis fizyczny: Bibliogr. 27 poz., rys., tab., wykr.

Twórcy

autor

Pielecha Ireneusz

• Poznan University of Technolog

autor

Sidorowicz Maciej

• Poznan University of Technology

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).