Simulation of ECU for flexible fuel injection system in SI engine
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Từ khóa:
HRES
Biogas
Syngas
Hydrogen
Flexible gaseous fuel engine
Tóm tắt
A hybrid renewable energy system utilizes an SI engine fueled by a syngas–biogas–hydrogen mixture with a wide range of compositional variations. Due to the significantly different stoichiometric air/fuel (A/F) ratios of these fuels, conventional fuel supply systems cannot meet the engine's operational requirements. Simulation results indicate that a 4 mm injector is suitable for biogas/hydrogen but not for syngas, whereas a 9 mm injector is appropriate for syngas but unsuitable for the other fuels. To handle the large variations in composition, a twinning injector system, consisting of two injectors, has been proposed. When the syngas content is low, only one injector operates; as the syngas proportion increases, the second injector is activated. This paper presents the simulation results of the ECU-controlled twinning injector system, along with experimental validation on a Honda GX390 engine.
Tài liệu tham khảo
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Sep 30, 2025
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Cách trích dẫn
Ga, B. V., N. Q. Trung, L. M. Tien, và D. P. Nguu. “Simulation of ECU for Flexible Fuel Injection System in SI Engine”. Tạp Chí Khoa học Và Công nghệ - Đại học Đà Nẵng, vol 23, số p.h 9B, Tháng Chín 2025, tr 106-13, doi:10.31130/ud-jst.2025.23(9B).513E.
