Simulation of ECU in proteus for direct injection controlling flexible syngas-biogas-hydrogen blend in dual fuel engine

https://doi.org/10.31130/ud-jst.2025.23(9B).514E

Tóm tắt: 119 | PDF: 62

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Author

  • Nguyen Huu Hieu
    The University of Danang - University of Science and Technology, Vietnam
    Bui Van Hung
    The University of Danang - University of Technology and Education, Vietnam
    Ho Tran Ngoc Anh
    The University of Danang - University of Technology and Education, Vietnam
    Nguyen Minh Tien
    The University of Danang - University of Technology and Education, Vietnam

Từ khóa:

Dual fuel engine
Direct injection gaseous fuels
Syngas
Biogas
Hydrogen

Tóm tắt

Direct injection through a twining injector system enables an increase in output power of dual-fuel engines, improves speed control capacity, and allows the engine to use flexible gaseous fuel blends of syngas-biogas-hydrogen with large variation of compositions. When the injection pressure is reduced from 5 bar to 3 bar, the start injection angle is advanced by 20°CA and the gauge pressure in the cylinder drops by 0.1 bar. In syngas fueling mode, with an injection pressure of 3.5 bar, to achieve f=0.75 at a crankshaft position of 250°CA, the start injection angles are 80°CA, 50°CA, and 25°CA corresponding to engine speeds of 2000 rpm, 2400 rpm, and 2800 rpm, respectively. The gauge pressure in the cylinder increases by 100%, 97%, and 79%, respectively, compared to natural aspiration fueling mode.

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Sep 30, 2025
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Hieu, N. H., B. V. Hung, H. T. N. Anh, và N. M. Tien. “Simulation of ECU in Proteus for Direct Injection Controlling Flexible Syngas-Biogas-Hydrogen Blend in Dual Fuel Engine”. Tạp Chí Khoa học Và Công nghệ - Đại học Đà Nẵng, vol 23, số p.h 9B, Tháng Chín 2025, tr 114-21, doi:10.31130/ud-jst.2025.23(9B).514E.

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