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文中对采用进气道内电控多点顺序喷射燃料供给方式的增压CNG发动机进行了实验研究,对理论空燃比条件下与稀燃条件下的发动机动力性、热负荷及排放性进行了对比分析。此外,文中同时给出了节气门开度及点火提前角及负荷对CNG发动机性能影响的分析结果。
In this paper, an experiment was conducted on the CNG engine using a multi-point sequential injection fuel supply system in the intake port. The engine power, heat load and emissions under lean burn conditions were compared under the theoretical air-fuel ratio conditions . In addition, the paper also gives the throttle opening and ignition timing and load on the CNG engine performance analysis results.