摘要: 基于分段韦伯函数燃烧放热率模型,通过耦合一维流体动力学软件GTPower与化学动力学软件Chemkin,建立了HCCI(Homogeneous Charge Compression Ignition)柴油发动机仿真试验平台,准确模拟了HCCI单缸试验样机的工作过程,研究了内外部EGR(Exhaust Gas Recirculation)对柴油HCCI燃烧控制的影响.仿真结果表明:内外部EGR对HCCI燃烧具有不同的控制作用,考虑内外部EGR的综合因素效应,可以实现燃烧相位的有效控制
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