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9步现象学碳烟模型经过改进之后被耦合到KIVA-3V程序中,对高压定容燃烧弹燃在不同初始氧浓度环境下的燃烧和排放特性进行了数值模拟.结果表明,改进的9步现象学碳烟模型能够准确地预测碳烟质量密度以及碳烟空间分布.随着EGR率的增加,乙炔和碳烟前驱物等与碳烟生成机理相关的物质浓度变化不大,但O2,OH等氧化剂大幅减少,碳烟氧化机理受到强烈抑制,碳烟排放逐渐增加.

参考文献

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