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柴油机微粒分形生长数值模拟及其影响因素分析 被引量:2

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摘要 根据柴油机碳烟颗粒生长过程中的成核、凝聚和枝接等生长特点,基于动态Monte Carlo方法建立了碳烟微粒分形生长过程的物理数学模型,对模型进行了数值求解,模拟了微粒凝聚和枝接的结构形态,并与实际碳烟微粒进行了形态上的对比.结果表明,枝接过程在形成链状排气微粒中起主要作用.对微粒生长过程中的温度和压力等环境因素进行了计算和分析,获得了碳烟微粒的分形维数与这些影响因素之间的关系.
出处 《自然科学进展》 北大核心 2008年第9期1027-1033,共7页
基金 国家自然科学基金(批准号:50376018 50676036) 湖北省教育厅重点项目(批准号:D200625002) 内燃机燃烧学国家重点实验室开放基金(批准号:2007-04)资助项目
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同被引文献31

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