张锡朝,杨滨

山东大学能源与动力工程学院

    摘要：本文分析了汽油机冷起动过程HC排放较高的原因 :失火、燃烧不完全、过渡过程中空燃比不合适、气缸壁面对燃油的吸附、润滑油吸附、后燃。通过采取缸内净化和提高催化转化效率两个方面的措施降低冷起动过程HC的排放

    关键词： 冷起动;;HC排放;;措施

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