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遥感法与ASM5025工况法对照检测尾气排放

Keywords: 尾气,遥感值,工况值,线性,应用

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Abstract:

在重庆市主城区募集100辆长安SC系列点燃式发动机在用汽车进行遥感法和ASM5025工况法尾气排放状况对照检测实验。结果表明,受发动机负荷与转速的共同影响,多数车辆NOx和HC遥测值比工况值小,而CO则相反。通过对工况值(y)与遥测值(x)的回归分析,得到CO的回归方程为y=0.93x+115.36,t检验显示方程具有线性(α=0.10)。经大量实验论证合理后,方程可作为制定点燃式发动机在用汽车遥感法CO地方标准排放限值的依据。

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