Measurement of Diesel Exhaust Particles in a Dilution Tunnel by Photon Correlation Spectroscopy

N. Lhuissier, A. Nazih, M. Weill
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Abstract

The soot particles generated by a Diesel car exhaust have been sized by P.C.S.in a dilution tunnel for various loads. Due to the very heterogeneous composition of the particles population on-line measurements were not possible. So we have chosen to record a set of successive correlograms. The choice of the correlograms having to be regrouped before processing is based upon the total count number received during an experiment. They are displayed on a histogram or a Henry line. The necessary K 7027 software modifications are briefly described.
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用光子相关光谱法测量稀释隧道中柴油机排气颗粒
在不同负荷的稀释隧道中,用pc机对柴油车尾气产生的烟尘颗粒进行了测定。由于粒子群的组成非常不均匀,在线测量是不可能的。所以我们选择记录一组连续的相关图。在处理之前必须重新分组的相关图的选择是基于在实验期间收到的总计数数。它们显示在直方图或亨利线上。简要描述了必要的k7027软件修改。
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