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Application of optical diagnostics to the quantification of soot in n-alkane flames under diesel conditions

机译:光学诊断技术在柴油条件下对正构烷烃火焰中烟尘定量的应用

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摘要

In the present paper, three different soot-measuring techniques, namely laser extinction method (LEM), 2-color pyrometry (2C) and laser-induced incandescence (LII) have been simultaneously employed to characterize soot distribution inside a diesel flame. Two single-component fuels (n-Decane and n-Hexadecane) and two derived blends (50%Dec/50%Hex and 30%Dec/70%Hex) have been used. Tests have been performed at an optical diesel engine, under different in-cylinder conditions. The study has been complemented with the measurement of ignition delay and Lift-off length.
机译:在本文中,三种不同的烟尘测量技术,即激光消光法(LEM),2色高温法(2C)和激光诱导白炽灯(LII)已被同时用于表征柴油机火焰内部的烟尘分布。使用了两种单组分燃料(正癸烷和正十六烷)和两种衍生混合物(50%Dec / 50%Hex和30%Dec / 70%Hex)。在不同的缸内条件下,在光学柴油机上进行了测试。该研究已通过测量点火延迟和升力长度得到了补充。

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