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Optical diagnostics for soot and temperature measurement in diesel engines

机译:柴油发动机烟尘和温度测量的光学诊断

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摘要

This paper reviews the optical techniques for in-cylinder combustion temperature measurement, particularly soot measurements in diesel engines. The review starts with the to-colour method for in-cylinder soot and combustion temperature measurement. The principle and implementation of the two-colour technique are described in detail. Both signal point and full-field temperature and soot measurements by the two-colour method are considered. In the second part, the soot diagnostics based on light scattering, especially the light extinction method for in-cylinder soot concentration measurements, are discussed.
机译:本文概述了用于缸内燃烧温度测量的光学技术,尤其是柴油发动机中烟尘的测量。审查从缸内烟灰和燃烧温度测量的着色方法开始。详细介绍了两种颜色技术的原理和实现。信号点和全场温度以及通过双色方法测量的烟灰都应考虑在内。在第二部分中,讨论了基于光散射的烟尘诊断,尤其是用于缸内烟灰浓度测量的消光方法。

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