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柴油机在应用中,最大的问题是其微粒物和NOx的排放较多,寻找一种可行的技术来实现同时降低其微粒物和NOx已经成为目前柴油机排放研究中急需解决的问题。等离子体技术以其对NOx突出的净化效果成为目前国内外各研究机构的研究重点。本文在通过对等离子体理论及其反应机理进行分析的基础上,采用湿式针板电晕放电反应器结合旋转火花隙开关式高压脉冲电源的试验方案,来探讨非平衡等离子体改善柴油机排放的规律。
Diesel engine in the application, the biggest problem is its particulate matter and NOx emissions more, to find a viable technology to achieve at the same time reduce its particulate matter and NOx has become the current study of diesel engine emissions urgently needed to solve the problem. Plasma technology with its outstanding purification of NOx has become the focus of research institutions at home and abroad. Based on the analysis of plasma theory and reaction mechanism, a wet needle plate corona discharge reactor combined with a rotary spark gap switch-type high-voltage pulse power supply is used to explore the law of non-equilibrium plasma to improve diesel engine emissions .