Study of distribution of electromagnetic field in regeneration cavity of microwave regeneration system for DEPF (diesel emission particulate filter)

G.Y. Zhang, C.B. Li, C. Li
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Abstract

The radial field distribution of the regeneration cavity affects regeneration efficiency directly. In order to improve the radial field distribution in the cavity, a layer of dielectric material is filled between the wall and the ceramic filter. The electromagnetic field distribution of the filled cavity is analyzed in this paper, which theoretically proves the improvement of the field distribution in a filling regeneration cavity. The best filling thickness and permittivity of the filling material is also computed in the paper, which provides the theoretical foundation for an optimum design of the regeneration cavity.
柴油机排放颗粒物过滤器微波再生系统再生腔内电磁场分布研究
再生腔的径向场分布直接影响再生效率。为了改善腔内的径向场分布,在腔壁和陶瓷滤波器之间填充了一层介电材料。分析了充填再生腔内的电磁场分布,从理论上证明了充填再生腔内电磁场分布的改善。本文还计算了填充材料的最佳填充厚度和介电常数,为再生腔的优化设计提供了理论依据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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