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根据柴油机排气微粒过滤的试验结果，对泡沫陶瓷过滤体的过滤机理及特性进行了论述，对泡沫陶瓷过滤体的过滤效率和排气背压有较大影响的几种主要因素进行了分析，为柴油机排气微粒后处理系统的优化设计提供基础。
According to the experimental results of diesel particulate filter, the filtration mechanism and characteristics of ceramic foam filter were discussed. The main factors influencing the filtration efficiency and exhaust backpressure of foam ceramic filter were analyzed. It provides the foundation for the optimal design of diesel exhaust particle reprocessing system.