柴油机微粒过滤器滤芯结构设计.pdfVIP

36 5 Vo.l 36 N o. 5 2007 10 SMALL INTERNAL COM BUST ION ENG INE AND MOTORCYCLE Oct. 2007 柴油机微粒过滤器滤芯结构设计 ( 255049) : 本文设计了两种内部有曲折气流通道的柴油机排气微粒过滤器滤芯结构, 并进 了柴油机台 架实验结果表明: 改进过滤器滤芯的几何结构可以大大降低过滤器的排气背压, 减小过滤器对发动机 输出功率的影响, 改善微粒在滤芯内部分布的均匀性, 提高滤芯的有效过滤体积 : : TB32 : A : 1671- 0630( 2007) - 05- 0058- 03 Design of Filter E lem ent Structure for Particulates Filtration from D iesel Exhaust Du Qingyang School ofM aterials Scie ce a d E gi eeri g, Sha do g U iversity of Tech ology ( Z ibo 255049) Abstract: Tw o types of filter eleme t structure w ith devious gas cha els for particu lates filtratio from diesel exhaust w ere desig ed. The expermi e t for filtratio efficie cy a d exhaust backpressure of filterw as co duc ted. The expermi e tal resu lts show that mi provi g the filter geometry structure could reduce exhaust backpres sure sig ifica tly, decrease the i flue ce of filter o the output pow er of diesel e gi e, mi prove the distribu tio of particles i the filter eleme t, a d i crease the effective filtratio volume of the filter. K eywords: D iese,l Filter, Eleme t, Geom etry structure, Exhaust backpressure, F iltratio efficie cy 1 [ 1, 2] , 1. 1 , , , , , 1, , ; , 80%, 11/cm 1. 2 , , , , , , , : ( 1972- ), , , , 5 : 1 3 B 8140. 45, 3. 0L, 1100~ 3600r