内燃机排气净化器流场均匀性的研究  

A Study of the Flow Field Uniformity Inside the Exhaust Cleaner of Internal Combustion Engine

作　　者：王兴海[1] 马震[1] 李玉珍[1] 宋波[2] 宁智[2] 

机构地区：[1]西北工业大学365研究所,西安710072 [2]北京交通大学机电工程学院,北京100044

出　　处：《西安理工大学学报》2008年第1期47-51,共5页Journal of Xi'an University of Technology

基　　金：国家自然科学基金资助项目(40475048);北京市自然科学基金资助项目(8042018)

摘　　要：内燃机排气净化器内的流场均匀性对净化器的使用性能及使用寿命具有非常重要的影响。文章利用CFD软件对内燃机排气净化器内的流场进行了计算;在此基础上,研究分析了净化器内流场分布均匀性的影响因素;通过研究,获得了排气流速和净化器结构参数对净化器内流场分布均匀性的影响规律。研究结果可以为内燃机排气净化器结构的合理设计提供依据。The flow field uniformity inside the exhaust cleaner of internal combustion engine has very important effect on the use performance and service life of the exhaust cleaner. The flow field inside the exhaust cleaner was calculated by using CFD software, and based on the calculation of the flow field, the effect of the exhaust velocity and the configuration parameters of the exhaust cleaner on the flow field uniformity were studied and analyzed. Accordingly,the researeh findings can provide some basis for the rational design and optimization of the exhaust cleaner configuration of internal combustion engine.

关 键 词：内燃机 排气净化器 流场 均匀性 

分 类 号：TK421.5[动力工程及工程热物理—动力机械及工程]