中文摘要：

随着计算机硬件的发展，基于颗粒尺度模拟微细颗粒在驻极体空气过滤器中的团聚和沉积变成可能。回顾了驻极体空气过滤器内气-固两相流动数值模拟技术的发展过程，概述了研究成果，指出了亟待解决的问题。

英文摘要：

With the development of computer hardware, it is possible to simulate the agglomerate and deposition of micro-particle in electret air filter from a micro-scale viewpoint. Reviews the numerical simulation technology of gas-solid flow in the electret air filter, summarizes the research results, and points out the problems ought to be solved.