EFFICIENCY OF FIBROUS FILTERS WITH RECTANGULAR FIBERS

被引：34

作者：

FARDI, B ^{[1
]}

LIU, BYH ^{[1
]}

机构：

[1] UNIV MINNESOTA,DEPT MECH ENGN,PARTICLE TECHNOL LAB,MINNEAPOLIS,MN 55455

来源：

AEROSOL SCIENCE AND TECHNOLOGY | 1992年 / 17卷 / 01期

关键词：

Filters;

D O I：

10.1080/02786829208959559

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A theoretical study of filtration characteristics of rectangular electret fibers arranged in a staggered array perpendicular to the flow direction was conducted assuming the Brownian diffusion and interception as the dominant particle capture mechanisms. The single-electret fiber efficiency due to pure diffusion was found to be proportional to -2/3, 0.278, and 1/2 powers of the Peclet number (based on the fiber hydraulic diameter), filter solid-volume fraction, and fiber aspect ratio, respectively. For pure interception, the single fiber efficiency was determined to be proportional to 1.55 and 0.54 powers of the interception parameter and filter solid-volume fraction, respectively.

引用

页码：45 / 58

页数：14