The role of porosity in filtration VII effect of side-wall friction in compression-permeability cells

✍ Scribed by Frank M. Tiller; Stewart Haynes Jr.; Wei-Ming Lu

• Publisher: American Institute of Chemical Engineers
• Year: 1972
• Tongue: English
• Weight: 853 KB
• Volume: 18
• Category: Article
• ISSN: 0001-1541
• DOI: 10.1002/aic.690180104

✦ Synopsis

The effect of side-wall friction on the uniformity of packing of beds in compressionpermeability cells is examined. A large portion of pressure applied to the top of a compressible bad is absorbed in wall friction, resulting in a nonuniformly packed bed. A simplified analysis of wall friction and its effect on porosity and permeability is presented.

All experimenters involved in flow through porous media are urged to examine the effects of stress distribution on the structure and uniformity of the packing. In general, compressible beds of small particles will be strongly affected by the walls.