Abstract
Recently porous materials are candidates as filters in order to filtrate or separate various materials under high temperature environment such as Diesel Particulate Filter (DPF) or membrane filter. Filtration or separation is achieved when mixed medium flows through porous materials. To increase the operating efficiency, the initial pressure drop across porous materials should be minimized. This study is phenomenologically approached about modeling of pressure drop for porous materials by using image analysis and fluid dynamics. By introducing new parameter called "Length of capillarity", pressure drop across porous materials and complex structure of porous materials are mutually correlated.
