
A porous medium (or a porous material) is a material containing pores (voids). The skeletal portion of the material is often called the “matrix” or “solid.” The pores are typically filled with a fluid (liquid or gas). 
- معلم: LAGHOUITER Oum kelthoum
 

A porous medium (or a porous material) is a material containing pores (voids). The skeletal portion of the material is often called the “matrix” or “solid.” The pores are typically filled with a fluid (liquid or gas).