أرسل هذا في رسالة قصيرة: A study on the permeability of fluid flow through open cell structures with similar porosity value but different porous hole sizes distribution

  ____      _____     _  __   __   __   _    _   
 |  _ \\   |  ___||  | |/ //  \ \\/ // | |  | || 
 | |_| ||  | ||__    | ' //    \ ` //  | |/\| || 
 | .  //   | ||__    | . \\     | ||   |  /\  || 
 |_|\_\\   |_____||  |_|\_\\    |_||   |_// \_|| 
 `-` --`   `-----`   `-` --`    `-`'   `-`   `-`