%0 Conference Proceedings %T 3D modelling of gas permeation through composite PVA/TiO2 and PVA/MMT thin films %A هاویو وو %A ZAMANIAN, MARYAM %A بوگوسلاو کروسزک %A جولز تیبالت %A Sadrnia, Hassan %A Khojastehpour, Mehdi %J 6th International Conference of Fluid Flow, Heat and Mass Transfer %D 2019