%0 Journal Article %T Study of Dynamic Flow and Mixing Performances of Tri-Screw Extruders with Finite Element Method %A X. Z. Zhu %A G. Wang %A Y. D. He %A Z. F. Cheng %J Advances in Mechanical Engineering %D 2013 %I SAGE Publications %R 10.1155/2013/236389 %U http://dx.doi.org/10.1155/2013/236389