2011•China PlasticsRequires access

Design of Highly Dispersive Mixing Elements for Twin-screw and Their Performances

Liang Wenhu

Abstract

A highly dispersive mixing twin-screw element was designed based on the meshing theory of intermeshing co-rotating twin-screw extruders.The flow fields for three screw configurations were simulated by Polyflow.Experimental study was carried out in an intermeshing co-rotating twin-screw extruder.It was found that the screw element with a staggering angle of 150 ° had a better dispersive mixing performance than those of 30 ° and 90 °.

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Key concepts: Mixing (physics), Materials science, Plastics extrusion, Mechanical engineering, Flow (mathematics), Finite element method, Mechanics, Composite material