3D Extrusion Simulation of the Single Screw Head and Optimization Design

摘要：

　　In the chemical industry,various screw extruders are widely used for melting,dispersing and homogenizing polymers.Compared with twin-screw extruders and tri-screw extruders,the single-screw extruder are of more prevalent use with its more durable structure,easier to be constantly maintained,lower prices and simpler operation.In particular,it is worth noting that the single screw head has a significant impact on extrusion characteristics.The problem of extrusion of polymers involves aspects of fluid dynamics and rheology,leading to the difficulty to calculate the velocity field and pressure field theoretically.In this paper,the numerical simulation method is adopted to account for 3D non-Newtonian polymer extrusion process of single screw head.Then,the screw head is optimized,thus leveling down the velocity nonuniformity at outlet in order to meet design requirements.

关键词： Numerical simulation Single screw head Velocity and pressure field Optimization design

作者: W.-W.LIU J.-J.XU Y.CHEN Z.-T.WANG

作者单位: School of Mechatronic Engineering and Automation, Shanghai University, Shanghai, China200072

会议类型: 国际会议

会议名称: Sixth International Conference on Nonlinear Mechanics(第六届国际非线性力学会议)(ICNM-VI)

会议地点: 上海

会议语种:英文

页码: 145-149

在线出版日期: 2013-08-01（万方平台首次上网日期，不代表论文的发表时间）