中国塑料Issue(10)：84-90,7.
表面张力对微挤出流场的影响
Effects of Surface Tension on Micro-extrusion Flow
摘要
Abstract
A numerical method to simulate surface tension in the micro circle extrusion flow has been developed based on software Pollow. It showed that the surface tension becomes a more important role as the dimension of the extrusion die becomes smaller. As the surface tension coefficient increased, the extrudate swelling ratio, the melt-pressure at the exit and entrances of the die, and the negative pressure of free surface at exit all increased. As the contact angle increased, the negative pressure of free surface at exit increased first and then reduced, with the first two parameters decreased.关键词
表面张力/微挤出成型/接触角/挤出胀大Key words
surface tension micro extrusion contact angle extrusion swelling分类
化学化工引用本文复制引用
傅志红,陈玉辉,肖雄辉..表面张力对微挤出流场的影响[J].中国塑料,2012,(10):84-90,7.基金项目
长沙市科技计划项目 （）
