2009•Gōsei jushiRequires access

Effects of Numerical Simultion in Static Mixer Structure on the Temperature Uniformity of PS Melt Containing CO_2

LI Qing-chun

Abstract

The flow of polystyrene (PS)/CO_2 homogeneous system in Kenics static mixers and SMX static mixers was respectively calculated by computational fluid dynamics ( CFD). Effects of the number of mixing element, sheet thickness of mixing element on the pressure loss of the melt through both kinds of static mixers were analyzed. Adopted the coefficient of variance to compare the temperature uniformity of the melt which flowed through SMX static mixer and Kenics static mixer. The results indicated that the melt of cooling efficiency through SMX static mixer was better than that of Kenics static, and the melt temperature uniformity through SMX static mixer was higher than that of Kenics static mixer.

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Key concepts: Static mixer, Materials science, Homogeneous, Mixing (physics), Composite material, Polystyrene, Static pressure, Computational fluid dynamics