Simulation and Experiment of the Motion Characters in Twin-Screw Extruder

Li Xue Zhu; Hong Yu Wei; Shao Ming Luo; Chun Fang Zhao

doi:10.4028/www.scientific.net/AMM.799-800.528

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 799-800Simulation and Experiment of the Motion Characters...

Simulation and Experiment of the Motion Characters in Twin-Screw Extruder

Abstract:

In the paper, a velocity and fluid flow status of the melting process in twin-screw extruder were analyzed. To explore the optimum producing parameters of expanding food, several models of the flow field and velocity of twin-screw extruder were created with fake plastic Newton fluid. Then the velocity distribution rules in the cavity space were simulated. With the valuable verification of experiments, the results showed that, the velocity distribution near the inner wall is uniform, and increases at the delivery of the extruder. The velocity rises in the teeth root than in the top of the screws. At the mesh field, the velocity was changed frequently. The experiment of popped extrusion verified the simulation conclusion.

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Periodical:

Applied Mechanics and Materials (Volumes 799-800)

Pages:

528-532

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.799-800.528

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Online since:

October 2015

Authors:

Li Xue Zhu*, Hong Yu Wei, Shao Ming Luo, Chun Fang Zhao

Keywords:

Flow Fluid, Rheological Characters, Twin-Screw Extruder, Velocity Simulation

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