Numerical simulation of the flow field in the mixing section of a screw extruder by the lattice Boltzmann model

The single-screw extruder is commonly used in polymer processing where the performance of the mixing section is significant in determining the quality of the final product. It is therefore of great interest to simulate the flow field in a single-screw extruder. In this paper the simulation is perfor...

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Bibliographic Details
Published in:Chemical engineering science 2006-05, Vol.61 (10), p.3323-3326
Main Authors: Buick, J.M., Cosgrove, J.A.
Format: Article
Language:English
Subjects:
Applied sciences
Chemical engineering
Exact sciences and technology
Flow field
Fluid mixing
Hydrodynamics of contact apparatus
Lattice Boltzmann model
Numerical simulation
Screw extruder
Velocity profile
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Summary:The single-screw extruder is commonly used in polymer processing where the performance of the mixing section is significant in determining the quality of the final product. It is therefore of great interest to simulate the flow field in a single-screw extruder. In this paper the simulation is performed using the lattice Botlzmann model giving a fast and efficient numerical technique. The solution is compared to a finite difference and lattice gas simulation and found to give more accurate results.
ISSN:0009-2509
1873-4405
DOI:10.1016/j.ces.2005.11.070