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Numerical simulation of the flow field in the mixing section of a screw extruder by the lattice Boltzmann model |
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| Authors: | J.M. Buick J.A. Cosgrove |
| Affiliation: | a Physics and Electronics, School of Biological, Biomedical and Molecular Sciences, University of New England, NSW 2351, Australia b School of Physics, The University of Edinburgh, EH9 3JZ, Scotland, UK |
| Abstract: | 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. |
| Keywords: | Numerical simulation Lattice Boltzmann model Screw extruder Fluid mixing Flow field Velocity profile |
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