HYBRID LATTICE BOLTZMANN METHOD FOR THE SIMULATION OF BLENDING PROCESS IN STATIC MIXERS

Jonas Latt (), Dimitrios Kontaxakis, Laurent Chatagny, Felix Muggli and Bastien Chopard
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Jonas Latt: FlowKit Ltd, Lausanne, Switzerland;
Dimitrios Kontaxakis: FlowKit Ltd, Lausanne, Switzerland
Laurent Chatagny: Sulzer Pumps, Winterthur, Switzerland
Felix Muggli: Sulzer Pumps, Winterthur, Switzerland
Bastien Chopard: University of Geneva, Switzerland

International Journal of Modern Physics C (IJMPC), 2013, vol. 24, issue 12, 1-7

Abstract: A lattice Boltzmann method is proposed to simulate the blending of two fluids in static, laminar mixers. The method uses a mesh-based algorithm to solve for the fluid flow, and a meshless technique to trace the interface between the blended fluids. This hybrid approach is highly accurate, because the position of the interface can be traced beyond the resolution of the grid. The numerical diffusion is negligible in this model, and it is possible to reproduce mixing patterns that contain more than one hundred striations with high fidelity. The implementation of this method in the massively parallel libraryPalabosis presented, and simulation results are compared with experimental data to emphasize the accuracy of the results.

Keywords: Lattice Boltzmann method; static fluid mixer; SMX; particle-based method; 07.05.Tp; 47.85.–g (search for similar items in EconPapers)
Date: 2013
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DOI: 10.1142/S0129183113400093

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