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Large-Eddy Simulation of the Particle-Laden Turbulent Flow in a Cyclone Separator

In: High Performance Computing in Science and Engineering ‘13

Author

Listed:
  • Michael Alletto

    (Helmut-Schmidt-Universität Hamburg)

  • Michael Breuer

    (Helmut-Schmidt-Universität Hamburg)

Abstract

A gas cyclone separator represents a classic field of application where turbulent particle-laden flows play a major role. In order to evaluate the performance of a recently developed Euler–Lagrange simulation tool based on the large-eddy simulation (LES) technique and the point-particle approach, this practically relevant flow problem is considered in the present study. As a first step towards a full simulation taking all interactions between the two phases (fluid–particle, particle–fluid and particle–particle) into account, a one-way coupled prediction is carried out. Nevertheless, the entire simulation methodology is described in detail including a sandgrain roughness model and a deterministic collision model. For the latter a performance analysis was carried out demonstrating that even for a high mass loading the computational effort for the collision detection remains below 10 % of the entire CPU-time. The predicted LES results for the cyclone flow are compared with corresponding measurements and a reasonable agreement is found.

Suggested Citation

  • Michael Alletto & Michael Breuer, 2013. "Large-Eddy Simulation of the Particle-Laden Turbulent Flow in a Cyclone Separator," Springer Books, in: Wolfgang E. Nagel & Dietmar H. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering ‘13, edition 127, pages 377-391, Springer.
    • Handle: RePEc:spr:sprchp:978-3-319-02165-2_26
    DOI: 10.1007/978-3-319-02165-2_26
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