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Air-driven reverse buoyancy

Author

Listed:
  • Reyes, L.I.
  • Sánchez, I.
  • Gutiérrez, G.

Abstract

Air-induced fluidization in vibrated granular beds can be responsible of the phenomenon of reverse buoyancy. We show that the air flow induced across the bed, as the gap in the bottom of the cell evolves, can fluidize the bed in a similar way as in gas-fluidized static beds and consequently a buoyancy force can arise. To quantify this mechanism we use Kroll's model.

Suggested Citation

  • Reyes, L.I. & Sánchez, I. & Gutiérrez, G., 2005. "Air-driven reverse buoyancy," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 358(2), pages 466-474.
    • Handle: RePEc:eee:phsmap:v:358:y:2005:i:2:p:466-474
    DOI: 10.1016/j.physa.2005.04.019
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    Cited by:

    1. Han, Hong & Jiang, Ze Hui & Zhang, Rui & Lyu, Jing, 2014. "The influence of air on period doubling motion in vertically vibrated grains beds," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 403(C), pages 265-275.

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