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Improving mixture of grains by using bi-dimensional Galton boards

Author

Listed:
  • Benito, J.G.
  • Ippolito, I.
  • Vidales, A.M.

Abstract

This paper presents an experimental and numerical study that deals with the problem of mixing grains falling down through a bi-dimensional Galton board (BGB). The special issue addressed here is the influence of the presence of lateral walls in the BGB. Disks of equal diameters but different species are launched from the top of the device. During the fall, disks collide with obstacles (arranged to form a triangular lattice) and with the lateral walls. The exit distribution of particles at the bottom of the board is determined and the incidence of the presence of walls in the mixing quality is studied as a function of W the relative separation between lateral walls. Two types of indexes are evaluated to characterize the efficiency in the obtained mixture. The presence of walls has proven to be crucial to enhance the quality of the mixture of particles.

Suggested Citation

  • Benito, J.G. & Ippolito, I. & Vidales, A.M., 2008. "Improving mixture of grains by using bi-dimensional Galton boards," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 387(22), pages 5371-5380.
    • Handle: RePEc:eee:phsmap:v:387:y:2008:i:22:p:5371-5380
    DOI: 10.1016/j.physa.2008.05.003
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    Cited by:

    1. Leitner, M. & Leubner, M.P. & Vörös, Z., 2011. "Creating kappa-like distributions from a Galton board," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 390(7), pages 1248-1257.

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