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Numerical study of granular flow in a slit funnel with a novel structure to avoid particle clogging

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Listed:
  • Yi Peng
  • Sheng Zhang
  • Jiangfeng Wan
  • Yangyang Yang
  • Kewei Tao
  • LiDong Ma
  • Guanghui Yang
  • Lei Yang
  • Mengke Wang

Abstract

To solve the problem of particle clogging in slit funnels and to obtain a stable discharge flow rate, we proposed a new funnel structure, namely the slit baffle funnel. We conducted a systematic investigation using the discrete element method (DEM) to study the effects of funnel half-angle θ, outlet width W, and baffle height H on flow rate and flow pattern. We found that the proposed structure could effectively avoid particle clogging and guarantee a continuous and stable flow rate with small outlet width. Under the condition of H >3 d, a bigger flow rate was obtained at a smaller funnel half-angle. This new funnel structure could be applied to solve clogging problems associated with granular matter in the slit geometry in mining, agriculture, food, and pharmaceuticals.

Suggested Citation

  • Yi Peng & Sheng Zhang & Jiangfeng Wan & Yangyang Yang & Kewei Tao & LiDong Ma & Guanghui Yang & Lei Yang & Mengke Wang, 2023. "Numerical study of granular flow in a slit funnel with a novel structure to avoid particle clogging," PLOS ONE, Public Library of Science, vol. 18(6), pages 1-17, June.
    • Handle: RePEc:plo:pone00:0286591
    DOI: 10.1371/journal.pone.0286591
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    References listed on IDEAS

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    1. D. V. Denisov & K. A. Lörincz & J. T. Uhl & K. A. Dahmen & P. Schall, 2016. "Universality of slip avalanches in flowing granular matter," Nature Communications, Nature, vol. 7(1), pages 1-6, April.
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