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

Yi Peng, Sheng Zhang, Jiangfeng Wan, Yangyang Yang, Kewei Tao, LiDong Ma, Guanghui Yang, Lei Yang and Mengke Wang

PLOS ONE, 2023, vol. 18, issue 6, 1-17

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.

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0286591

DOI: 10.1371/journal.pone.0286591

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