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Journal Articles Powder Technology Year : 2021

Packing of wet monodisperse spheres

Jean-Michel Pereira
Yixiang Gan


We experimentally investigated the packing of wet monodisperse spheres with controlled falling height. The packing fraction are found to decrease with smaller grain size and free fall heights. A model describing the effects of interparticle force and falling height on packing fraction is developed by introducing a dimensionless length scale, representing the extent of particle rearrangement towards a denser state due to impacts of falling grains. A universal law is observed for both wet particles where capillary forces dominate and dry powders where van der Waals forces govern the packing behaviour. This study deepens the understanding of packing of cohesive spheres and provide a simple experimental method for generating granular media with tailored packing fraction.
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Dates and versions

hal-03169682 , version 1 (17-03-2021)



Zhongzheng Wang, Jean-Michel Pereira, Yixiang Gan. Packing of wet monodisperse spheres. Powder Technology, 2021, 378, pp.60-64. ⟨10.1016/j.powtec.2020.09.074⟩. ⟨hal-03169682⟩
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