Granular Flow Under the Action of Centrifugal Force: A Critical Dynamic Friction Coefficient

Aurélie Le Quiniou (), François Rioual and Yuri Lapusta
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Aurélie Le Quiniou: Cemagref, TSCF
François Rioual: Cemagref, TSCF
Yuri Lapusta: Cemagref, TSCF

A chapter in Traffic and Granular Flow ’07, 2009, pp 615-620 from Springer

Abstract: Summary We performed numerical simulations of the impact of a bead on a rotating vane. Considering different realistic contact laws at the collision chosen from experiments, we define a typical trajectory as a bouncing regime followed by a sticking regime. We show that there exists a critical friction coefficient between the particle and the wall for which the particle rolls without any significative sliding in a second phase. We deduce that the friction of the grains with the vane may have a minor effect because the bead rolls without any sliding after a transient stage. This may have important outcomes in spreading applications.

Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-540-77074-9_67

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DOI: 10.1007/978-3-540-77074-9_67

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