Journal
PHYSICAL REVIEW E
Volume 62, Issue 6, Pages 8349-8360Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.62.8349
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Here granular suspensions refer to very concentrated suspensions of particles within a Newtonian fluid. Under certain conditions given in the paper, the bulk stresses mainly result from the combination of frictional and collisional interactions at the particle scale. The corresponding flow regime is called the frictional-collisional regime. The constitutive equation adapted to this regime is not well known. We propose a constitutive model based on the balance between frictional and collisional interactions. We have applied this model to granular flow down an inclined channel. It is shown that the mass flow rate is proportional to the flow depth.
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