granular gas
Particle Dynamics at the Onset of the Granular Gas-Liquid Transition
... densities of both phases, which are depicted by the plain (dashed) red curves in Fig. 3(b) . To conclude, we investigated the dynamics of large tracer particles placed in a mechanically excited granular ...
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Integral representation of the linear Boltzmann operator for granular gas dynamics with applications
... a gas, ...Binary Granular Mixtures at Low-Density, preprint, ...a granular gas, Physical Review E, 69, ...Rarefied Gas Dynamics ...
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Tuning the distance to equipartition by controlling the collision rate in a driven granular gas experiment
... is increased, the competition between repulsive interac- tions and kinetic agitation results in a transition from a granular gas towards a hexagonal crystal. Snapshots of a window inside S are shown without ...
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Towards an H-theorem for granular gases
... V. CONCLUSIONS In this paper, we have presented strong hints that the functional given by Eq. (42) can play the role of a Lyapunov functional in the context of a dissipative granular gas: it decays ...
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Vibrated granular media as experimentally realizable Granular Gases
... vibrated granular gas thus attains a steady ...the granular materials are difficult to attain experimentally; the vibration amplitude in experiments is often a significant fraction of the size of the ...
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Rebound of a confined granular material: combination of a bouncing ball and a granular damper.
... is totally inelastic. This completely inelastic bounce was observed when m i ? m c for different filling volumes V f (see Fig. 5a). Only the sphere completely full of grains and the empty sphere bounce several times ...
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Additive rheology of complex granular flows
... of granular materials, as demonstrated in this paper, is by no means ...of granular materials in which the particle interactions are concentrated at the contact points and the local dynamics is controlled ...
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Characterizing Granular Networks Using Topological Metrics
... Understanding how granular materials self-organize into mechanically stable states requires consideration of the structure of force networks. Figure 1 shows exam- ples of typical force networks found in the ...
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Multiscale Clustering in Granular Surface Flows
... between granular flows down a rough inclined plane and granular surface flows can then be rationalized as follows: cluster- ing results from the competition between inelastic multiple collisions, which ...
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Multiscale characterisation of diffuse granular failure
... CEMAGREF – Unite´ ETNA – Grenoble, France; d 3S-R Laboratory – INPG, UJF, CNRS – Grenoble, France We study the evolution of structure inside a deforming, cohesionless granular material undergoing failure in the ...
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Shape of a cohesive granular heap
... non-cohesive granular media (like dry sand) is poured from a single point, it forms a conical ...that granular media sustain shear stresses as in solid ...
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Numerical study of crushable granular materials
... Keywords: Granular materials; grain breakage; elasto-plasticity; critical state; grain size ...of granular materials has been widely investigated in the past ...
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Rheological characterization of sludge in divided granular-like and pasty states using a granular rheometer
... protocols implemented are described in the following. 2.3.1 Granular rheometer FT4 rotational rheometer (Freeman Technology, UK) was used to carry out the experimental tests in shear measurements. Measurements ...
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Silo Collapse under Granular Discharge
... mobilization increases until the grains may move down- wards. Janssen ’s profile can be recovered with great accu- racy provided a large amount of granular material is released during the discharge [38,42] . In ...
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Scaling behavior of immersed granular flows
... 5 Conclusion Our extensive simulations using a sub-particle well- resolved computation of a viscous fluid coupled to rigid particles suggest that the visco-inertial flow regime of im- mersed granular materials can ...
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PDMS coatings on asymmetric gas separation membranes: effect on pure gas and mixed gas selectivity
... NRC Publications Archive Archives des publications du CNRC Access and use of this website and the material on it are subject to the Terms and Conditions set forth at PDMS coatings on asymmetric gas separation ...
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Single and multi-phase granular flow
... Idealised test cases showed that the present numerical scheme correctly handled the viscous-plastic regime. A solution of the full two-phase flow problem with realistic geometry and boundary conditions was then ...
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The drainage of foamy granular suspensions
... the gas fraction has remained equal to the initial value ...constant gas fraction 𝜙, we measure the drainage velocity 𝑉 from the slope of this linear evolution, 𝑉 = 𝑑ℎ 𝑑𝑡 ⁄ ...
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Uniform convergence to equilibrium for granular media
... space-homogeneous granular media (see [3]), where it governs the evolution of the velocity distribution µ t (x) of a particle under the effects of diffusion, a possible exterior potential V and a mean field ...
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Viscoinertial regime of immersed granular flows
... inertial number, which can also be interpreted as a generalized fluidity parameter of the suspension tending to the inverse of effective viscosity in the viscous limit. The robustness of the visco-inertial number was ...
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