B. J. Andrews, Dispersal and air entrainment in unconfined dilute pyroclastic density currents, Bulletin of Volcanology, vol.76, issue.9, pp.1-14, 2014.

S. Balachandar and J. K. Eaton, Turbulent Dispersed Multiphase Flow, Annual Review of Fluid Mechanics, vol.42, issue.1, pp.111-133, 2010.

C. Bonadonna, R. Genco, M. Gouhier, M. Pistolesi, R. Cioni et al., Tephra sedimentation during the 2010 Eyjafjallajökull eruption (Iceland) from deposit, radar, and satellite observations, Journal of Geophysical Research, vol.116, issue.B12, 2011.

C. Bonadonna, R. Genco, M. Gouhier, M. Pistolesi, R. Cioni et al., Tephra sedimentation during the 2010 Eyjafjallajökull eruption (Iceland) from deposit, radar, and satellite observations, Journal of Geophysical Research, vol.116, issue.B12, 2011.

E. C. Breard, J. Dufek, and G. Lube, Enhanced Mobility in Concentrated Pyroclastic Density Currents: An Examination of a Self?Fluidization Mechanism, Geophysical Research Letters, vol.45, issue.2, pp.654-664, 2018.

E. C. Breard, G. Lube, J. R. Jones, J. Dufek, S. J. Cronin et al., Coupling of turbulent and non-turbulent flow regimes within pyroclastic density currents, Nature Geoscience, vol.9, issue.10, pp.767-771, 2016.

M. I. Cantero, M. Shringarpure, and S. Balachandar, Towards a universal criteria for turbulence suppression in dilute turbidity currents with non-cohesive sediments, Geophysical Research Letters, vol.39, issue.14, pp.n/a-n/a, 2012.

G. Carazzo and A. M. Jellinek, A new view of the dynamics, stability and longevity of volcanic clouds, Earth and Planetary Science Letters, vol.325-326, pp.39-51, 2012.

C. S. Carroll, M. Y. Louge, and B. Turnbull, Frontal dynamics of powder snow avalanches, Journal of Geophysical Research: Earth Surface, vol.118, issue.2, pp.913-924, 2013.

M. Cerminara, T. Esposti ongaro, and L. C. Berselli, ASHEE-1.0: a compressible, equilibrium?Eulerian model for volcanic ash plumes, Geoscientific Model Development, vol.9, issue.2, pp.697-730, 2016.

C. Chen, Q. Dai, and H. Qi, Improvement of EMMS drag model for heterogeneous gas?solid flows based on cluster modeling, Chemical Engineering Science, vol.141, pp.8-16, 2016.

J. Dufek, The Fluid Mechanics of Pyroclastic Density Currents, Annual Review of Fluid Mechanics, vol.48, issue.1, pp.459-485, 2016.

J. Dufek, The Fluid Mechanics of Pyroclastic Density Currents, Annual Review of Fluid Mechanics, vol.48, issue.1, pp.459-485, 2016.

J. Dufek, M. Manga, and A. Patel, Granular disruption during explosive volcanic eruptions, Nature Geoscience, vol.5, issue.8, pp.561-564, 2012.

S. Elghobashi, On predicting particle-laden turbulent flows, Applied Scientific Research, vol.52, issue.4, pp.309-329, 1994.

J. R. Fessler, J. D. Kulick, and J. K. Eaton, Preferential concentration of heavy particles in a turbulent channel flow, Physics of Fluids, vol.6, issue.11, pp.3742-3749, 1994.

W. D. Fullmer and C. M. Hrenya, The Clustering Instability in Rapid Granular and Gas-Solid Flows, Annual Review of Fluid Mechanics, vol.49, issue.1, pp.485-510, 2017.

H. M. Gonnermann and M. Manga, The Fluid Mechanics Inside a Volcano, Annual Review of Fluid Mechanics, vol.39, issue.1, pp.321-356, 2007.

A. S. Goudie and N. J. Middleton, Saharan dust storms: Nature and consequences, Earth-Science Reviews, vol.56, issue.1-4, pp.67-75, 2001.

A. T. Harris, J. F. Davidson, and R. B. Thorpe, The prediction of particle cluster properties in the near wall region of a vertical riser, Powder Technology, vol.127, issue.2, pp.128-143, 2002.

M. Horio and H. Kuroki, Three-dimensional flow visualization of dilutely dispersed solids in bubbling and circulating fluidized beds, Chemical Engineering Science, vol.49, issue.15, p.71, 1994.

R. C. Jeffrey and J. R. Pearson, Particle motion in laminar vertical tube flow, Journal of Fluid Mechanics, vol.22, issue.04, p.721, 1965.

B. Lu, W. Wang, and J. Li, Searching for a mesh-independent sub-grid model for CFD simulation of gas?solid riser flows, Chemical Engineering Science, vol.64, issue.15, pp.3437-3447, 2009.

G. Lube, E. C. Breard, S. J. Cronin, J. N. Procter, M. Brenna et al., Dynamics of surges generated by hydrothermal blasts during the 6 August 2012 Te Maari eruption, Mt. Tongariro, New Zealand, Journal of Volcanology and Geothermal Research, vol.286, pp.348-366, 2014.

A. Neri and D. Gidaspow, Riser hydrodynamics: Simulation using kinetic theory, AIChE Journal, vol.46, issue.1, pp.52-67, 2000.

S. Sundaram and L. R. Collins, Collision statistics in an isotropic particle-laden turbulent suspension. Part 1. Direct numerical simulations, Journal of Fluid Mechanics, vol.335, pp.75-109, 1997.

G. A. Valentine and M. R. Sweeney, Compressible Flow Phenomena at Inception of Lateral Density Currents Fed by Collapsing Gas-Particle Mixtures, Journal of Geophysical Research: Solid Earth, vol.123, issue.2, pp.1286-1302, 2018.

A. Weit, O. Roche, T. Dubois, and M. Manga, Experimental Measurement of the Solid Particle Concentration in Geophysical Turbulent Gas?Particle Mixtures, Journal of Geophysical Research: Solid Earth, vol.123, issue.5, pp.3747-3761, 2018.
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