Granular and particle-laden flows: from laboratory experiments to field observations

R Delannay, A Valance, A Mangeney… - Journal of Physics D …, 2017 - iopscience.iop.org
This review article provides an overview of dry granular flows and particle fluid mixtures,
including experimental and numerical modeling at the laboratory scale, large scale …

Coarse‐grained debris flow dynamics on erodible beds

S Lanzoni, C Gregoretti… - Journal of Geophysical …, 2017 - Wiley Online Library
A systematic set of flume experiments is used to investigate the features of velocity profiles
within the body of coarse‐grained debris flows and the dependence of the transport …

Dynamic impact of a debris flow front against a vertical wall

A Armanini, M Larcher, M Odorizzi - Italian Journal of Engineering …, 2011 - rosa.uniroma1.it
Recent experimental results obtained at the University of Trento show that a liquid-granular
wave can impact against a vertical obstacle producing two different mechanisms of …

Debris flows: Recent advances in experiments and modeling

D Berzi, JT Jenkins, M Larcher - Advances in geophysics, 2010 - Elsevier
We report on recent advances in experiments and modeling of particle–fluid flows that are
relevant to an understanding of debris flows. We first describe laboratory experiments on …

A general numerical model for surface waves generated by granular material intruding into a water body

P Si, H Shi, X Yu - Coastal Engineering, 2018 - Elsevier
Surface water waves generated by large-scale landslides have been a major concern of
many geoscientists and coastal engineers because they may result in disastrous …

Submerged granular channel flows driven by gravity

A Armanini, M Larcher, E Nucci, M Dumbser - Advances in water resources, 2014 - Elsevier
The paper presents a rheological model for gravity driven granular flows saturated with
water. The model adopts the kinetic theory for the collisional regime, which is dominant near …

Numerical simulation model of gas–liquid–solid flows with gas–liquid free surface and solid-particle flows

K Kihara, N Okada - Chemical Engineering Science, 2023 - Elsevier
Gas–liquid–solid flow is an important phenomenon in large-scale industrial processes. The
difficulties in numerical simulations of these processes lie in the problems of high calculation …

Granular flows driven by gravity

A Armanini - Journal of Hydraulic Research, 2013 - Taylor & Francis
Two-phase fluids, consisting of solid particles in water or in the air, are present in many
fields of hydraulics and specifically in the morpho-hydrodynamics of rivers and mountain …

An experimental study on aquatic collapses of bidisperse granular deposits

K He, H Shi, X Yu - Physics of Fluids, 2021 - pubs.aip.org
A laboratory experiment is conducted to study the mobility and the segregation of aquatic
bidisperse granular columns. The effects of the ambient fluid, the particle composition, and …

Closure relations for mobile bed debris flows in a wide range of slopes and concentrations

A Armanini - Advances in Water Resources, 2015 - Elsevier
Debris flows are flows of water and sediment driven by gravity that initiate in the upper part
of a stream, where the slope is very steep, allowing high values of solid concentration …