Plug flow and brecciation in volcanic conduits can emerge from shear-induced crystal migration in otherwise Newtonian magmas

J Vasseur, FB Wadsworth, DB Dingwell… - Communications Earth & …, 2024 - nature.com
In the Earth, the flow of crystal-bearing magma is thought to be non-Newtonian and shear
thinning, but the physical origin for this is poorly understood. We use hydro-granular theory …

Particle separation mechanisms in suspension-feeding fishes: key questions and future directions

SL Sanderson - Frontiers in Marine Science, 2024 - frontiersin.org
Key unresolved questions about particle separation mechanisms in suspension-feeding
fishes are identified and discussed, focusing on areas with the potential for substantial future …

Hydrodynamic clogging of micro-particles in planar channels under electrostatic forces

NJ Di Vaira, Ł Łaniewski-Wołłk, RL Johnson… - Journal of Fluid …, 2023 - cambridge.org
Hydrodynamic clogging in planar channels is studied via direct numerical simulation for the
first time, utilising a novel numerical test cell and stochastic methodology with special focus …

Co-application of indirect hydraulic fracturing and micro-proppants with existing surface-to-inseam wells to improve pre-drainage of low permeability coals in mining …

HM Ramanandraibe, RL Johnson… - Abu Dhabi …, 2023 - onepetro.org
Abstract Surface-to-inseam (SIS) pre-drainage has become the most common method to pre-
drain coal mine methane (CMM) for safer mining operations, improve gas recovery in areas …

[HTML][HTML] Development and validation of a phase-field lattice Boltzmann method for non-Newtonian Herschel-Bulkley fluids in three dimensions

BM Hill, TR Mitchell, SM Aminossadati… - … & Mathematics with …, 2024 - Elsevier
The behaviour of non-Newtonian fluids, and their interaction with other fluid phases and
components, is of interest in a diverse range of scientific and engineering problems. In the …

[HTML][HTML] The effect of shear-induced segregation on bidisperse suspension settling

M Fazli, M Rudman, S Kuang, A Chryss - Powder Technology, 2024 - Elsevier
Shear is a common phenomenon in practical mineral processes, particularly in pipeline
transportation. When applied to realistic polydisperse systems consisting of particles of …

Implications of recent research into the application of graded particles or micro-proppants for coal seam gas and shale hydraulic fracturing

RL Johnson, HM Ramanandraibe, N Di Vaira… - SPE Asia Pacific Oil …, 2022 - onepetro.org
Low permeability, naturally fractured reservoirs such as coal seam gas (CSG, coalbed
methane or CBM) and shale gas reservoirs generally require well stimulation to achieve …

Mass and momentum balance during particle migration in the pressure-driven flow of frictional non-Brownian suspensions

M Orsi, L Lobry, E Lemaire, F Peters - Journal of Fluid Mechanics, 2024 - cambridge.org
The transient shear-induced particle migration of frictional non-Brownian suspensions is
studied using particle-resolved simulations. The numerical method–the fictitious domain …

[HTML][HTML] Interparticle friction in sheared dense suspensions: Comparison of the viscous and frictional rheology descriptions

W Peerbooms, T Nadorp, A van der Heijden… - Journal of …, 2024 - pubs.aip.org
In the literature, two different frameworks exist for describing the rheology of solid/liquid
suspensions:(1) the “viscous” framework in terms of the relative suspension viscosity, η r⁠ …

Hindered settling of a log-normally distributed Stokesian suspension

H Li, L Botto - Journal of Fluid Mechanics, 2024 - cambridge.org
Settling velocity statistics for dilute, non-Brownian homogeneous suspensions of
polydisperse spheres having a log-normal size distribution are generated from Stokesian …