Gas–particle dynamics in high-speed flows

J Capecelatro, JL Wagner - Annual Review of Fluid Mechanics, 2024 - annualreviews.org
High-speed disperse multiphase flows are present in numerous environmental and
engineering applications with complex interactions between turbulence, shock waves, and …

Recent advances in well-posed Eulerian models for polydisperse multiphase flows

RO Fox - International Journal of Multiphase Flow, 2024 - Elsevier
The current state-of-the-art for computational modeling of polydisperse multiphase flows is
reviewed and future research directions are discussed. Physics-based computational …

A multiphase model for compressible granular–gaseous flows: formulation and initial tests

RW Houim, ES Oran - Journal of fluid mechanics, 2016 - cambridge.org
A model for predicting the behaviour of a compressible flow laden with shocks interacting
with granular material has been developed and tested. The model consists of two sets of …

Modeling high-speed gas–particle flows relevant to spacecraft landings

J Capecelatro - International Journal of Multiphase Flow, 2022 - Elsevier
The interactions between rocket exhaust plumes and the surface of extraterrestrial bodies
during spacecraft landings involve complex multiphase flow dynamics that pose significant …

Hyperbolic high-fidelity simulations of cratering on a particle bed induced by a turbulent supersonic plume

K Balakrishnan, J Bellan - International Journal of Multiphase Flow, 2024 - Elsevier
A recently proposed hyperbolic granular model (Balakrishnan and Bellan, 2024) has been
used to investigate the problem of supersonic-jet induced cratering on a solid-particle bed …

Modelling compressible dense and dilute two-phase flows

R Saurel, A Chinnayya, Q Carmouze - Physics of fluids, 2017 - pubs.aip.org
Many two-phase flow situations, from engineering science to astrophysics, deal with
transition from dense (high concentration of the condensed phase) to dilute concentration …

Natural modes of the two-fluid model of two-phase flow

A Clausse, M López de Bertodano - Physics of Fluids, 2021 - pubs.aip.org
A physically based method to derive well-posed instances of the two-fluid momentum
transport equations from first principles is presented. The basic tools used in this endeavor …

Shock–particle-curtain-interaction study with a hyperbolic two-fluid model: Effect of particle force models

V Boniou, RO Fox - International Journal of Multiphase Flow, 2023 - Elsevier
The main goal of this work is to explore the closures used in two-fluid models to represent
the interphase forces between particles and high-speed flows. To this aim, a hyperbolic two …

Impulse waves generated by snow avalanches: Momentum and energy transfer to a water body

G Zitti, C Ancey, M Postacchini… - Journal of Geophysical …, 2016 - Wiley Online Library
When a snow avalanche enters a body of water, it creates an impulse wave whose effects
may be catastrophic. Assessing the risk posed by such events requires estimates of the …

On the hyperbolicity of the two-fluid model for gas–liquid bubbly flows

N Panicker, A Passalacqua, RO Fox - Applied Mathematical Modelling, 2018 - Elsevier
The hyperbolicity condition of the system of partial differential equations (PDEs) of the
incompressible two-fluid model, applied to gas–liquid flows, is investigated. It is shown that …