Using stereo XPTV to determine cylindrical particle distribution and velocity in a binary fluidized bed

X Chen, W Zhong, TJ Heindel - AIChE Journal, 2019 - Wiley Online Library
Nonspherical particles are commonly found when processing biomass or municipal solid
waste. In this study, cylindrical particles are used as generic nonspherical particles and are …

High-fidelity simulations of gravity currents using a high-order finite-difference spectral vanishing viscosity approach

RAS Frantz, G Deskos, S Laizet, JH Silvestrini - Computers & Fluids, 2021 - Elsevier
This numerical work investigates the potential of a high-order finite-difference spectral
vanishing viscosity approach to simulate gravity currents at high Reynolds numbers. The …

Direct numerical simulation of transverse ripples: 1. Pattern initiation and bedform interactions

N Zgheib, JJ Fedele, D Hoyal… - Journal of …, 2018 - Wiley Online Library
We present results of coupled direct numerical simulations between flow and a deformable
bed in a horizontally periodic, turbulent open channel at a shear Reynolds number of Re τ …

Density currents front velocity uncertainty

BA Farenzena, JH Silvestrini - Computers & Fluids, 2022 - Elsevier
Lock-release density currents compose a family of stratified flows that consists of a rapid
release of fluid initially confined in an environmental fluid, where the confined fluid usually …

Particle segregation within bidisperse turbidity current evolution

J Xie, C Zhu, P Hu, Z Yu, D Pan - Journal of Fluid Mechanics, 2023 - cambridge.org
Multigrain/polydispersity has a significant impact on turbidity current (TC). Despite the fact
that several researches have looked into this effect, the impact of the fluid–particle …

[HTML][HTML] Reynolds number and settling velocity influence for finite-release particle-laden gravity currents in a basin

EP Francisco, LFR Espath, S Laizet… - Computers & …, 2018 - Elsevier
Three-dimensional highly resolved Direct Numerical Simulations (DNS) of particle-laden
gravity currents are presented for the lock-exchange problem in an original basin …

Numerical modeling of density currents using an Incompressible Smoothed Particle Hydrodynamics method

H Ikari, H Gotoh - Computers & Fluids, 2018 - Elsevier
This paper presents a numerical model to simulate density currents using an Incompressible
Smoothed Particle Hydrodynamics method with accurate schemes associated with the …

Numerical study of the orientation of cylindrical particles in a circulating fluidized bed

J Cai, Z Peng, C Wu, X Zhao, Z Yuan… - Industrial & …, 2016 - ACS Publications
Orientation is pivotal in circulating fluidized beds using cylinder-shaped particles. This study
developed a three-dimensional multiway coupling model for predicting the orientation of …

Estudo da dinâmica de correntes de turbidez em sistemas canal-bacia por simulação numérica em diferenças finitas de segunda ordem

BA Scapin - 2022 - lume.ufrgs.br
As correntes de densidade são fluxos que se manifestam devido à diferença de energia
potencial, resultante da variação de massa específica entre misturas. Para o caso das …

[PDF][PDF] Feições espaço-temporais em correntes de gravidade usando métodos de visão computacional

FD Vianna - 2021 - repositorio.pucrs.br
Estudos experimentais em correntes de gravidade identificaram correlações entre as
estruturas visualmente percebidas na porção frontal deste tipo de corrente e os parâmetros …