[图书][B] Two-fluid model stability, simulation and chaos
The stability of the Two-Fluid Model (TFM) is an outstanding problem since the inception
more than 40 years ago. The difficulty stems from the combined challenges of turbulence in …
more than 40 years ago. The difficulty stems from the combined challenges of turbulence in …
Clustering instabilities in sedimenting fluid–solid systems: critical assessment of kinetic-theory-based predictions using direct numerical simulation data
In this work the quantitative and qualitative ability of a kinetic-theory-based two-fluid model
(KT-TFM) is assessed in a state of fully periodic sedimentation (fluidization), with a focus on …
(KT-TFM) is assessed in a state of fully periodic sedimentation (fluidization), with a focus on …
Numerical simulation of terrain-induced severe slugging coupled by hydrodynamic slugs in a pipeline–riser system
P Han, L Guo - International journal of heat and fluid flow, 2015 - Elsevier
A numerical study based on a one-dimensional two-fluid model is carried out to describe the
transient hydrodynamic slugging and terrain-induced severe slugging in a pipeline–riser …
transient hydrodynamic slugging and terrain-induced severe slugging in a pipeline–riser …
Stability and convergence of computational eulerian two-fluid model for a bubble plume
A Vaidheeswaran, ML de Bertodano - Chemical Engineering Science, 2017 - Elsevier
The Eulerian two-fluid model (TFM) of Ishii (1975) is used to analyze the dynamics of an air-
water bubble plume. The focus is on the effect of the linear stability, in particular the ill-posed …
water bubble plume. The focus is on the effect of the linear stability, in particular the ill-posed …
Numerical slug flow model of curved pipes with experimental validation
The research for gas–liquid two-phase flow is very important for flow assurance and flow
stability of chemical transportation. In terms of transportation pipelines, the curved section is …
stability of chemical transportation. In terms of transportation pipelines, the curved section is …
A study on the influence of closure model and numerical technology on the stability of two-fluid model
H Zhang, M Zhao, Y Yang - Annals of Nuclear Energy, 2024 - Elsevier
The influence of closure model and numerical technology on two-fluid model's stability is
studied. A stability analysis method for two-fluid model with interfacial drag term is proposed …
studied. A stability analysis method for two-fluid model with interfacial drag term is proposed …
Chaos in wavy-stratified fluid-fluid flow
We perform a nonlinear analysis of a fluid-fluid wavy-stratified flow using a simplified two-
fluid model (TFM), ie, the fixed-flux model (FFM), which is an adaptation of the shallow water …
fluid model (TFM), ie, the fixed-flux model (FFM), which is an adaptation of the shallow water …
One-dimensional two-fluid model for wavy flow beyond the Kelvin–Helmholtz instability: Limit cycles and chaos
Abstract A 1D TFM numerical simulation of near horizontal stratified two-phase flow is
performed where the TFM, including surface tension and viscous stresses, is simplified to a …
performed where the TFM, including surface tension and viscous stresses, is simplified to a …
[HTML][HTML] Are continuum predictions of clustering chaotic?
WD Fullmer, CM Hrenya - Chaos: An Interdisciplinary Journal of …, 2017 - pubs.aip.org
Gas-solid multiphase flows are prone to develop an instability known as clustering. Two-fluid
models, which treat the particulate phase as a continuum, are known to reproduce the …
models, which treat the particulate phase as a continuum, are known to reproduce the …
Well-posedness and convergence of cfd two-fluid model for bubbly flows
A Vaidheeswaran - 2015 - docs.lib.purdue.edu
The current research is focused on developing a well-posed multidimensional CFD two-fluid
model (TFM) for bubbly flows. Two-phase flows exhibit a wide range of local flow instabilities …
model (TFM) for bubbly flows. Two-phase flows exhibit a wide range of local flow instabilities …