An ALE-FE method for two-phase flows with dynamic boundaries
Sign Up to like & getrecommendations! Published in 2020 at "Computer Methods in Applied Mechanics and Engineering"
DOI: 10.1016/j.cma.2020.112820
Abstract: Abstract The present work aims at developing a new flexible computational framework to simulate macro and microscale two-phase flows with dynamic boundaries. Such a technique is extremely useful for periodic and very large domains which… read more here.
Keywords: phase; phase flows; two phase; dynamic boundaries ... See more keywords
Numerical investigations of turbulent single-phase and two-phase flows in a diffuser
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Multiphase Flow"
DOI: 10.1016/j.ijmultiphaseflow.2020.103333
Abstract: Abstract This study presents numerical investigations of turbulent single-phase (water) and two-phase (air-water) flows in a horizontal diverging channel (diffuser), extending our previous experimental work (Mansour et al., 2018a). The main target is to examine and… read more here.
Keywords: numerical investigations; phase; phase flows; two phase ... See more keywords
Strong solutions to compressible–incompressible two-phase flows with phase transitions
Sign Up to like & getrecommendations! Published in 2020 at "Nonlinear Analysis: Real World Applications"
DOI: 10.1016/j.nonrwa.2020.103101
Abstract: We consider a free boundary problem of compressible-incompressible two-phase flows with phase transitions in general domains of $N$-dimensional Euclidean space (e.g. whole space; half-spaces; bounded domains; exterior domains). The compressible fluid and the incompressible fluid… read more here.
Keywords: phase flows; flows phase; phase; two phase ... See more keywords
Application of radial basis function in densitometry of stratified regime of liquid-gas two phase flows
Sign Up to like & getrecommendations! Published in 2017 at "Radiation Measurements"
DOI: 10.1016/j.radmeas.2017.03.001
Abstract: Abstract In this paper, a novel method is proposed for predicting the density of liquid phase in stratified regime of liquid-gas two phase flows by utilizing dual modality densitometry technique and artificial neural network (ANN)… read more here.
Keywords: stratified regime; phase; phase flows; liquid ... See more keywords
Analysis of choked two-phase flows of gas and particle in a C-D nozzle
Sign Up to like & getrecommendations! Published in 2017 at "Theoretical and Applied Mechanics Letters"
DOI: 10.1016/j.taml.2017.11.005
Abstract: Abstract Particle–gas two-phase flows show significantly different behaviors compared to single gas flow through a convergent–divergent nozzle. Non-equilibrium effects, thermal and velocity lag results to the inefficiency of nozzle performance. In the present studies, theoretical… read more here.
Keywords: phase flows; two phase; gas; model ... See more keywords
A high-efficiency smoothed particle hydrodynamics model with multi-cell linked list and adaptive particle refinement for two-phase flows
Sign Up to like & getrecommendations! Published in 2021 at "Physics of Fluids"
DOI: 10.1063/5.0052030
Abstract: The smoothed particle hydrodynamics method has been applied in modeling violent flows with the free surface. Much effort has been made in reducing the computational costs in simulating the three-dimensional two-phase flows with the violently… read more here.
Keywords: phase flows; two phase; hydrodynamics; smoothed particle ... See more keywords
A Momentum-Conserving Weakly Compressible Navier–Stokes Solver for Simulation of Violent Two-Phase Flows with High Density Ratio
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Computational Fluid Dynamics"
DOI: 10.1080/10618562.2023.2202391
Abstract: A consistent and conservative formulation for mass and momentum transport is proposed in the context of simulating incompressible two-phase flows by using weakly compressible method. Combined with the evolving pressure projection method to prevent oscillation… read more here.
Keywords: phase flows; violent two; weakly compressible; momentum ... See more keywords
Separate-phase model and its lattice Boltzmann algorithm for liquid-vapor two-phase flows in porous media.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review. E"
DOI: 10.1103/physreve.99.053302
Abstract: In this article, we formulate a set of the separate-phase governing equations at the representative-elementary-volume scale and develop its double-distribution function lattice Boltzmann (LB) algorithm to describe liquid-vapor two-phase flows with or without phase change… read more here.
Keywords: lattice boltzmann; phase flows; porous media; two phase ... See more keywords
A Simple Optical Sensor Based on an In-Line Mach–Zehnder Interferometer for Monitoring Single- and Two-Phase Flows in Pipelines
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2021.3082268
Abstract: In this article, we proposed a simple optical sensor for flow measurement. The sensor structure is based on an in-line Mach–Zehnder interferometer formed by splicing an input single-mode fiber section and an output single-mode fiber… read more here.
Keywords: phase flows; single two; two phase; simple optical ... See more keywords
Numerical Analysis of Performance Deterioration of a Centrifugal Pump Operating in Two-Phase Flows
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Fluid Mechanics"
DOI: 10.29252/jafm.12.04.29477
Abstract: Pumps handling two-phase flows are essential parts of industrial process mainly in oil and gas facilities and power plants. It is known that for centrifugal pumps the presence of gas phase in liquid flow causes… read more here.
Keywords: performance; phase flows; two phase; deterioration ... See more keywords
Numerical Investigation of Two-Phase Flows in Corrugated Channel with Single and Multiples Drops
Sign Up to like & getrecommendations! Published in 2020 at "Fluids"
DOI: 10.3390/fluids6010013
Abstract: This work aims at investigating numerically the effects of channel corrugation in two-phase flows with single and multiples drops subject to buoyancy-driven motion. A state-of-the-art model is employed to accurately compute the dynamics of the… read more here.
Keywords: phase flows; multiples drops; two phase; numerical investigation ... See more keywords