A hybrid VOF–Lagrangian method for simulating the aerodynamic breakup of liquid droplets induced by a traveling shock wave is proposed and tested. The droplet deformation fragmentation, together with subsequent mist development, are predicted using fully three-dimensional computational fluid dynamics model following unsteady Reynolds-averaged Navier–Stokes approach. main characteristics aerobre...

The direct numerical simulation of particle flows is investigated by a Lagrangian VOF approach and penalty methods of second order convergence in space for incompressible flows interacting with resolved particles on a fixed structured grid. A specific Eulerian volume of fluid method is developed with a Lagrangian tracking of the phase function while the solid and divergence free constraints are...

Abstract The melting behavior of a fayalitic slag was investigated with computational fluid dynamics and validated experimental data. A heating microscope employed to perform typical ash (AMB) test, in order gain information about the slag. numerical approach is based on using volume (VOF) method, track interface between gas phases, enthalpy–porosity model, simulate as phase change material (PC...

Large-eddy simulations have been conducted for two-phase flow (water and air) in a hydrocyclone using Two-Fluid (Euler–Euler) Volume-of-Fluid (VOF) models. Subgrid stresses are modeled dynamic eddy–viscosity model, results compared to those the Smagorinsky model. The effects of grid resolutions on mean turbulence statistics thoroughly investigated. Five block-structured grids 0.72, 1.47, 2.4, 3...

Fluid dynamics governed by Navier-Stokes equations is already solved for decades but the recent trend in computer graphics is to modify the simulation such that it easily controllable for the purpose of computer animation or real time fluid animation. In Eulerian approach, fields must be discretized in space, making these techniques inherently mesh-based. Each mesh cell represents an approximat...

A numerical study, using the volume-of-fluid method (VOF), has been made of core-annular flow in a curved pipe. We investigated two cases: core-annular flow in a 90◦ bend and in a 180◦ return bend. To verify our numerical method we first compared our results for a singlephase flow in a 90◦ bend with numerical results and experimental data given in the literature. The agreement was good. Thereaf...

Heat & fluid flow conservation equations of carburant liquid droplet are solved by a semi-implicit method the Volume Of Fluid ( VOF ) scheme. A new technique radius regression estimation based on Piece-wise Linear Interface Calculation PLIC is developed. Numerical computation performed for stagnant droplets in evaporation natural convection (which takes into consideration buoyancy forces) and a...

This research deals with the validation of fluid dynamic models, used for simulating shoaling and breaking solitary waves on slopes, based on experiments performed at the Ecole Supérieure d’Ingénieurs de Marseille’s (ESIM) laboratory. A separate paper, also presented at this conference, reports on experiments. In a first part of this work, a fully nonlinear potential flow model based on a Bound...

In this research, experimental investigation and the computational fluid dynamic (CFD) simulation of a cryogenic condenser for oxygen liquefaction was carried out. The liquid nitrogen used as cooling fluid. section, three-dimensional model with structured mesh high quality aspect ratio skewness considered. multi-phase flow inside studied numerically, using volume (VOF) method. This work also ex...