Topic
Volume of fluid method
About: Volume of fluid method is a research topic. Over the lifetime, 5338 publications have been published within this topic receiving 116760 citations.
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TL;DR: In this paper, a numerical two-phase flow study is performed using Eulerian-Eulerian Volume of Fluid (VOF) interface tracking method to gain understanding of the effect of gas pressure on droplet size distribution.
29 citations
TL;DR: In this article, a three-dimensional numerical study of conjugate effect of heat transfer in two-phase flow in a microtube subjected to constant wall heat flux is presented.
29 citations
TL;DR: In this paper, a subcooled flow boiling in a vertical mini channel is simulated using Color Function Volume Of Fluid (CF-VOF) in micro gravity condition, where the continuous surface force model and Lee model are used for analyzing surface tension forces and mass transfer via interface, respectively.
29 citations
TL;DR: In this paper, a 3D simulation of flow visualization in the encapsulation of stacked-chip scales packages (S-CSP), using finite volume method, is presented, where the meshing is performed using tetrahedral elements and the discretization is done by first order upwind scheme.
Abstract: This paper presents three dimensional (3D) simulation of flow visualization in the encapsulation of stacked-chip scales packages (S-CSP), using finite volume method. The S-CSP model is constructed using GAMBIT and simulated using FLUENT CFD software. The epoxy molding compound is Hitachi CEL-9200 XU (LF) and its flow is assumed laminar and incompressible. Cross viscosity model and volume of fluid technique are applied for flow front tracking of the encapsulant. The meshing is performed using tetrahedral elements and the discretization is done by first order upwind scheme. SIMPLE algorithm is selected for solving the governing equations. The top view and 3D view of simulation flow front profiles in the encapsulation process are presented. The percentage of filled volume versus filling time, viscosity versus shear rate and number of voids versus rows of stacked die are plotted. The temperature and pressure distributions within the mold cavity during the encapsulation process are also observed. Further, the possibility and cause of void formation during the encapsulation process are analyzed and discussed in detail. The number of vertical stacking dies and horizontal rows of packages are found to be crucial in the void formation. The numerical results are compared with previous experimental results and found in good conformity.
29 citations
TL;DR: In this article, a 3D numerical simulation was carried out for the water flow in a stilling basin with multi-horizontal submerged jets by using two different turbulence models, namely, the VOF RNG k-e and Mixture RNG K-e turbulence models.
Abstract: 3-D numerical simulation was carried out for the water flow in a stilling basin with multi-horizontal submerged jets by using two different turbulence models, namely, the VOF RNG k-e and Mixture RNG k-e turbulence models. The calculated water depth, velocity profile and pressure distribution are in good agreement with the data obtained in experiments. It indicates that the numerical simulation can effectively be used to study the water flow movement and the energy dissipation mechanism. The numerical simulation results show that the turbulent kinetic energy distribution obtained by using the Mixture turbulence model covers a region about 18% larger than that calculated by using the VOF turbulence model, and is in better agreement with the actual situation. Furthermore, the Mixture turbulence model is better than the VOF turbulence model in calculating the air entrainment.
29 citations