This study predicts how the Free Surface Level (FSL) variations around finite length vegetation affect flow structure by using a numerical simulation. The volume of fluid (VOF) technique with Reynolds stress model (RSM) was used for Multizone Hexahedral meshing adopted to accurately track free surface level minimum diffusion at water–air interface. After validation, emergent patches were select...

Direct ink writing (DIW) belongs to material extrusion–based additive manufacturing (MEAM), and the molding quality of deposited corners has an impact on geometrical three-dimensional (3D) parts fabricated by DIW. To fully understand DIW process improve parts, numerical simulations have been widely used model process. However, previous research works for simulation could only achieve corner und...

The horizontal drop film evaporator is a key component of the mechanical vapor recompression crystallization system, which can be used to evaporate effluent and recycle secondary energy. However, properties heat transfer flow salty sprayed external evaporation tube are obviously different from that ordinary water. We established 3D model for in water sodium sulfate mixture were manufactured rep...

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...

Abstract A CFD study on horizontal oil-water flow with high viscosity ratio (O(103)) was conducted the VOF multiphase model in conjunction SST k–? turbulence scheme. Suitable settings of models and numerical solution were highlighted. Particularly, wall contact angle is shown to be important regarding oil fouling phenomenon commonly seen water-lubricated transportation highly viscous oil. Satis...