بررسي اثر پاشنه راهگاه بارريز بر پديده ماسه شويي به كمك شبيه سازي عددي جريان مذاب در فرايند ريخته گري با قالب ماسه اي

Effect of Well-Sprue on the Sand Erosion by Fluid Flow Simulation in the Sand Casting Process

In this investigation a computational model has been developed for the simulation of melt flow in mould cavity. The simulation of flow with free surfaces into the cavity is based on the SOLution Algorithm-Volume of Fraction (SOLA-VOF) numerical algorithm, utilizing the finite difference method. Then effect of well-sprue on the flow pattern and sand-erosion was investigated. In order to verify the computational results, the casting of a Grey Iron within a transparent mould has been carried out and the sand-erosion at different times has been