Abstract
A multiphase flow, for example gas and liquid flow, in the mm-μm scale is often used in industrial equipment, and development of prediction technology is important to determine the complicated behavior of a free surface transform. OpenFOAM, one of the open source computational fluid dynamics(CFD) softwares, has recently attracted attention to using in industrial applications. We examined the possibility of using OpenFOAM in the development process of fluid machinery products. First, we started out by a continuous-inkjet simulation. We compared the simulation results for the breakup length of a liquid column with theoretical results. Next, we evaluated a distribution ratio of a refrigerant distributor by another simulation. The simulation results for each model qualitatively agreed well with the theoretical or experimental results. We found that OpenFOAM was effective for the simulation of gas and liquid free surface flows.