Benchmarking of CFD solvers for the simulation of two-phase jets*

Multiphase flows have received significant interest due to their occurrence in a multitude of natural and industrial applications. In this study, we perform the benchmarking of solvers for the simulation of two-phase jets. The Navier-Stokes equation are solved under the assumption of the single-fluid formulation and therefore, the interfacial location must be also determined as part of the solution. We evaluate solvers based on both interface-capturing methods (such as Basilisk and OpenFOAM) and interface-tracking methods. We consider the scenario of a water drop formation from a cylindrical nozzle and the accuracy of the different solvers is compared with experimental results, in terms of jet-shape and drop-size. A thorough study in terms of the computational requirements (e.g., grid resolution) and the computational cost is also performed.