Abstract

The objective of this work is to assess the performance of a dimensionally-split Cartesian cut-cell method for the numerical solution of a model for air and water droplet flow around aerodynamic bodies. The solver is implemented within a structured hierarchical adaptive mesh refinement (AMR) framework. A brief analysis of the mathematical model is given and the solution to the Riemann problem for the droplet phase is discussed. The dimensionally-split cut-cell approach is extended to facilitate the droplet phase equations. In particular, a modified boundary condition which accounts for collection efficiency is introduced. Validation case studies for dry air flow and water droplet laden flow are presented and the numerical results are compared to experimental data.

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