Numerical simulation of droplet impinging icing process on a low temperature wall with smoothed particle hydrodynamics method

Based on the basic principles and improved algorithms of the smoothed particle hydrodynamics method, a corresponding surface tension model and latent heat model are proposed for the heat exchange phase transition problem of droplets impinging on a low temperature wall surface. This research establishes a novel smoothed particle hydrodynamics model of the impinging wall of droplets accompanied by the phase transition process. This work also includes simulations cov?ering the spreading flow and phase transition process of droplets under different impingement regimes. Moreover, the icing patterns of the droplet impingement spreading process are provided and a comparative analysis with related experi?mental results. The improved smoothed particle hydrodynamics model is verified by experiments and its ability to solve droplet impingement icing problems.