THERMAL SCIENCE

International Scientific Journal

Thermal Science - Online First

online first only

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

ABSTRACT
Based on the basic principles and improved algorithms of the smoothed particle hydrodynamics (SPH) 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 SPH model of the impinging wall of droplets accompanied by the phase transition process. This work also includes simulations covering 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 experimental results. The improved SPH model is verified by experiments and its ability to solve droplet impingement icing problems.
KEYWORDS
PAPER SUBMITTED: 2021-04-13
PAPER REVISED: 1970-01-01
PAPER ACCEPTED: 2021-08-07
PUBLISHED ONLINE: 2021-09-04
DOI REFERENCE: https://doi.org/10.2298/TSCI210413258Z
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