2021/10/20 by Panagiotis Lyras, Antoine Hubert, Lyras, Panagiotis +3 · 1 citation
Agricultural and Biological Sciences · Engineering · #Computational Physics (physics.comp-ph) #FOS: Physical sciences #Fluid Dynamics (physics.flu-dyn) #Fluid Dynamics Simulations and Interactions #Fluid Dynamics and Heat Transfer #Plant Surface Properties and Treatments
paper · pdf · doi:10.48550/arxiv.2110.10753
openalex publication_date 2021/10/20 · openalex created_date 2022/07/25 · openalex updated_date 2026/07/28
In this paper, a methodology for modelling two-phase flows based on a\nconservative level set method in the framework of finite volume method is\npresented. The novelty of the interface capturing method used here lies on the\nadvection of level set which is solved with a WENO scheme and is corrected with\na novel re-initialisation method for retaining its signed distance function\ncharacter. The coupling with the volume of fluid method is done with a simple\nalgebraic approach and with the new algorithm the accumulated mass conservation\nerrors remain reasonably low. The paper presents a unique coupling between the\nlevel set method and the Eulerian-Lagrangian-Spray-Atomisation approach for\nmodelling spray dispersion in liquid atomisation systems. The method is shown\nto have good accuracy providing similar results to other numerical codes for\nthe classical tests presented. Preliminary results are also shown for\nthree-dimensional simulations of the primary break-up of a turbulent liquid jet\nobtaining results comparable to direct numerical simulations. Consequently, the\ncoupled method can be used for simulating various two-phase flow applications\noffering an accurate representation of the interface dynamics.\n