A weakly-compressible DNS formalism dedicated to evaporating turbulent liquid-gas flows - Archive ouverte HAL Accéder directement au contenu
Communication Dans Un Congrès Année : 2021

A weakly-compressible DNS formalism dedicated to evaporating turbulent liquid-gas flows

Résumé

This work intent to provide numerical tools, allowing simulations of two-phase flow incorporatingcompressible effects and a proper treatment of the jump conditions found at the interface dueto large density ratios and phase change. For achieving this task, first, the incompressiblelevel-set method for vaporizing two-phase flows proposed by Tanguy et al. [12] is revisitedand adapted to a conservative interface representation: The Coupled Level-set/Volume of Fluidmethod. In this context, results are presented for simulations of the evaporation of an isolatedstatic droplet. Then, the formalism is extended into a compressible one using as framework thepressure-based method proposed by Duret et al. [4]. For validation, a 3D simulation of a staticevaporating droplet is studied for showing the proper mass balance between the two phases.Finally, a 3D two-phase compressible Homogenous Isotropic Turbulence (HIT) configuration ispresented to demonstrate the potential of this method in presence of breakup, coalescence andevaporation processes.

Dates et versions

hal-03372960 , version 1 (11-10-2021)

Identifiants

Citer

Leandro Germes Martinez, Benjamin Duret, Julien Reveillon, Francois-Xavier Demoulin. A weakly-compressible DNS formalism dedicated to evaporating turbulent liquid-gas flows. International Conference of Liquid Atomization and Sprays Systems (ICLASS 2021), Aug 2021, Edinburgh, United Kingdom. ⟨10.2218/iclass.2021.5847⟩. ⟨hal-03372960⟩
48 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More