Sensitivity of VOF simulations of the liquid jet breakup to physical and numerical parameters

被引：37
作者：
Grosshans, H. [1 ,5 ]
Movaghar, A. [2 ]
Cao, L. [3 ]
Oevermann, M. [2 ]
Szasz, R. -Z. [1 ]
Fuchs, L. [4 ]
机构：
[1] Lund Univ, Div Fluid Mech, Lund, Sweden
[2] Chalmers Univ Technol, Dept Appl Mech, Gothenburg, Sweden
[3] Nanjing Univ Informat Sci & Technol, Key Lab Aerosol Cloud Precipitat, China Meteorol Adm, Nanjing, Peoples R China
[4] KTH, Dept Mech, Stockholm, Sweden
[5] Catholic Univ Louvain, Inst Mech Mat & Civil Engn, Louvain La Neuve, Belgium
来源：
COMPUTERS & FLUIDS | 2016年 / 136卷
关键词：
Multiphase flows; LES; Fluid properties; VOF/DAN/DAC; ODT; ONE-DIMENSIONAL TURBULENCE; SURFACE-TENSION; PRIMARY ATOMIZATION; FUEL ATOMIZATION; TRACKING METHOD; FLUID METHODS; VOLUME; FLOWS; MODEL; ILLUMINATION;
D O I：
10.1016/j.compfluid.2016.06.018
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this paper the characteristics of the primary breakup of a liquid jet is analyzed numerically. We applied the Volumes of Fluids (VOF) approach utilizing the Direction Averaged Curvature (DAC) model, to estimate the interface curvature, and the Direction Averaged Normal (DAN) model, to propagate the interface. While being used for the first time to predict liquid atomization, this methodology showed a high accuracy. The influence of varying the fluid properties, namely liquid-gas density and viscosity ratio, and injection conditions is discussed related to the required grid resolution. Resulting droplet sizes are compared to distributions obtained through the One-Dimensional Turbulence (ODT) model. (C) 2016 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：312 / 323
页数：12
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