NUMERICAL SIMULATION OF EVAPORATION AND DEFORMATION OF A SINGLE N-HEPTANE DROPLET UNDER FORCED CONVECTIVE CONDITION

被引：2
|
作者：
Jin, Zi-Cheng [1 ]
Wang, Zheng-Yu [1 ]
Sun, Chuang [1 ]
Sun, Feng-Xian [2 ]
机构：
[1] Harbin Inst Technol, Sch Energy Sci & Engn, 92 West Dazhi St, Harbin 150001, Heilongjiang, Peoples R China
[2] Harbin Engn Univ, Sch Power & Energy Engn, Harbin 150001, Heilongjiang, Peoples R China
来源：
ATOMIZATION AND SPRAYS | 2018年 / 28卷 / 12期
基金：
中国国家自然科学基金;
关键词：
droplet; evaporation; deformation; VOF method; TEMPERATURE PROFILE MODEL; FUEL DROPLET; TRANSIENT EVAPORATION; VAPORIZATION MODEL; COMBUSTION; BREAKUP; GAS;
D O I：
10.1615/AtomizSpr.2019027077
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A numerical model for the evaporation and deformation of droplets is presented and validated against the experimental data under various temperature conditions. The model is based on a standard multiphase flow solver in OpenFOAM, and the Volume of Fluid method with surface compression is used to capture the interface. In contrast to the original solver, the energy and concentration equations are additionally solved; beyond that, an algorithm with parallel computing ability is developed to compute the evaporation source term by using the local vapor concentration gradient. Detailed numerical simulations are performed for a single n-heptane droplet under forced convective condition. Investigations of flow variables in both gaseous and liquid phases are presented. Finally, the effects of free stream temperature, Reynolds number, and deformation on the droplet evaporation are discussed.
引用
收藏
页码：1101 / 1122
页数：22
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