Numerical investigation of evaporation of a single ethanol/iso-octane droplet

被引：41
|
作者：
Banerjee, R. [1 ]
机构：
[1] Indian Inst Technol Hyderabad, Dept Mech Engn, Yeddumailaram 502205, AP, India
来源：
FUEL | 2013年 / 107卷
关键词：
Droplet evaporation; Two-phase flow; VOF; Multicomponent fluid; MULTICOMPONENT DROPLET; MASS-TRANSFER; CONTINUOUS THERMODYNAMICS; MODEL; FUEL; SIMULATION; LIQUID; HEAT; COMBUSTION; PRESSURE;
D O I：
10.1016/j.fuel.2013.01.003
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Numerical study has been performed to analyse evaporation of a single droplet composed of a binary mixture of ethanol and iso-octane. The Navier-Stokes equations are solved in conjunction with VOF multiphase model to track the liquid/gas interface over time. Ethanol and iso-octane form a highly non-ideal mixture and therefore the UNIFAC group contribution method was used to determine the vapour-liquid equilibrium (VLE). Source terms due to interfacial mass transfer were implemented in the continuity, momentum, energy and species equations. Commercial computational fluid dynamics solver, Ansys Fluent 13.0 was used in this study. VLE, mixture transport properties and source terms due to interfacial mass transfer were implemented using user defined functions. Parametric study to analyse the effect of free stream temperature and composition, droplet temperature and composition was performed. (c) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：724 / 739
页数：16
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