Partially premixed flamelets in LES of nonpremixed turbulent combustion

被引：139
|
作者：
Domingo, P
Vervisch, L
Bray, K
机构：
[1] Inst Natl Sci Appl Rouen, UMR CNRS 6614, CORIA, F-76801 St Etienne, France
[2] Univ Cambridge, Dept Engn, Cambridge CB2 1PZ, England
来源：
COMBUSTION THEORY AND MODELLING | 2002年 / 6卷 / 04期
关键词：
D O I：
10.1088/1364-7830/6/4/301
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Partially premixed flames are observed in nonpremixed turbulent combustion when fuel and oxidizer have mixed before burning. This combustion regime combines the properties of. both premixed and diffusion flames. A procedure based on the resolved fields is,proposed to associate, premixed and diffusion flame descriptions in large eddy simulation. Using basic and well known subgrid modelling of premixed and diffusion flames; the proposed methodology is tested for flames lifted in a two-dimensional turbulent wake. Very recent experimental observations concerning the dynamics of the flow field at the turbulent flame base are reproduced.
引用
收藏
页码：529 / 551
页数：23
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