A dynamic flame surface density model for large eddy simulation of turbulent premixed combustion

被引：74
|
作者：
Knikker, R
Veynante, D [1 ]
Meneveau, C
机构：
[1] CNRS, Lab EM2C, F-92295 Chatenay Malabry, France
[2] Ecole Cent Paris, F-92295 Chatenay Malabry, France
[3] Johns Hopkins Univ, Dept Mech Engn, Baltimore, MD 21218 USA
来源：
PHYSICS OF FLUIDS | 2004年 / 16卷 / 11期
关键词：
D O I：
10.1063/1.1780549
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A dynamic formulation for a previously developed coupled fractal-similarity model for large eddy simulation of premixed combustion is proposed. In this formulation, the fractal dimension is obtained dynamically from the resolved scales, leaving the inner cutoff scale, representative for the smallest flame structures, as the only parameter to be prescribed. The fractal model provides an accurate estimate for the mean flame surface, whereas the similarity model predicts its spatial distribution. (C) 2004 American Institute of Physics.
引用
收藏
页码：L91 / L94
页数：4
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