Large eddy simulation of turbulent premixed combustion flows over backward facing step

被引：0
|
作者：
Nam Seob Park
Sang Cheol Ko
机构：
[1] Yuhan University,Department of Mechanical Engineering
[2] Jeonju University,Department of Mechanical and Automotive Engineering
来源：
Journal of Mechanical Science and Technology | 2011年 / 25卷
关键词：
Large eddy simulation; Turbulent premixed flame; Dynamic sub-grid G-equation model; Backward facing step flow; Turbulent flame speed;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Large eddy simulation (LES) of turbulent premixed combustion flows over backward facing step has been performed using a dynamic sub-grid G-equation flamelet model. A flamelet model for the premixed flame is combined with a dynamic sub-grid combustion model for the filtered propagation of flame speed. The objective of this study is to investigate the validity of the dynamic sub-grid G-equation model in a complex turbulent premixed combustion flow. For the purpose of validating the LES combustion model, the LES of isothermal and reacting shear layer formed at a backward facing step is carried out. The calculated results are compared with the experimental results, and a good agreement is obtained.
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收藏
页码：713 / 719
页数：6
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