LES OF TURBULENT PREMIXED AND STRATIFIED COMBUSTION USING A SUB-GRID PDF METHOD

LES OF TURBULENT PREMIXED AND STRATIFIED COMBUSTION USING A SUB-GRID PDF METHOD
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使用子网格 PDF 方法研究湍流预混分层燃烧

DOI:
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发表时间:
2014
期刊:
影响因子:
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通讯作者:
A. Marquis
A. Marquis
中科院分区:
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文献类型:
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作者:
T. Brauner;W. Jones;A. Marquis

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对湍流预混V形火焰中的层化现象进行了数值研究。模拟进行了使用大涡模拟(LES)与过滤的概率密度函数(PDF)方程的方法的次网格的贡献,这是使用欧拉随机场方法解决。一个简化版本的GRI 3.0机制与15个反应步骤,涉及19种被用来模拟化学。所研究的结构是剑桥分层缝式燃烧器(CSSB),模拟了三种情况:预混、中等分层和高度分层,分层比分别为1.0、1.86和3.0。
A numerical investigation on the influence of stratification on a turbulent premixed V-shaped flame is conducted. Simulations are carried out using Large Eddy Simulation (LES) with a filtered probability density function (pdf) equation approach for the subgrid contributions, which is solved using the Eulerian stochastic field method. A reduced version of the GRI 3.0 mechanism with 15 reaction steps involving 19 species is employed to model the chemistry. The configuration being investigated is the Cambridge Stratified Slot Burner (CSSB), of which three conditions: premixed, moderately and highly stratified, with stratification ratios of 1.0, 1.86 and 3.0 respectively, are simulated.
DOI: 10.1016/j.proci.2010.06.076
发表时间: 2011
期刊: --
影响因子: --
作者:
W. Jones;V. N. Prasad
通讯作者: W. Jones;V. N. Prasad