Assessment of the Dynamic SGS Wrinkling Combustion Modeling Using the Thickened Flame Approach Coupled with FGM Tabulated Detailed Chemistry

Assessment of the Dynamic SGS Wrinkling Combustion Modeling Using the Thickened Flame Approach Coupled with FGM Tabulated Detailed Chemistry
复制标题

使用增厚火焰方法结合 FGM 详细化学表格评估动态 SGS 起皱燃烧模型

DOI:
10.1007/s10494-016-9715-8
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发表时间:
2016
期刊:
Flow, Turbulence and Combustion
影响因子:
--
通讯作者:
Janicka
Janicka
中科院分区:
--
文献类型:
--
作者:
Hosseinzadeh;Sadiki;Janicka

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The dynamic power-law wrinkling model proposed by Charlette et al. is coupled with Flamelet Generated Manifolds (FGM) tabulated chemistry combined with an artificially thickened flame model (ATF) for large eddy simulation. The dynamic formulation is similar to the “Germano” procedure and uses Taylor series based Gaussian filter. Thereby, the power-law wrinkling model parameter is considered to have both temporal and spatial dependency. Series of simulations are conducted for a lean premixed turbulent flame, using both dynamic and non-dynamic versions of the wrinkling model under different grid levels. The simulation results applying the non-dynamic wrinkling model show different behavior for each particular flame resolution, where none of the simulations could deliver the correct flame statistics, such as flame height. The dynamic version of the power-law wrinkling model improves the results independently of the flame resolution, as a consequence of the conservation of the total flame surface.
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DOI: --
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