An analysis of local quantities of turbulent premixed flames using DNS databases

被引：0
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作者：
Tsuboi, Kazuya [1 ]
Nishiki, Shinnosuke [1 ]
Hasegawa, Tatsuya [1 ]
机构：
[1] Nagoya Univ, Chikusa Ku, EcoTopia Sci Inst, Nagoya, Aichi 4648603, Japan
来源：
PROCEEDINGS OF THE ASME/JSME THERMAL ENGINEERING SUMMER HEAT TRANSFER CONFERENCE 2007, VOL 1 | 2007年
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中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
An analysis of local flame area was performed using DNS (Direct Numerical Simulation) databases of turbulent premixed flames with different density ratios and with different Lewis numbers. Firstly, a local flame surface at a prescribed progress variable was identified as a local three-dimensional polygon. And then the polygon was divided into some triangles and local flame area was evaluated. The turbulent burning velocity was evaluated using the ratio of the area of turbulent flame to that of planar flame and compared with the turbulent burning velocity obtained by the reaction rate.
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页码：623 / 629
页数：7
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