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非预混燃烧大涡模拟的代数二阶矩模型 被引量：3

Algebraic Second Order Moment Model in Large Eddy Simulation of Non-premixed Combustion
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摘要 一种改进的代数二阶矩燃烧模型被应用在Flame-D的大涡模拟中。代数二阶矩模型能够将化学反应速率的脉动项进行模拟,更准确地计算化学反应速率。在实际燃烧过程中,化学反应速率不仅与当地的温度以及组分浓度等相关,更与反应物的混合速率有密切的关系。研究考虑了亚网格尺度内混合速率对化学反应速率的影响,提出了改进的代数二阶矩模型。通过与相同模拟条件下的涡耗散概念模型的模拟结果以及实验结果进行对比,改进的代数二阶矩模型的准确性得到了验证,同时亚网格化学反应速率的模拟对总化学反应速率的影响也得到了研究。 A new revised algebraic second order moment(RASOM) model which is used in large eddy simulation(LES) of Flame-D is researched.The RASOM can take subgrid reaction rate into consider,so that predict more precise results.The reaction rate is not only related to the temperature and the species concentration but also the mixing rate.Considering subgrid mixing rate,RASOM model is used in simulation and the results is compared with experiment data and results obtained using eddy dissipation concept model.Thus the precision of the RASOM model is confirmed,and the effect of subgrid reaction rate is also studied.
作者 隋春杰 周力行 林博颖 杨帆 孔文俊
机构地区 中国科学院轻型动力重点实验室 中国科学院大学 清华大学航天航空学院
出处 《工程热物理学报》 EI CAS CSCD 北大核心 2014年第7期1424-1428,共5页 Journal of Engineering Thermophysics
基金 国家自然科学重点基金项目资助(No.50936005)
关键词 非预混燃烧 大涡模拟 代数二阶矩模型 亚网格混合速率 non-premixed combustion LES algebraic second order moment model subgrid mixing rate
分类号 TK16 [动力工程及工程热物理—热能工程]
  • 相关文献

参考文献12

  • 1周力行,李科,王方.Advances in Large-eddy Simulation of Two-phase Combustion (I) LES of Spray Combustion[J].Chinese Journal of Chemical Engineering,2012,20(2):205-211. 被引量：2
  • 2罗坤,王海鸥,樊建人,岑可法.旋流燃烧器复合小火焰模型的大涡模拟[J].工程热物理学报,2012,33(1):146-150. 被引量：6
  • 3宋金瓯,姚春德,解茂昭,刘增勇.柴油引燃天然气发动机燃烧模型的研究[J].内燃机学报,2003,21(5):303-307. 被引量：10
  • 4E. Knudsen,H. Pitsch.Capabilities and limitations of multi-regime flamelet combustion models[J].Combustion and Flame.2011(1)
  • 5K.-J. Nogenmyr,C. Fureby,X.S. Bai,P. Petersson,R. Collin,M. Linne.Large eddy simulation and laser diagnostic studies on a low swirl stratified premixed flame[J].Combustion and Flame.2008(1)
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二级参考文献25

  • 1Bowman C T, Hanson R K, Davidson D F, et al. GRI-Mech 3.0 [DB/OL]. [2010-6-15]. http://www.me. berkeley.edu/gri_mech/.
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  • 7Petersson P, Olofsson J, Brackman C, et al. Simulta- neous PIV/OH-PLIF, Rayleigh Thermometry/OH-PLIF and Stereo PIV Measurements in a Low-Swirl Flame [J]. Appl Opt, 2007, 46:3928- 3936.
  • 8Nogenmyr K J, Petersson P, Bai X S, et al. Large Eddy Simulation and Experiments of Stratified Lean Premixed Methane/Air Turbulent Flames [J]. Proc Combust Inst, 2007, 31:1467-1475.
  • 9Nogenmyr K J, Fureby C, Bai X S, et al. Large Eddy Simulation and Laser Diagnostic Studies on a Low Swirl Stratified Premixed Flame [J]. Combustion and Flame, 2009. 156:25-36.
  • 10Lesieur M, Metals O, Comte P. Large-Eddy Simulations of Turbulence [M]. Cambridge University Press, 2005.

共引文献14

同被引文献6

引证文献3

二级引证文献4

工程热物理学报
2014年 第7期

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