对拉伸层流扩散火焰面进行了数值模拟,考察了在以往湍流燃烧的火焰面模型中,假定Lewis数等于1的可靠性,研究了不同分子扩散和火焰辐射对火焰面结构、氮氧化物排放和熄火临界的影响.计算结果表明,Lewis数等于1的假定在火焰面结构的计算中存在很大的近似性,火焰辐射可以引起低拉伸条件下的熄火临界.
参考文献
| [1] | F.A. Williams .Progress in knowledge of flamelet structure and extinction[J].Progress in energy and combustion science,2000(4/6):657-682. |
| [2] | Peters N .Laminar Diffusion Flamelet Models in Non- premixed Turbulent Combustion[J].Progress in Energy and Combustion Science,1984,10:319-339. |
| [3] | 王海峰,陈义良,蔡晓丹,李艺.湍流射流扩散火焰的层流火焰面模拟[J].推进技术,2003(01):58-62. |
| [4] | Pitsch H.;Peters N. .A consistent flamelet formulation for non-premixed combustion considering differential diffusion effects[J].Combustion and Flame,1998(1/2):26-40. |
| [5] | Barths H;Peters N;Brehm N.Simulation of Pollutant Formation in a Gas-turbine Combustor Using Unsteady Flamelets[A].The Combustion Institute,1998:1841-1847. |
| [6] | R. S. Barlow;A. N. Karpetis;J. H. Frank;J. -Y. Chen .Scalar profiles and NO formation in laminar opposed-flow partially premixed methane/air flames[J].Combustion and Flame,2001(3):2102-2118. |
| [7] | Radhakrishnan K;Hindmarsh A C .Description and Use of LSODE the Livermore Solver for Ordinary Differential Equations[R].Livermore National Laboratory ReportUCRL-1D-113855,1993. |
| [8] | 董刚,刘宏伟,陈义良.通用甲烷层流预混火焰半详细化学动力学机理[J].燃烧科学与技术,2002(01):44-48. |
| [9] | Kee R J;Rupley F M;Miller J A .CHEMKIN-Ⅱ: A Fortran Chemical Kinetics Package for the Analysis of Gasphase Chemical Kinetic[R].Sandia Report SAND89-8009,1989. |
| [10] | Sung C J;Liu J B;Law C K .Structural Response of Counterflow Diffusion Flames to Strain Rate Variations[J].Combustion and Flame,1995,102:481-492. |
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