利用平面激光诱导荧光(OH-PLIF)技术测量了CH4/air预混湍流火焰前锋面结构,通过图片处理得到了测量平面上的二维火焰面密度.基于不同的假设建立了三种不同模型,利用二维探测得到的火焰面信息来估计三维火焰面密度在测量面上的值,通过积分三维火焰面密度估计值得到燃烧系统的燃料消耗率.结果表明,预混湍流火焰前锋面为凹凸的褶皱结构,平面测量的二维火焰面密度明显低估了真实的火焰面密度,利用模型估计得到的3D火焰面密度对2D值有明显的改善.燃烧系统的燃料消耗率可以用来评估模型的可靠性,结果表明模型的误差都在40％以内.
参考文献
| [1] | Jinhua Wang;Meng Zhang;Zuohua Huang;Taku Kudo;Hideaki Kobayashi .Measurement of the instantaneous flame front structure of syngas turbulent premixed flames at high pressure[J].Combustion and Flame,2013(11):2434-2441. |
| [2] | James F. Driscoll .Turbulent premixed combustion: Flamelet structure and its effect on turbulent burning velocities[J].Progress in energy and combustion science,2008(1):91-134. |
| [3] | Veynante, D.;Lodato, G.;Domingo, P.;Vervisch, L.;Hawkes, E.R. .Estimation of three-dimensional flame surface densities from planar images in turbulent premixed combustion[J].Experiments in Fluids: Experimental Methods and Their Applications to Fluid Flow,2010(1):267-278. |
| [4] | Meng Zhang;Jinhua Wang;Yongliang Xie;Zhilong Wei;Wu Jin;Zuohua Huang;Hideaki Kobayashi.Measurement on instantaneous flame front structure of turbulent premixed CH_4/H_2/air flames[J].Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics,2014:288-296. |
| [5] | 张猛,王金华,谢永亮,卫之龙,金武,黄佐华.利用OH-PLIF测量CH4/H2/空气混合气湍流燃烧速率[J].燃烧科学与技术,2013(06):512-516. |
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