采用平面火焰燃烧器实现了一种甲烷预混倒置焰锥抬升火焰,在没有发生放电击穿的条件下着重分析了高频高压电场对火焰的影响.实验观测发现倒置焰锥火焰的抬升高度受高频高压电场的增强而降低,并且焰锥夹角随电压的增加而减小.对照实验现象分析,结果表明由于高频高压电场带来的离子风效应较小,高频高压电场对火焰面中电子或离子参与的化学反应碰撞的增强可能是最主要的原因.
参考文献
[1] | Starikovskaia SM .Plasma assisted ignition and combustion[J].Journal of Physics, D. Applied Physics: A Europhysics Journal,2006(16):R265-R299. |
[2] | 郭鹏,陈正.NOχ对甲烷/空气着火过程的影响[J].燃烧科学与技术,2010(05):472-476. |
[3] | Timothy J. C. Dolmansley;Christopher W. Wilson;David A. Stone .Electrical Modification of Combustion and the Affect of Electrode Geometry on the Field Produced[J].Modelling and simulation in engineering,2011(2):10.1-10.13. |
[4] | Memdouh Belhi;Pascale Domingo;Pierre Vervisch .Direct numerical simulation of the effect of an electric field on flame stability[J].Combustion and Flame,2010(12):2286-2297. |
[5] | Cessou, A.;Varea, E.;Criner, K.;Godard, G.;Vervisch, P. .Simultaneous measurements of OH, mixture fraction and velocity fields to investigate flame stabilization enhancement by electric field[J].Experiments in Fluids: Experimental Methods and Their Applications to Fluid Flow,2012(4):905-917. |
[6] | Min Kuk Kim;Suk Ho Chung;Hwan Ho Kim .Effect of electric fields on the stabilization of premixed laminar bunsen flames at low AC frequency: Bi-ionic wind effect[J].Combustion and Flame,2012(3):1151-1159. |
[7] | Hu J.;Sher E.;Rivin B. .The effect of an electric field on the shape of co-flowing and candle-type methane-air flames[J].Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics,2000(1/3):124-133. |
[8] | Memdouh Belhi;Pascale Domingo;Pierre Vervisch .Direct numerical simulation of the effect of an electric field on flame stability[J].Combustion and Flame,2010(12):2286-2297. |
[9] | 李腾,魏小林,覃建果.非热等离子体对甲烷扩散火焰影响的实验研究[J].工程热物理学报,2013(03):572-575. |
[10] | G Hartung;J Hult;C F Kaminski .A flat flame burner for the calibration of laser thermometry techniques[J].Measurement Science & Technology,2006(9):2485-2493. |
[11] | 王丰华,朱子述.EHD强化传热中的电晕放电与离子风[J].高压电器,2003(06):43-46. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%