利用阶梯光栅光谱仪与自行研制的水雾协流管式燃烧器,对富燃料甲烷/空气层流预混火焰化学发光特性进行实验研究.分析了锥形预混火焰燃烧过程中火焰面OH、CH以及C2自由基粒子光谱强度分布规律,以及水雾协流作用下的预混火焰发射光谱特性,探讨了水雾液滴对富燃料甲烷预混火焰发射光谱的影响.实验结果表明:当水雾量充足时,作用于内锥火焰阵面的水雾液滴使得火焰阵面OH、CH以及C2自由基粒子发射光谱强度减弱,抑制预混火焰燃烧;当作用于火焰面的水雾载荷比较小时,富燃料预混火焰的OH、CH的发射光谱强度得到一定程度的增强.
参考文献
| [1] | Gaydon A G.Flames:Their Structure,Radiation and Temperature[M].London:Chapman and Hall,1970:145-155. |
| [2] | Jun Kojima;Yuji Ikeda;Tsuyoshi Nakajima;Junichi Furukawa .Chemiluminescence-based diagnostics for the flame-front structure of premixed flames[J].日本機械学会論文集. B編,2003(678):482-489. |
| [3] | Yuji Ikeda;Jun Kojima;Tsuyoshi Nakajima .Local chemiluminescence spectra measurement in laminar methane/air and propane/air premixed flames[J].日本機械学会論文集. B編,2003(677):200-206. |
| [4] | Gaydon A G.The Spectroscopy of Flames[M].London:Chapman and Hall,1957:273. |
| [5] | P. Chelin;C. Camy-Peyret;V. Pina;P. Alkhoury;D. Davidenko .Emission spectroscopy of hot water vapor from H_2-air deflagrative combustion in a closed cylinder[J].Combustion and Flame,2005(4):319-331. |
| [6] | 程智海,蔡小舒,岳俊,欧阳新,李俊峰,唐荣山.火焰特征辐射谱线测温方法实验研究[J].工程热物理学报,2007(z2):221-224. |
| [7] | Nazarenko, AY .Educational multiwavelength atomic emission spectrometer[J].Spectroscopy Letters,2004(3):235-243. |
| [8] | Bourayou R;Vaillon R;Sacadura J F .FTIR Low Resolution Emission Spectrometry of a Laboratory-Scale Diffusion Flame:Experimental Set-up[J].Experimental Thermal and Fluid Science,2002,26(2-4):181. |
| [9] | Nishioka M;Nakagawa S;Ishikawa Y et al.NO Emission Characteristics of Methane-Air Double Flame[J].Combustion and Flame,1994,98(1-2):127. |
| [10] | Kojima J;Ikeda Y;Nakajima T.Spatially Resolved Measurement of OH*,CH*,and C*2 Chemiluminescence in the Reaction Zone of Laminar Methane/Air Premixed Flames[M].Edinburgh,United Kingdom:Combustion Institute,2000:1757-1763. |
| [11] | Jun Kojima;Yuji Ikeda;Tsuyoshi Nakajima .Basic aspects of OH(A), CH(A), and C_2(d) chemiluminescence in the reaction zone of laminar methane-air premixed flames[J].Combustion and Flame,2005(1/2):34-45. |
| [12] | Seo T;Akamatsu F;Shibahara M et al.Simultaneous Measurements of Local Temperature and Chemiluminescence by Cassegrain Optics (1st Report,Measurement System and Error Estimation)[J].Transactions of Japan Society of Mechanical Engineers Series B,2005,71(708):2169. |
| [13] | Higgins B.;Lacas F.;Candel S.;McQuay MQ. .An experimental study on the effect of pressure and strain rate on CH chemiluminescence of premixed fuel-lean methane/air flames[J].Fuel,2001(11):1583-1591. |
| [14] | 朱迎春,刘晅亚,陆守香,秦俊.管式燃烧器烧嘴上方细水雾雾场特性的LDV/APV实验研究[J].火灾科学,2006(01):21-25. |
| [15] | 刘晅亚,陆守香,朱迎春,刘义,陈东梁.气体协流水雾作用下层流预混火焰拉伸规律[J].中国科学技术大学学报,2006(10):1057-1062. |
| [16] | 阿尔克梅德;赫尔曼;林守麟;寿曼立.分析火焰光谱学原理[M].北京:地质出版社,1984:5. |
| [17] | Teresa Parra;Francisco Castro;Cesar Mendez;Jose M. Villafruela;Miguel A. Rodriguez .Extinction of premixed methane-air flames by water mist[J].Fire safety journal: An international journal devoted to research on fire safety science and engineering,2004(7):581-600. |
| [18] | Eric Schwegler;Giulia Galli;Francis Gygi et al.Dissociation of Water Under Pressure[J].Physical Review Letters,2001,87(26-24):265-269. |
| [19] | 陆守香;何杰;于春红 等.水抑制瓦斯爆炸的机理研究[J].煤炭学报,1998,23(04):417-421. |
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%