The Influence of Fuel-Air Swirl Intensity on Flame Structures of Syngas Swirl-Stabilized Diffusion Flame

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	The Influence of Fuel-Air Swirl Intensity on Flame Structures of Syngas Swirl-Stabilized Diffusion Flame
	Yunhan Xiaol; Yue Wangl; Zhedian Zhang1; Kejin Mu2; Yan Xiong1; Weiwei Shao1
刊名	JOURNAL OF THERMAL SCIENCE
	2010
卷号	19 期号:3 页码:276,283
关键词	Diffusion Flame Swirl Intensity Flame Structure Oh-plif
英文摘要	Flame structures of a syngas swirl-stabilized diffusion flame in a model combustor were measured using the OH-PLIF method under different fuel and air swirl intensity. The flame operated under atmospheric pressure with air and a typical low heating-value syngas with a composition of28.5% CO, 22.5% H2 and 49% N2 at a thermal power of 34 kW. Results indicate that increasing the air swirl intensity with the same fuel, swirl intensity flame structures showed little difference except a small reduction of flame length; but also, with the same air swirl in- tensity, fuel swirl intensity showed great influence on flame shape, length and reaction zone distribution. There fore, compared with air swirl intensity, fuel swirl intensity appeared a key effect on the flame structure for the model combustor. Instantaneous OH-PLIF images showed that three distinct typical structures with an obvious difference of reaction zone distribution were found at low swirl intensity, while a much compacter flame structure with a single, stable and uniform reaction zone distribution was found at large fuel-air swirl intensity. It means that larger swirl intensity leads to efficient, stable combustion of the syngas diffusion flame.
公开日期	2013-01-06
内容类型	期刊论文
源URL	[http://ir.etp.ac.cn/handle/311046/51621]
专题	工程热物理研究所_Journal of Thermal Science
推荐引用方式 GB/T 7714	Yunhan Xiaol,Yue Wangl,Zhedian Zhang1,et al. The Influence of Fuel-Air Swirl Intensity on Flame Structures of Syngas Swirl-Stabilized Diffusion Flame[J]. JOURNAL OF THERMAL SCIENCE,2010,19(3):276,283.
APA	Yunhan Xiaol,Yue Wangl,Zhedian Zhang1,Kejin Mu2,Yan Xiong1,&Weiwei Shao1.(2010).The Influence of Fuel-Air Swirl Intensity on Flame Structures of Syngas Swirl-Stabilized Diffusion Flame.JOURNAL OF THERMAL SCIENCE,19(3),276,283.
MLA	Yunhan Xiaol,et al."The Influence of Fuel-Air Swirl Intensity on Flame Structures of Syngas Swirl-Stabilized Diffusion Flame".JOURNAL OF THERMAL SCIENCE 19.3(2010):276,283.