Characteristics of Plasma-Assisted Jet Flame and Its Application to Cross-Flow Methane-Air Combustion

被引：3
|
作者：
Wu, Wen Wei [1 ]
Ni, Guo Hua [1 ]
Guo, Qi Jia [1 ]
Zhao, Peng [1 ]
Li, Lin [1 ]
Meng, Yue Dong [1 ]
机构：
[1] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
来源：
IEEE TRANSACTIONS ON PLASMA SCIENCE | 2016年 / 44卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Efficiency; lean flammability limit (LFL); OH radical; plasma-assisted combustion (PAC); stability; IGNITION; DYNAMICS; KINETICS;
D O I：
10.1109/TPS.2016.2605441
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
A burner with a nonthermal arc plasma jet pilot flame in a cross-flow configuration was developed for plasma-assisted partial premixed combustion. It was demonstrated that the nonthermal arc plasma has significant effect on promoting the radical production and methane oxidation in jet flame. Moreover, the stability of the jet flame was improved by the plasma assistance, being less likely to be blown out by the horizontal airflow. The results also showed that broader lean flammability limit was obtained by plasma-assisted jet flame (plasma-JF) ignition, and it approached 0.45 under optimum experimental condition. Furthermore, it was found that better enhancement effects of plasma on combustion correspond to higher emission intensity of OH radical in plasma-JF.
引用
收藏
页码：2952 / 2959
页数：8
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