Stabilization of a swirled propane-air flame using a nanosecond repetitively pulsed plasma

被引:45
|
作者
Pilla, Guillaume L. [1 ]
Lacoste, Deanna A. [1 ]
Veynante, Denis [1 ]
Laux, Christophe O. [1 ]
机构
[1] Ecole Cent Paris, UPR 288, CNRS, Lab Energet Mol & Macroscop, F-92295 Chatenay Malabry, France
关键词
lean flame stabilization; nanosecond pulsed discharge;
D O I
10.1109/TPS.2008.927343
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
Stabilization of lean premixed flames is a very promising way to reduce pollutant emissions in industrial burners such as gas turbines or aircraft engines. By applying an ultrashort repetitively pulsed discharge (6.8 kV, 15-ns duration, 30 kHz), stable flames can be obtained under the equivalence ratio limit without plasma. In this paper, this technique is used to stabilize a confined propane-air flame created by a swirled injector. The discharge is generated using a ring high-voltage electrode placed 5 mm downstream of the exit of the injector.
引用
收藏
页码:940 / 941
页数:2
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