Active control of combustion stability by means of an electrical discharge

被引：0
|
作者：
V. V. Afanas’ev
机构：
[1] Chuvash State University,
来源：
Combustion, Explosion and Shock Waves | 1999年 / 35卷
关键词：
Combustion Chamber; Heat Release Rate; Combustion Zone; Pressure Oscillation; Flame Surface;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A new method is proposed for controlling unstable combustion in combustion chambers by organizing a diffuse electrical discharge in the combustion zone with a special power supply that has an impedance that varies with the control task. The maximum shunt currents in the combustion zone of propane-air mixtures are determined as a function of the mixture composition. It is shown experimentally that when a constant current discharge is imposed on the combustion zone, unstable combustion is automatically suppressed at all harmonics, simultaneously, as a result of internal negative feedback. When a constant voltage discharge is applied, the opposite effect is seen, with the excitation and enhancement of unstable combustion.
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页码：252 / 260
页数：8
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