本文实验研究了高频交变电场对甲烷/空气扩散火焰的影响,在较大的电压变化范围内对比了火焰的形态、中间产物浓度和燃烧产物组成的变化.实验结果表明,随着电场电压从零开始不断增大直到发生气体放电,CH和OH的体积浓度先减小后增大,最后维持在比较稳定的范围内;产物中NO的体积分数先减小,后增大,发生气体放电后急剧减小,而CO体积分数变化与NO正好相反.发生气体放电时不完全燃烧加剧,火焰不稳定性增强.
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