发光斑图随放电功率转化研究

doi:10.3969/j.issn.1000-1565.2015.04.003

摘要/Abstract

摘要： 在氩气和空气的混合气体放电过程中,随着外加电压先增加后减小,放电丝经历了从少量的随机排布到规则的有序斑图并最终回到无序随机分布的演化过程.同时比较了不同湿度,其他放电参数相同条件下团簇斑图、振动超六边形斑图及谐振超六边形斑图.在实验中,保持驱动频率为53 kHz,将3 300 pF测试电容替换测试电阻,随斑图演化用示波器采集相应斑图的输出电压及电容两端的电压波形,利用电容电压计算得到放电期间流经电容的电荷量,拟合出李萨茹图形,进而得到放电间隙所消耗的功率.结果发现,随电压的先增加后减小,放电功率也呈现先增加后减小的变化趋势且放电功率随湿度的增加而增加.

关键词: 斑图, 湿度, 放电功率, 李萨茹图形

Key words: pattern, humidity, discharge power, Lissajous figure

中图分类号:

O434

商洁. 发光斑图随放电功率转化研究[J]. 河北大学学报(自然科学版), 2015, 35(4): 348-353.

SHANG Jie. On the luminous pattern with the evolution of discharge power[J]. Journal of Hebei University (Natural Science Edition), 2015, 35(4): 348-353.

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