Temperature-dependent transition of discharge pattern of He/air cryoplasma
Temperature-dependent transition of discharge pattern of He/air cryoplasma
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DOI：
10.1063/1.2976308
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发表时间：
2008-08
影响因子：
4
通讯作者：
J. Choi;Y. Noma;T. Tomai;K. Terashima
中科院分区：
文献类型：
--
作者：
J. Choi;Y. Noma;T. Tomai;K. Terashima
介质阻挡放电是在大气压下产生的，温度范围从室温到88K。放电产生的等离子体的气体温度由液氮控制，放电气体为氦和空气的混合物。我们发现，随着温度的降低，微放电呈现出与温度相关的比放电模式。这种放电模式的转变与击穿时间隙电压的变化密切相关。讨论了一种可能解释微放电转变模式的情景。
Dielectric barrier discharges were generated under atmospheric pressure at temperatures ranging from room temperature down to 88K. The gas temperature of the plasma generated by the discharges was controlled by liquid nitrogen, and a mixture of helium and air was used as the discharge gas. We found that microdischarges exhibited temperature-dependent specific discharge patterns as the temperature decreased. This transition of discharge patterns was closely related to the change in the gap voltage at breakdown. A possible scenario that may explain the pattern of the transition of the microdischarges is discussed.