Preliminary Investigation of a Dielectric Barrier Discharge Lamp in Open Air at Atmospheric Pressure

Preliminary Investigation of a Dielectric Barrier Discharge Lamp in Open Air at Atmospheric Pressure
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大气压力下露天介质阻挡放电灯的初步研究

DOI:
10.1088/0256-307x/28/8/085201
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发表时间:
2011-08
影响因子:
3.5
通讯作者:
Liang Rong-Qing
Liang Rong-Qing
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Liu Feng;Wang Wei-Wei;Chang Xi-Jiang;Liang Rong-Qing

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在大气压下的露天环境中,使用频率为 10 kHz 的正弦电源来研究介质阻挡放电 (DBD) 灯。随着施加电压的增加,会出现不同的放电现象。在相对较低的电压下,放电状态为弱光的一般随机丝状放电。然而,在较高的电压下,石英管壁被等离子体急剧加热,然后很快发出耀眼的光芒,形成DBD灯,对应于低于点燃电压的低维持电压。 DBD灯对应辉光放电的放电状态或模式是根据电路电流的波形推导出来的,这与丝状放电明显不同。在这些条件下,DBD 灯的光谱在 400-932 nm 范围内连续,在 300-932 nm 范围内扫描。还表明存在另一种不同于传统丝状放电的放电状态或模式。因此,可以得出DBD灯的放电状态或模式是辉光放电的结论。
A dielectric barrier discharge (DBD) lamp is investigated by using sinusoidal power with a 10 kHz frequency in open air at atmospheric pressure. With increasing applied voltages, the different discharge phenomena appear. At relatively low voltages, the discharge states are general stochastic filamentary discharges with weak light. However, at relatively high voltages, the walls of quartz tubes are heated sharply by plasma, and then the dazzling light is emitted very quickly to form the DBD Lamp, corresponding to the low maintaining voltage that is lower than the ignited voltage. The discharge state or mode of the DBD lamp that corresponds to the glow discharge is deduced according to the wave form of the circuit current, which is evidently different from the filamentary discharges. Under these conditions, the spectrum of the DBD lamp is continuous in the range 400–932 nm, which is scanned in the range 300–932 nm. It is also shown that there is another discharge state or mode that is different from the traditional filamentary discharges. Therefore, it is concluded that the discharge state or mode of the DBD lamp is a glow discharge.
DOI: 10.1088/0022-3727/34/18/315
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