Dielectric Barrier Discharge and Its Applications
Dielectric Barrier Discharge and Its Applications
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发表时间：
2009
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通讯作者：
W. Xinxin
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作者：
W. Xinxin
为了更全面地了解介质阻挡放电(DBD)，本文从介质阻挡放电(DBD)的物理基础出发，对DBD的研究进行了综述。提出了区分均匀放电和丝状放电的最好方法是拍摄曝光时间约为10 ns的照片。即使是真正的均匀放电，也要进一步区分辉光放电和汤森放电。获得大气压均匀放电的唯一方法是通过增加引发放电的种子电子使放电在较低的电场下进行。最近，在氦和氮中已经获得了大气压下的均匀放电，介绍了DBD等离子体的三种工业应用，包括先进的臭氧发生器、铝箔表面的连续双面处理、等离子体显示面板等。
In order to comprehensively understand DBD,we reviewed the investigations of dielectric barrier discharge(DBD) by focusing on the physics related to the uniform discharge at atmospheric pressure.It is suggested that the best way to distinguish a uniform discharge from a filamentary one is to take a picture with an exposure time of about 10 ns.Even for a real uniform discharge,it is important to further distinguish a glow discharge from a Townsend discharge.The only way to get a uniform discharge at atmospheric pressure is to make the discharge at a lower electric field by increasing the seed electrons initiating the discharge.Recently,the uniform discharges at atmospheric pressure have been obtained in helium and nitrogen,i.e.,subnormal glow discharge in helium and Townsend discharge in nitrogen.Moreover,we briefly introduced three industrial applications of DBD plasmas,including the advanced ozone generator,continuous double-sided treatment of foil surface,plasma display panel.