多针对板式负电晕放电电极间距确定  

Determination of Clearance between Electrodes of Multi-needle to Plate for Negative Corona Discharge

作　　者：王晓臣[1] 朱益民[1] 

机构地区：[1]大连海事大学环境学院非热放电应用研究室,大连116026

出　　处：《高电压技术》2003年第7期40-42,共3页High Voltage Engineering

基　　金：国家自然科学基金联合基金(50208005);国家自然科学基金(50276006)

摘　　要：分析了针尖和针板间距与放电功率密度的关系。放电功率密度随针尖间距的增大总体呈下降趋势,但针尖间距在9～20mm间变化时放电功率密度变化不大,考虑到放电稳定性和反应器制作成本选择针尖间距为20mm。放电功率密度随针板间距的增大而下降;在中等针板间距(约20mm)下,放电具有最大可注入功率密度。With different space between needle to needle and needles to plane, the experiments of negative corona discharge have been conducted. Meanwhile, the effects of the space on discharge energy density have been analyzed theoretically. Generally, discharge energy density reduces with increase of space between needle and needle, but it has small change when the space is in the range from 9 mm to 20 mm. Considering the stability of the discharge and the manufacture cost of the discharge reactor, 20mm space is suggested. At the same time, discharge energy density reduces with increase of space between needles and plane, and the allowable discharge energy density is up to its maximum when the space is about 20 mm.

关 键 词：板式负电晕放电 放电特性 电极间距 放电功率密度 

分 类 号：O461[理学—电子物理学]