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中文摘要：
为研究电晕放电过程中影响离子分布的因素,用针-板电极电晕放电装置,通过改变放电空间的大小,测量了不同放电电压下接地极板不同区域的电流分布。并通过电场模拟及离子风流场模拟,分析了负电晕放电过程中电场强度、离子风、空间离子之间相互作用的关系。结果表明：在针-板电电极晕放电过程中,空间离子的运动状态与放电电场强度和离子风流场分布相互干扰,最终形成离子在电场中的分布状态;放电电场强度是影响离子运动轨迹的主导因素,但是随着电场强度的减弱,离子风流场逐渐形成,离子风将携带部分离子运动,因此,此时离子风的流场形式是影响离子运动状态的主要因素。通过对离子在电场中的运动状态分析,为解决放电场中离子与电场中物质相互作用提供了理论支持。
英文摘要：
In order to study the effect of influencing factors on ions in the process of corona discharge, we used a nee- dle-to-plate corona discharge device, by changing the size of the discharge space, to measure the current distribution in different area of the plate on different discharge voltage. Through the simulation of electric field and ionic wind, we ana- lyzed the relationship between electric field intensity, ion wind, and ions interaction in the process of negative corona discharge. The results show that, in the process of needle-to-plate corona discharge, the state of ions motion, the strength of discharge electric field, and the distribution of ionic wind interfer with each other, finally the distribution of ions in the electric field is formed. The electric field is the main factor affecting the ions trajectory, but with the weakening of the electric field, the ionic wind field gradually forms, the ionic wind will carry part of the ions moving together, when the flow field form of ionic wind is the main factors affecting the ions motion. By analyzing the motion of ions in the electric field, the theoretical support is provided for solving the interaction between ions and electric field in discharge electric field.
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