采用理论分析和粒子模拟的方法研究了阴极发射电子初始能量和二维效应对二极管空间电荷限制流的修正。
The 2-d effect and the initial energy influence of emitting electrons on space-charge-limiting current in diode are studied by PIC simulation and theoretical analysis.
对其相关束流特性进行了理论分析，得到了同轴空间径向传输空间电荷限制电流，以及虚阴极产生的条件和电子束运动的基本规律。
Theoretical analyses are carried out to study the space-charge-limiting current in coaxial configuration and the terms of virtual cathode formation.
本文试图给出一个普适的统一的理论公式，它考虑了空间电荷限制效应和温度的影响，并且对场强也没有特别的限制，可用于金属FEA的数值计算。
The paper give a generalized theory equation with space charge effect. It does not restrict the range of Temperature and Field strength, It can use for metal FEA numerical calculation.
本文试图给出一个普适的统一的理论公式，它考虑了空间电荷限制效应和温度的影响，并且对场强也没有特别的限制，可用于金属FEA的数值计算。
The paper give a generalized theory equation with space charge effect. It does not restrict the range of Temperature and Field strength, It can use for metal FEA numerical calculation.
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