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equivalent electric field
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  等效电场强度
     The results indicate that when discharge happens in part of discharge gap, dielectric layers equivalent capacitance, gap equivalent capacitance and equivalent electric field of discharge gap have great discrepancy in different frequency;
     结果表明:当放电只发生在间隙局部时,电介质层等效电容、间隙等效电容和等效电场强度在不同频率时在数值上相差很大;
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  等效电场
     The results indicate that when discharge happens in part of discharge gap, dielectric layers equivalent capacitance, gap equivalent capacitance and equivalent electric field of discharge gap have great discrepancy in different frequency;
     结果表明:当放电只发生在间隙局部时,电介质层等效电容、间隙等效电容和等效电场强度在不同频率时在数值上相差很大;
短句来源
     When an impulse of high power microwave is propagated, the variation of electron concentration and refractive index accompanying with that of equivalent electric field atmospheric pressure is introduced in this paper.
     本文分析计算了高功率微波传输一个脉冲后折射指数随脉冲宽度、微波等效电场和大气压强的变化,并由此得到不同条件下的场强击穿阈值。
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  equivalent electric field
In these studies there was an equivalent electric field in the sham and magnetic field exposure conditions.
      


At the flow of N_2, change of discharge parameters of DBD at atmospheric pressure with applied voltage and applied frequency changing and influence of configuration factor are investigated experimentally. The results indicate that when discharge happens in part of discharge gap, dielectric layers equivalent capacitance, gap equivalent capacitance and equivalent electric field of discharge gap have great discrepancy in different frequency; When discharge is full of discharge gap, each equivalent discharge...

At the flow of N_2, change of discharge parameters of DBD at atmospheric pressure with applied voltage and applied frequency changing and influence of configuration factor are investigated experimentally. The results indicate that when discharge happens in part of discharge gap, dielectric layers equivalent capacitance, gap equivalent capacitance and equivalent electric field of discharge gap have great discrepancy in different frequency; When discharge is full of discharge gap, each equivalent discharge parameter is around definite numerical value. Power density increases linearly with applied voltage increasing and increases with applied frequency increasing. Each discharge parameter has nothing to do with position of dielectric layers and has something to do with breadth of discharge gap.

在大气压、氮气条件下,对DBD相关放电参量随激励电压和激励频率的变化情况以及结构因素对DBD放电参量的影响作了实验研究.结果表明:当放电只发生在间隙局部时,电介质层等效电容、间隙等效电容和等效电场强度在不同频率时在数值上相差很大;当放电充满整个间隙时,各等效放电参量在相同激励频率下基本保持在一定值附近.能量密度随激励电压的增加而线性增加,随频率的增大而增大.各放电参量与电介质层放置的位置无关,与放电间隙宽度的变化密切相关.

The intense field of high power microwave causes ionization of neutral particle in atmosphere and the plasma comes into being. The ionization frequency of neutral particle relates to electric field intensity and atmospheric pressure. When an impulse of high power microwave is propagated, the variation of electron concentration and refractive index accompanying with that of equivalent electric field atmospheric pressure is introduced in this paper.

高功率微波的强电场引起大气中性粒子的电离形成等离子体,中性粒子的电离频率与电场强度、大气压强密切相关。本文分析计算了高功率微波传输一个脉冲后折射指数随脉冲宽度、微波等效电场和大气压强的变化,并由此得到不同条件下的场强击穿阈值。

On the basis of the assumption that the effects between neighbored particles could be negligible,the electrical charge for fraction particles with low volume was calculated.The assumption was not reasonable for fraction particles with high volume.The equivalent electric field strength,including the effects of particles,was presented to calculate the maximum field strengths on the surfaces of high-volume fraction particles to replace the primary electric field strength in the dipole model.In...

On the basis of the assumption that the effects between neighbored particles could be negligible,the electrical charge for fraction particles with low volume was calculated.The assumption was not reasonable for fraction particles with high volume.The equivalent electric field strength,including the effects of particles,was presented to calculate the maximum field strengths on the surfaces of high-volume fraction particles to replace the primary electric field strength in the dipole model.In comparison with those calculated by the finite element method,the results showed that it was accurate for high-volume fraction particles with various dielectric constants.According to the mechanism of electrical charge,the approximate formulas for the saturation charge and the charges to time for the high-volume fraction particles were derived. With the increase of the electric field strength,the particles' radius,the dielectric constant of particles and the volume fraction of particles;the electric charged rose.It showed that there was positive correlation between the velocity of charging and the volume fraction of particles.

采用包含颗粒间相互作用的等效场强代替原外场,利用点偶极子模型计算出高占空比颗粒表面的最大场强,并与有限元法的计算结果进行比较,结果表明,对于具有不同介电常数的颗粒来说,在颗粒占空比较高时,这种方法仍具有足够的精度.根据颗粒场致荷电的机理,进一步推导出计算高占空比颗粒电场饱和荷电量和随时间变化的荷电量的近似公式.结果表明,颗粒电场荷电量不仅随场强、颗粒粒径和介电常数的增大而增大,还随颗粒占空比的增大而增大;颗粒电场荷电的速率与颗粒占空比相关,占空比越大,荷电速率越大.

 
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