AbstractThe results of the experimental application of artificial thunderstorm cells of negative and positive polarities for the investigati'/> Application of Artificial Thunderstorm Cells for the Investigation of Lightning Initiation Problems between a Thundercloud and the Ground
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Application of Artificial Thunderstorm Cells for the Investigation of Lightning Initiation Problems between a Thundercloud and the Ground

机译：人工雷暴电池在雷云与地面雷电起因问题研究中的应用

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AbstractThe results of the experimental application of artificial thunderstorm cells of negative and positive polarities for the investigation of the lightning initiation problems between the thundercloud and the ground using model hydrometeor arrays are presented. Possible options of the initiation and development of a discharge between the charged cloud and the ground in the presence of model hydrometeors are established. It is experimentally shown that groups of large hydrometeors of various shapes significantly increase the probability of channel discharge initiation between the artificial thunderstorm cell and the ground, especially in the case of positive polarity of the cloud. The authors assume that large hail arrays in the thundercloud can initiate the preliminary breakdown stage in the lower part of the thundercloud or initiate and stimulate the propagation of positive lightning from its upper part. A significant effect of the shape of model hydrometeors and the way they are grouped on the processes of initiation and stimulation of the channel discharge propagation in the artificial thunderstorm cell of negative or positive polarity–ground gap is experimentally established. It is found that, in the case of negative polarity of a charged cloud, the group of conductive cylindrical hydrometeors connected by a dielectric string more effectively initiates the channel discharge between the artificial thunderstorm cell and the ground. In the case of positive polarity of the artificial thunderstorm cell, the best effect of the channel discharge initiation is achieved for model hydrometeors grouped together by the dielectric tape. The obtained results can be used in the development of the method for the directed artificial lightning initiation between the thundercloud and the ground.
机译： 摘要 使用人工正负人工雷暴电池的实验应用结果，用于研究雷云之间的雷电引发问题并提出了使用模型水流计阵列的地面。建立了在存在模型水凝物的情况下引发和发展带电云层与地面之间放电的可能选择。实验表明，各种形状的大型水凝物群显着增加了人工雷暴电池与地面之间通道放电启动的可能性，特别是在云的正极性情况下。作者认为，雷云中的大型冰雹阵列可以启动雷云下部的初步击穿阶段，或者引发并刺激正闪电从其上部传播。实验确定了模型水凝物的形状及其分组方式对人工放电的负或正极性-地面间隙雷暴池中通道放电传播的引发和刺激过程的显着影响。已经发现，在带电云的负极性的情况下，通过电介质串连接的导电圆柱形水凝物组更有效地引发了人工雷暴电池与地面之间的通道放电。在人造雷暴电池正极性的情况下，对于由介电带组合在一起的模型水凝物，可以实现最佳的通道放电启动效果。所得结果可用于雷云与地面之间定向人工雷电起爆方法的开发。

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