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核爆炸火球产生的声重力波及其对附加电离区的扰动

ACOUSLIC GRAVITY WAVES PRODUCED BY THE FIRE BALL OF THE NUCLEAR EXPLOSION AND DISTURBANCE TO THE IONOSPHERE

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【作者】 张训械钟林龙咸灵

【Author】 Zhang Xunjie, Zhong Lin, Long Xianling(Department of space physics, Wuhan University)

【机构】 Department of space physics Wuhan UniversityDepartment of space physics Wuhan University

【摘要】 本文讨论低空核爆炸的火球/烟云在20km平衡高度附近振动所激发的声重力波,以及它对烟云辐射所形成的附加电离区的扰动,文章给出了两种特殊情况下的计算结果,和一般条件下波场反演的方法,当声重力波通过核云辐射所形成的附加电离区时,它引起电子密度的强烈扰动,其振荡周期非常接近于Brunt-Vaisala周期。而且扰动的幅度随高度迅速增加。

【Abstract】 This paper discusses the acoustic-gravity waves(AGWS) produced by the nuclear fire ball/nuclear cloud oscillating at the vicinity of equilibrum height, and the disturbance to additionl ionized region. Using the osciliating ball model AGWS field expression on the Laplacian image plane is obtained. In general cases inverse transformation method and example are given.Then the distubance to the additional ionized region by this type of AGWS pattern is discussed. Variations of the electron density of additional ionized region beyond the nuclear cloud are computed. The results indicate there exist a five minute disturbance in the additional ionized region, and become larger and larger as the height rises

  • 【文献出处】 武汉大学学报(自然科学版) ,Journal of Wuhan University(Natural Science Edition) , 编辑部邮箱 ,1988年02期
  • 【被引频次】2
  • 【下载频次】48
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