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KMID : 1024520220310070543
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Journal of the Environmental Sciences
2022 Volume.31 No. 7 p.543 ~ p.553
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A Study on the Characteristics of Lightning Detection over the Naro Space Center
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Kim Hong-Il
Choi Eun-Ho
Suh Sung-Ho
Seo Seong-Gyu
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Abstract
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The latest aerospace technology is important for the stable flight of a launch vehicle, but weather conditions on the day of launch are also one of the essential factors for successful launch campaign. If a launch vehicle is directly struck while preparing to take off from the launch pad on the day of launch or the electronic device are damaged by induced current during flight of the launch vehicle, this means launch failure and can lead to enormous national loss. Therefore, for a successful launch campaign, it is necessary to analyze the lightning detection characteristics of the Naro Space Center. In this study, the seasonal factors of the lightning that occurred over the Naro Space Center from 2003 to 2017, the influence of the polarity, and the correlation with the lightning intensity was confirmed. As a result, there was a high probability of intensive occurrence of multiple lightning strikes in summer, and a high proportion of positive (+) lightning strikes in winter. Lastly, in the distribution of the number of lightning strikes, an average of 2.0 to 2.5 negative (-) lightning strikes occurs in the coastal regions of the South and West Seas when one flash happens.
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KEYWORD
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Naro Space Center, Lightning, Launch vehicle, Flash, Stroke, Peak current
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