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Discussion on Common Problems in Risk Assessment of Lightning Disaster
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作者 Luo Mingzuo Jiang Xianhong +1 位作者 Shi Lei Deng Yi 《Meteorological and Environmental Research》 CAS 2014年第9期28-32,共5页
The problems in calculating parameters of equivalent collection area,earth resistivity and lightning protection category as well as their effects on lightning disaster risk assessment were analyzed,and practical examp... The problems in calculating parameters of equivalent collection area,earth resistivity and lightning protection category as well as their effects on lightning disaster risk assessment were analyzed,and practical examples proved the effects of those differences on lightning protection identification,intercept efficiency calculation in evaluating lightning disaster risk. In the meantime,several new concepts,such as the height of buildings for lightning protection were defined,and a fixed radius value was set to the ground flash density for calculation,establishing the ground flash density formula to solve the problems in parameter calculation,which would be beneficial to promote the standardization of lightning disaster risk assessment. 展开更多
关键词 Risk assessment of lightning disaster equivalent collection area Earth resistivity ground flash density China
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