A new method for the estimation of the number of upward flashes from tall structures

2011 International Symposium on Lightning Protection Pub Date : 2011-12-01 DOI:10.1109/SIPDA.2011.6088466

A. Smorgonskiy, F. Rachidi, M. Rubinstein, G. Diendorfer, W. Schulz, N. Korovkin

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引用次数: 11

Abstract

A new method to estimate the number of upward flashes from tall structures is presented. The method is based on the analysis of the data provided by lightning location systems (LLS) and thus could be applied for any tall structure located in the region covered by a LLS. About 80 tall objects in Europe with heights ranging from 100 m to 300 m were selected for the analysis. LLS data for a period of 10 years on flashes within circles of 8 km around each object were exported from the EUCLID network database and analyzed. The number of upward flashes for each considered structure was estimated and the obtained results were compared with those calculated using the empirical formula of Eriksson. For towers located on hilly terrain, the physical height of the structure was replaced by its effective height determined according to the IEC recommendation. The obtained results follow the trend predicted by Eriksson's formula. However, significant dispersion is observed. This dispersion might be attributed essentially to meteorological and geological factors associated with different objects.

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一种估算高层结构上闪数的新方法

提出了一种估算高层结构上闪数的新方法。该方法基于闪电定位系统(LLS)提供的数据分析，因此可以应用于位于闪电定位系统覆盖区域的任何高层结构。欧洲大约有80个高度在100米到300米之间的高大物体被选中进行分析。从EUCLID网络数据库中导出并分析了每个物体周围8公里范围内10年的LLS数据。估计了每个考虑结构的向上闪光次数，并将所得结果与使用Eriksson经验公式计算的结果进行了比较。对于位于丘陵地带的塔楼，结构的实际高度由根据IEC建议确定的有效高度代替。所得结果符合Eriksson公式所预测的趋势。然而，观察到显著的分散。这种分散可能主要归因于与不同物体有关的气象和地质因素。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2011 International Symposium on Lightning Protection

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