基于先导发展模型的舰艇避雷防护评估仿真

裴高飞; 陈海林; 高成

doi:10.11884/HPLPB201830.170193

基于先导发展模型的舰艇避雷防护评估仿真

doi: 10.11884/HPLPB201830.170193

裴高飞^{1, 2,},
陈海林^1, ,,
高成¹

1.
陆军工程大学电磁环境效应与光电工程国家级重点实验室, 南京 210007
2.
北方信息控制研究院集团有限公司, 南京 211153

基金项目:

国家自然科学基金项目 51407199

详细信息

作者简介:
裴高飞(1990-)，男，硕士，主要从事电气设计及电磁兼容技术研究；peigaofei@126.com

通讯作者:
陈海林(1979-)，男，博士，副教授，主要从事雷电防护及电磁兼容技术研究；hylinchen@sohu.com

中图分类号: O521.3
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出版历程
- 收稿日期: 2017-06-01
- 修回日期: 2017-09-04
- 刊出日期: 2018-01-15

Lightning protection evaluation technology of surface ship based on leader progression model

Pei Gaofei^{1, 2
,},
Chen Hailin^{1
, ,},
Gao Cheng¹

1.
National Key Laboratory on Electromagnetic Environmental Effects and Electro-optical Engineering, Army Engineering University, Nanjing 210007, China
2.
North Information Control Institute Group Co Ltd, Nanjing 211153, China

摘要

摘要: 基于先导发展模型实现了海域上地闪先导2维数值放电模拟，完成了海域上地闪先导放电通道过程的图样采集。通过建立二维舰船模型，并根据相关标准对舰船模型进行避雷针的数量、高度、位置设定，对此模型进行雷电先导放电数值试验。经大量试验统计分析，舰船采用单根避雷针设计方案时，避雷针的高度较高，使得接闪概率明显增大，但在避雷针周围取得了较理想的防护效果；与单根设计方案相比，双根避雷针设计使得舰船整体结构高度降低，总的接闪次数有所减少，防护效果更佳。该评估方法可与长间隙放电试验和雷电观测互为补充，进一步完善了水面舰艇避雷系统防护评估检验技术，为舰艇的雷电防护提供理论基础。
- 舰艇 /
- 先导发展模型 /
- 避雷针 /
- 有限差分
Abstract: The high resolution simulation of cloud-to-ground lightning leaders on sea surface is presented based on two-dimensional leader progression model, and the fine image of the development process of the lightning leader is acquired. Through the establishment of two-dimensional model of ship, and according to the related standards of ship, the number and height and position of lightning rod are determined, and their lightning protection area is evaluated using proposed method. The test data show that when the ship adopts the single lightning rod protection, the probability of lightning strike is obviously increased, and the protection effect is better in the vicinity of the lightning rod. Compared with the single rod scheme, when the ship adopts double lightning rod protection the overall structure height of the ship is reduced, total number of lightning flashes on the ship will be reduced, and the protective effect will be better. With the development of long air gap discharge test and lightning observation, the protection analysis method will be more thorough and accurate.
- warship /
- leader progression model /
- lightning rod /
- finite difference method

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图 1 评估模型算法流程图

Figure 1. F1ow chart of evaluation model

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图 2 雷电先导发展过程示意图

Figure 2. Simulation of lightning leader development process

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图 3 舰船模型(单位: m)

Figure 3. Model of ship(unit: m)

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图 4 单根避雷针防护区域

Figure 4. Protection area of single lightning rod

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图 5 单根避雷针防护舰艇示意

Figure 5. Schematic of ship under protection of single lightning rod

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图 6 英国海军标中避雷针防护区域

Figure 6. Protection area of lightning rod specified by defend Standard 02-516

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图 7 避雷针防护区域

Figure 7. Protection area of two lightning rods

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图 8 评估试验设置图

Figure 8. Settings of evaluation experiment

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图 9 避雷针有效防护示意图

Figure 9. Sketch map of effective protection

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图 10 防护失效示意图

Figure 10. Sketch map of ineffective protection

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图 11 两根避雷针接闪示意图

Figure 11. Sketch map of effective protection by two lightning rods

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表 1 试验结果与雷击概率(单根避雷针)

Table 1. Experiment result and lightning strike probability (single lightning rod)

striking point	number of strikes	probability/%
sea	113	22.6
lightning rod	326	65.2
hull	39	7.8
bow or stern	22	4.4
total	500	100

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表 2 试验结果与雷击概率(两根避雷针)

Table 2. Experiment result and lightning strike probability (two lightning rods)

striking point	number of strikes	probability/%
sea	129	25.80
lightning rod 1	261	52.2
lightning rod 2	64	12.8
hull	19	3.8
bow or stern	27	5.4
total	500	100.00

下载: 导出CSV

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