基于点电荷模型的腐蚀相关静电场快速预测方法研究

doi:10.3969/j.issn.1000-1093.2017.04.015

兵工学报 ›› 2017, Vol. 38 ›› Issue (4): 735-743.doi: 10.3969/j.issn.1000-1093.2017.04.015

基于点电荷模型的腐蚀相关静电场快速预测方法研究

姜润翔，张伽伟，林春生

(海军工程大学兵器工程系, 湖北武汉 430033)

收稿日期:2016-10-11 修回日期:2016-10-11 上线日期:2017-06-06
通讯作者: 林春生（1962—），教授，博士生导师 E-mail:lcs_and_zh@163.com
作者简介:姜润翔（1982—），男，讲师。E-mail:jiang_runxiang@163.com
基金资助:
国家自然科学家基金项目（51509252、41476154）

Study of Quick Prediction Method for Ship Corrosion Related Static Electric Field Based on Point Charge Source Model

JIANG Run-xiang， ZHANG Jia-wei， LIN Chun-sheng

(Department of Weaponry Engineering, Naval University of Engineering, Wuhan 430033, Hubei, China)

Received:2016-10-11 Revised:2016-10-11 Online:2017-06-06

摘要/Abstract

摘要： 针对舰船腐蚀相关静态电场实时预测难的问题，提出了基于点电荷（电极）模型的快速建模方法。对舰船的结构进行合理分区，通过计算混合电位值确定电极的极化状态；在电极极化曲线及电化学系统电流和为0的准则基础上，建立了点电极电位和电流之间的函数关系；利用最小二乘算法计算点电极的电流值，并根据点电荷3层模型下的电位计算方法预测舰船腐蚀相关静态电场；分别利用仿真数据和船模试验数据对所提方法的有效性进行了检验。结果表明，所提方法能够实现对舰船腐蚀相关静态电场进行快速预测。

关键词: 电磁学, 舰船, 腐蚀, 静电场, 点电荷, 电多极矩, 阳极, 阴极, 极化率

Abstract: A method of rapidly establishing the prediction model based on the point charge source is proposed for the prediction of ship corrosion related static electric field. The reasonable division of ship structure is set, and the mixed potential of ship is calculated based on mixed electrode potential. The functional relationship between potential and current of point electrode is established based on the material polarization curve and the electrochemical system’s current sum which is zero. The current of point electrode is calculated using least squares method, and the ship corrosion related static electric field is predicted using the potential calculation method of point charge under three-layered medium. The effectiveness of the proposed method is verified by using the surface ship simulation data and the ship model test results. The results show that the proposed method can be used for fast prediction of ship corrosion related static electric field. Key

Key words: electromagnetics, ship, corrosion, staticelectricfield, pointchargesource, electricmulti-polemoment, anode, cathode, polarizability

中图分类号:

O441.1

姜润翔，张伽伟，林春生. 基于点电荷模型的腐蚀相关静电场快速预测方法研究[J]. 兵工学报, 2017, 38(4): 735-743.

JIANG Run-xiang， ZHANG Jia-wei， LIN Chun-sheng. Study of Quick Prediction Method for Ship Corrosion Related Static Electric Field Based on Point Charge Source Model[J]. Acta Armamentarii, 2017, 38(4): 735-743.

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基于点电荷模型的腐蚀相关静电场快速预测方法研究

Study of Quick Prediction Method for Ship Corrosion Related Static Electric Field Based on Point Charge Source Model

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