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Influence of anode location and quantity for the reduction of underwater electric fields under cathodic protection

机译：阴极保护下阳极位置和数量对减少水下电场的影响

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摘要

To investigate the effect of anode location and quantities on underwater electric fields, numerical simulations were performed using the boundary element method. Simulations were performed for the cases of 3, 4, and 5 pairs and the installation locations of the anodes were set at 10 different hull regions. Although the potential difference was nearly unchanged with changes in the anode locations, the electric field was effectively diminished when the anodes were uniformly distributed through prevention of the current concentration at the specific region. Additionally, increasing the number of anodes decreased the underwater electric field, although the decrease rate of the electric field reduced. Thus, the locations of anodes should be uniformly distributed and an adequate number of anodes should be applied to effectively reduce the underwater electric fields.
机译：为了研究阳极位置和数量对水下电场的影响，使用边界元方法进行了数值模拟。针对3对，4对和5对的情况进行了模拟，并将阳极的安装位置设置在10个不同的船体区域。尽管随着阳极位置的变化电势差几乎没有变化，但通过防止特定区域的电流集中，当阳极均匀分布时，电场有效地减小了。另外，尽管减小了电场的减少率，但是增加阳极的数目减小了水下电场。因此，阳极的位置应均匀分布，并应使用足够数量的阳极以有效减少水下电场。

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  • 来源
    《Ocean Engineering》 |2018年第1期|476-482|共7页
  • 作者

    Kim Y-S.; Lee S. K.; Kim J-G.;

  • 作者单位

    Sungkyunkwan Univ, Sch Adv Mat Engn, 2066 Seobu Ro, Suwon 16419, Gyonggi Do, South Korea;

    Agcy Def Dev, Res & Dev Inst 6, 18th Jinhae POB, Changwon Si 51678, Gyeongsangnam D, South Korea;

    Sungkyunkwan Univ, Sch Adv Mat Engn, 2066 Seobu Ro, Suwon 16419, Gyonggi Do, South Korea;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Underwater electric field; Cathodic protection; Potential; Simulation;

    机译：水下电场;阴极保护;电位;模拟;

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