Corrosion Prediction through Modeling of Polarization Curve Based on Flow Properties in the Vicinity of Reaction Surface

通过基于反应表面附近流动特性的极化曲线建模进行腐蚀预测

• 批准号: 23760429
• 负责人: SUGA Kazuhiro
• 金额: $ 3万
• 依托单位: Tokyo University of Science
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Young Scientists (B)
• 财政年份: 2011
• 资助国家: 日本
• 起止时间: 2011 至 2012
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23760429/
• 关键词: 腐食予測; 流れ加速腐食; 分極曲線; 数値シミュレーション; 電気化学測定; 電気化学; 流体解析; 電場解析

This study proposed a prediction method of corrosion in complex flow fields using numerical simulations and simple electrochemical measurements in l aboratory. First, the polarization curves, which give the properties of corrosion reaction, were modeled as a function of the wall shear stress on metal surface. Next, a prediction system of corrosion speed and location was developed using electrostatic simulation and the modeled polarization curves from numerically estimated wall shear stress of a target structure. The comparison between a prediction and an experimental result was carried out under a complex flow field in order to discuss the effectiveness of the developed system.

本研究提出了一种基于数值模拟和简单电化学测试的复杂流场腐蚀预测方法。首先，将反映腐蚀反应性质的极化曲线模型化为金属表面壁面剪应力的函数。其次，利用静电模拟和目标结构壁面剪应力数值估计得到的极化曲线，开发了腐蚀速度和位置的预测系统。为了讨论所开发系统的有效性，在复杂流场下将预测结果与实验结果进行了比较。

项目成果

Corrosion Prediction Based on Fluid Dynamic Properties

基于流体动力学特性的腐蚀预测

• 发表时间: 2012
• 作者: Kazuhiro Suga;Koichi Minagawa;Taro Moteki;Ryoma Arimura;Masanori Kikuchi
• 通讯作者: Masanori Kikuchi

Corrosion prediction under flow field based on local wall shear stress

基于局部壁面剪应力的流场腐蚀预测

• 发表时间: 2013
• 作者: Yoshiaki Ishikawa;Kazuhiro Suga;Ryoma Arimura;Koichi Minagawa;Masanori Kikuchi
• 通讯作者: Masanori Kikuchi

A Morphological and Numerical Characterization ...

形态和数值表征...

• 发表时间: 2011
• 作者: Taro MOTEKI;Kazuhiro SUGA and Masanori KIKUCHI
• 通讯作者: Kazuhiro SUGA and Masanori KIKUCHI

流れ場における腐食速度決定因子の数値流体力学的考察

流场腐蚀速率决定因素的计算流体动力学研究

• 发表时间: 2011
• 作者: 有村龍馬，須賀一博，菊池正紀;茂木太郎
• 通讯作者: 茂木太郎

Corrosion Prediction in FAC through Local Wall Shear Stress, EuroCorr 2013

通过局部壁剪应力预测 FAC 中的腐蚀，EuroCorr 2013

• 发表时间: 2013
• 作者: K. Suga;K. Minagawa;R. Arimura;Y. Ishikawa;M. Kikuchi
• 通讯作者: M. Kikuchi