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首页> 外文期刊>圧力技術 >Statistical Analysis of Corrosion in the Bottom Floors of Oil Storage Tanks (Second Report): Report on the directed percolation simulation for corrosion in the bottom floors of oil storage tanks and its application
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Statistical Analysis of Corrosion in the Bottom Floors of Oil Storage Tanks (Second Report): Report on the directed percolation simulation for corrosion in the bottom floors of oil storage tanks and its application

机译：储油罐底面腐蚀的统计分析（第二份报告）：关于储油罐底面腐蚀的定向渗流模拟的报告及其应用

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摘要

It is difficult to clarify the detailed propagation mechanisms of back-side metal loss of bottom floors because this task is complicated by several factors, including the soil and the environment. Therefore, authors assumed the propagation of back-side metal loss of the bottom floors to be a stochastic process and applied the directed percolation model to the phenomena. The back-side metal loss generated on the bottom floors was simulated using the directed percolation model with various percolation probabilities. It was then verified that similar risk curves for the dataset measured with the continuous thickness measurement device were created with a simulated dataset. Using the simulated dataset, the dependency of number of data for calculating the Corrosion Risk Parameter (CRP) obtained from the statistical analysis using the measured dataset was discussed. Compared with the CRP calculated from the simulated dataset and the maximum depth of the clusters, the more than 1,000 data were needed for the calculation of the appropriate CRP.
机译：很难弄清底层背面金属损失的详细传播机理，因为此任务受土壤和环境等多个因素的影响而复杂化。因此，作者将底层金属背面金属损耗的传播假定为随机过程，并将定向渗流模型应用于该现象。使用具有各种渗透概率的定向渗透模型模拟了在底层地板上产生的背面金属损失。然后证实，使用模拟数据集为连续厚度测量设备测量的数据集创建了相似的风险曲线。使用模拟数据集，讨论了数据数量对计算腐蚀风险参数（CRP）的依赖性，该腐蚀风险参数是使用测量数据集从统计分析中获得的。与从模拟数据集计算出的CRP和群集的最大深度相比，计算适当的CRP需要超过1,000个数据。

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