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首页> 外文期刊>Life Cycle Reliability and Safety Engineering >Application of Hougaard stochastic model for flow-accelerated corrosion wall thinning in an orifice
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Application of Hougaard stochastic model for flow-accelerated corrosion wall thinning in an orifice

机译：Hougaard随机模型的应用flow-accelerated腐蚀壁变薄的孔板

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摘要

In this paper, Hougaard process stochastic degradation model has been used for the prediction of wall thickness reduction in pipes between two consecutive in-service inspections. Experimental data on FAC in gypsum orifice, from the literature, were used. There were nine locations downstream of the orifice where the wear of wall was measured at 1 h, 2 h, 3.5 h, 4.5 h, 6.5 h, 9.6 and 13 h into the experiment. The predicted wall thickness reduction compared well with the experimental wall thickness reduction from 9.6 h to 13 h.
机译：摘要Hougaard随机过程退化模型已被用于预测减少壁厚的管道连续两个在职检查。实验数据在石膏孔FAC,文学,是使用。下游孔的位置穿墙以1 h, 2 h, 3.5, 4.56.5 h, h, 9.6和13 h进入实验。预测减少壁厚比较好与实验减少壁厚从9.6 h 13 h。

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