首页> 外文会议>25th International Conference on Offshore Mechanics and Arctic Engineering 2006(OMAE2006) vol.4 >TIME SCALE OF SCOURING AROUND SUBMARINE PIPELINES INDUCED BY WAVE AND CURRENT
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TIME SCALE OF SCOURING AROUND SUBMARINE PIPELINES INDUCED BY WAVE AND CURRENT

机译:波和电流引起的海底管道冲刷的时间尺度

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Physical experiments have been conducted to explore the time scale of the wave- and current- induced local scouring around submarine pipelines as well as the development of the scour profile versus the elapsing time. The experimental results have been used to examine the recommended equations of Fredsoe et al. (1992) and/or to derive new equations for prediction of scour depth/width during the process with respect to the equilibrium scour properties. In addition, the total duration (time scale) of scouring is studied and a new equation is proposed for the case of current motion. The results of this equation are then simplified in the form of diagrams for estimation of the scouring duration in practice.
机译:已经进行了物理实验,以探索海底管道周围波和电流引起的局部冲刷的时间尺度,以及冲刷曲线随时间的变化。实验结果已用于检验Fredsoe等人的推荐方程。 (1992年)和/或推导新的方程式来预测过程中相对于平衡冲刷特性的冲刷深度/宽度。此外,研究了冲刷的总持续时间(时间尺度),并针对当前运动情况提出了新的方程式。然后,以图表的形式简化该方程式的结果,以便在实践中估算冲刷持续时间。

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