Numerical and Experimental Modeling of Scour Around Submarine Pipeline Due to Currents

机译：海流作用下海底管道冲刷的数值和实验建模

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This paper describes the results of an experimental and numerical investigation of scouring under a pipe due to currents. Two kinds of experiments were carried out. (1) The experiments which are related to the scour process below single and multiple pipelines and main effective parameters on it. (2) The experiments include investigation of adding a spoiler to the crest of pipe section to increase self-burial potential of the pipelines. In the next section a mathematical model based on potential-flow theory was introduced for simulating the equilibrium scour hole formed by unidirectional flow underneath offshore pipelines. The model employs a finite-volume method to solve Laplace equation in terms of velocity potential in a Cartesian coordinate system. In this research, the influence of major parameters on scour caused by current has been investigated.

机译：本文描述了由于电流而在管道下进行冲刷的实验和数值研究的结果。进行了两种实验。（1）与单管或多管下冲刷过程有关的实验及其主要有效参数。（2）实验包括调查在管段顶部添加扰流板以增加管道的自埋潜力。在下一部分中，将介绍一个基于势流理论的数学模型，用于模拟海上管道下方单向流动形成的平衡冲刷孔。该模型采用有限体积方法，根据笛卡尔坐标系中的速度势来求解拉普拉斯方程。在这项研究中，已经研究了主要参数对电流冲刷的影响。

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来源
《Pipeline Division Specialty Conference; 20050821-24; Houston,TX(US)》|2005年|P.793-802|共10页
会议地点 HoustonTX(US)
作者
Dariush Hosseini; Habib Hakimzadeh; Reza Ghiassi;
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作者单位

Faculty of civil engineering, Sahand University of Technology, Tabriz, Iran;

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原文格式 PDF
正文语种 eng
中图分类管道运输;
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4. Numerical and Experimental Modeling of Scour Around Submarine Pipeline Due to Currents [C] . Pipeline Division Specialty Conference . 2005

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5. Numerical Investigation of Local Scour Below a Sagging Pipeline in Current [D] . Ajdehak, Esmaeil 2018

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6. Scour Monitoring System for Subsea Pipeline Based on Active Thermometry: Numerical and Experimental Studies [O] . Xuefeng Zhao, Weijie Li, Gangbing Song, 2013

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7. Experimental Investigation on the Influence of Some Unsteady Flow Parameters on Bed Scour under the Pipeline Crossing Across the Current Experimental Investigation on the Influence of Some Unsteady Flow Parameters on Bed Scour under the Pipeline Crossing Across the Current [O] . 2020

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8. 3-D turbulent flows past submarine models: Numerical simulation collated with experimental data. [R] . Givler, R. C. 1991

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Numerical and Experimental Modeling of Scour Around Submarine Pipeline Due to Currents

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