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| 1 | 基于Fluent的平流沉砂池模拟中2D与3D模型的对比显示文摘根据计算流体力学湍流流动模型,基于Fluent软件,对某净水厂平流沉砂池分别采用2D和3D模型模拟沉砂池增加入流管挡板对池中水流分布状态的影响。通过分析、比较采用2D和3D模型在建模过程、模拟计算及模拟结果的区别,得出2D模型适用于反应器具有对称性及结构简单的模拟,3D模型适用于反应器结构复杂、湍流较强的模拟。 | 周艳春 冯志 罗凡 王兴 杨泉鑫 | 2018 | 中国市政工程2018，0，1： | 2 |
| 2 | SIMULATIONS OF FLOW INDUCED CORROSION IN API DRILLPIPE CONNECTOR显示文摘Drillpipe failure is an outstanding issue in drilling engineering, often involving great financial losses. In view of the special features of the flow channel in the high failure zone, this article analyzes the drillpipe failure mechanism from the point of view of flow induced corrosion. Based on the Eulerian-Langrangian method and the discrete phase model, a numerical simulation method is used to investigate the flows of the drilling fluid in the drillpipe connector during the operation of three typical drilling methods (mud drilling, air drilling and foam drilling). From the flow field in the drillpipe connector, especially, the velocity and pressure distributions in the threaded nipple and the thickened intermediate belt, one may detect the existence of the flow induced corrosion. Then, some structural optimization measures for the drillpipe connector are proposed, and the optimization effects are compared. | ZHU Hong-jun LIN Yuan-hua ZENG De-zhi YAN Ren-tian | 2011 | Journal of Hydrodynamics2011，23，6： | 1 |
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