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Feasibility of Computational Fluid Dynamics for Analyzing Airflow Around Porous Fences

机译：计算流体动力学分析多孔栅栏周围气流的可行性

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摘要

This article presents using the computational fluid dynamics (CFD) modeling to analyze the flow around porous fences. The feasibility of applying 2D and 3D models was assessed with respect to corresponding wind tunnel experiments. Comparisons between the flow structures on leeward of the fence as predicted by CFD models and the wind tunnel measurements were discussed. Velocity values for the two modeling approaches were in good agreement. However, there is a noticeable discrepancy in predicting the turbulence structure. Both 2Dand 3D model have demonstrated the capability to predict flow characteristics necessary for the design of porous fences. However, the selection between 2D and 3D model is dependent on, design stage, and the extent of accuracy required by the application. The presented CFD models are potentially applicable to heat transfer issues.
机译：本文介绍了使用计算流体动力学（CFD）建模来分析多孔栅栏周围的流动。针对相应的风洞实验评估了应用2D和3D模型的可行性。讨论了由CFD模型预测的围栏下风的流动结构与风洞测量之间的比较。两种建模方法的速度值非常吻合。但是，在预测湍流结构方面存在明显差异。 2D和3D模型都证明了预测多孔围栏设计所必需的流动特性的能力。但是，在2D和3D模型之间进行选择取决于设计阶段和应用程序要求的精度范围。提出的CFD模型可能适用于传热问题。

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  • 来源
    《Heat Transfer Engineering》 |2020年第10期|497-512|共16页
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    Department of Building Energy and Material Technology UiT/The Arctic University of Norway Narvik Norway;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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