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首页> 外文期刊>Building and Environment >Pedestrian wind comfort around buildings: Comparison of wind comfort criteria based on whole-flow field data for a complex case study
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Pedestrian wind comfort around buildings: Comparison of wind comfort criteria based on whole-flow field data for a complex case study

机译：建筑物周围的行人风向舒适度：基于全流场数据的风向舒适度标准比较，用于复杂的案例研究

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摘要

Assessment of pedestrian wind comfort around buildings requires the combination of wind statistics from a meteorological station, aerodynamic information and a comfort criterion. A wide range of different comfort criteria exist. In the past, several comparison studies of comfort criteria have been made. In the present paper, a different approach is pursued. The goal of this paper is threefold: (1) to provide an illustrative case study based on CFD as a framework for the comparison of different criteria; (2) to compare and evaluate the results by the different criteria as part of a complete wind comfort assessment study; and (3) to stress the importance of standardization of the wind comfort assessment procedure. The case study area is the campus of Eindhoven University of Technology. The 3D steady Reynolds-averaged Navier-Stokes (RANS) equations and the realizable k-c model are used to provide part of the aerodynamic information. The CFD simulations are performed on a high-resolution grid based on grid-sensitivity analysis. Validation is conducted with on-site measurements. Part of the wind comfort assessment procedure is performed with the Dutch wind nuisance standard NEN 8100. The criteria compared in this study are the four complete criteria by Isyumov and Davenport (1975), Lawson (1978), Melbourne (1978) and NEN 8100 (2006). It is shown that the different criteria can lead to very different conclusions about the wind comfort. Because the outcome of wind comfort studies is often decisive in granting building permits, this illustrates the importance of wind comfort standardization, in particular concerning the comfort criterion.
机译：评估建筑物周围的行人风舒适度需要结合气象站的风统计，空气动力学信息和舒适度标准。存在多种不同的舒适度标准。过去，对舒适度标准进行了一些比较研究。在本文中，采用了不同的方法。本文的目标是三个方面：（1）提供一个基于CFD的说明性案例研究，作为比较不同标准的框架； （2）作为完整的风舒适性评估研究的一部分，以不同的标准比较和评估结果； （3）强调风舒适度评估程序标准化的重要性。案例研究区是埃因霍温科技大学的校园。 3D稳态雷诺平均Navier-Stokes（RANS）方程和可实现的k-c模型用于提供部分空气动力学信息。基于网格敏感性分析，在高分辨率网格上执行CFD仿真。验证是通过现场测量进行的。风力舒适度评估程序的一部分使用荷兰的风骚扰标准NEN 8100进行。本研究中比较的标准是Isyumov和Davenport（1975），Lawson（1978），Melbourne（1978）和NEN 8100（4）的四个完整标准。 2006）。结果表明，不同的标准可以得出关于风舒适度的不同结论。由于风舒适性研究的结果通常在授予建筑许可方面起决定性作用，因此这说明了风舒适性标准化的重要性，尤其是在舒适性标准方面。

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  • 来源
    《Building and Environment》 |2013年第1期|547-562|共16页
  • 作者

    W.D. Janssen; B. Blocken; T. van Hooff;

  • 作者单位

    Building Physics and Services, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands;

    Building Physics and Services, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands;

    Building Physics and Services, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands,Division of Building Physics, Department of Civil Engineering, Katholieke Universiteit Leuven, Kasteelpark Arenberg 40, P.O. Box 2447, 3001 Leuven, Belgium;

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  • 正文语种 eng
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  • 关键词

    wind nuisance and danger; airflow; urban area; urban aerodynamics; computational fluid dynamics (CFD); built environment;

    机译：风的滋扰和危险;空气流动;市区;城市空气动力学;计算流体动力学（CFD）;建设环境;

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