根据使用风洞实验的代表性几何模型,在树冠层内垂直的风形状分布
S A Zaki1, Y M H'ng2, A F Mohammad2
1Department of Mechanical Precision Engineering, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra , 54100, Kuala Lumpur, Malaysia. sheikh.kl@utm.my.
Scientific reports
|January 8, 2025
概括
建筑布局和风向显著影响热带城市校园内的风速分布. 这项研究分析了高层建筑周围的风流,揭示了影响风模式的关键因素.
科学领域:
- 城市气候学 城市气候学
- 环境工程 环境工程
- 流体动力学 流体动力学
背景情况:
- 城市环境,特别是热带校园,由于高层建筑物而经历复杂的风流模式.
- 了解风速分布对于行人舒适,建筑设计和城市地区空气质量至关重要.
研究的目的:
- 调查热带城市校园的树冠高度内的平均和流风速分布.
- 分析高层建筑及其布局对垂直风形状的影响.
- 检查风向和建筑几何学对风流动力学的影响.
主要方法:
- 风洞实验使用一个热带城市校园的代表性几何模型进行.
- 在两个特定的高层建筑物 (Menara Razak和Residensi Tower) 周围分析了垂直风势.
- 收集和分析了不同风向 (22.5°和202.5°) 的平均风速 (u),根平均平方 (u_rms) 和斜率 (SK) 的数据.
主要成果:
- 发现建筑的布局显著影响了校园内的风速分布.
- 靠近风流方向影响了风流与建筑物的相互作用.
- 目标建筑的高度 (H) 决定了流影响的程度,影响到Menara Razak的H和Residensi Tower的1.5H.
结论:
- 城市校园中的建筑物布局是决定风速在树冠水平分布的关键因素.
- 风向对风如何与城市结构相互作用起着重要作用.
- 建筑高度会影响流效应的空间范围,影响周围的微气候.
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