热带海岛典型地貌风场特性的无人机实测

黄斌; 王文想; 李昊; 刘金轲; 潘月月; 董金爽

doi:10.19912/j.0254-0096.tynxb.2022-1638

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太阳能学报 ›› 2024, Vol. 45 ›› Issue (2) : 116-126. DOI: 10.19912/j.0254-0096.tynxb.2022-1638

热带海岛典型地貌风场特性的无人机实测

黄斌¹, 王文想¹, 李昊¹, 刘金轲¹, 潘月月², 董金爽¹

作者信息 +

WIND CHARACTERISTICS OF TYPICAL LANDFORMS IN TROPICAL ISLAND BY UNMANNED AERIAL VEHICLES （UAVS） MEASUREMENT

Huang Bin¹, Wang Wenxiang¹, Li Hao¹, Liu Jinke¹, Pan Yueyue², Dong Jinshuang¹

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文章历史 +

摘要

利用双无人机测风系统实测海岛三类典型场地的风场特性,并与多国风荷载规范对比。结果表明,近海岸、低矮温室基地、多高层建筑群实测风剖面分别与中国规范A类、日本规范Ⅲ类、美国规范B类剖面较吻合。近海岸湍流强度小于各国规范,低矮温室、多高层建筑群实测值分别与日本规范Ⅲ类、Ⅳ类场地值较吻合。阵风因子随粗糙度、湍流强度提高而增大,近海岸、多高层建筑群阵风因子与湍流强度相关性分别接近Ishizaki、Cao建议模型。实测积分尺度随高度而增大,随粗糙度而减小,提出热带海岛典型地貌的积分尺度公式。同一地貌的风速竖向、水平相关性随高差、水平间距增大而减弱;同一高差的风速竖向相关性随粗糙度提高而减弱。von Karman谱能较好地描述热带海岛脉动风在频域内的能量分布特性。

Abstract

In this paper, the wind characteristics of three types of typical sites on the island were measured by the dual UAVs wind measurement system, and compared with the wind load codes of several countries as well. The results show that the wind profiles measured including offshore coast, low-rise greenhouse base and zones of multi-high-rise buildings are relatively identical with the profiles of Class A in Chinese standard, Class Ⅲ in Japanese standard, and Class B in American standard. The turbulence intensity of offshore coast is lower than the standards of various countries, while the measured values in low-rise greenhouses and zones of multi-high-rise buildings are relatively identical with Class Ⅲ and Ⅳ sites in Japanese standard. The gust wind factor increases with the increase of roughness and turbulence intensity, and the correlation of offshore coast and zones of multi-high-rise buildings between the gust wind factor and turbulence intensity is close to the models suggested by Ishizaki and Cao respectively. The measured integral scale increases with height and decreases with roughness. The integral scale formula for typical landforms of tropical islands is proposed. The vertical and horizontal correlation of wind speed in the same landform decreases with the increase of altitude difference and horizontal distance, and the vertical correlation of wind speed with the same altitude difference decreases with the increase of roughness. The von Karman spectrum can describe the energy distribution characteristics of fluctuating wind in tropical islands well in the frequency domain.

导出引用

黄斌, 王文想, 李昊, 刘金轲, 潘月月, 董金爽. 热带海岛典型地貌风场特性的无人机实测[J]. 太阳能学报. 2024, 45(2): 116-126 https://doi.org/10.19912/j.0254-0096.tynxb.2022-1638

Huang Bin, Wang Wenxiang, Li Hao, Liu Jinke, Pan Yueyue, Dong Jinshuang. WIND CHARACTERISTICS OF TYPICAL LANDFORMS IN TROPICAL ISLAND BY UNMANNED AERIAL VEHICLES （UAVS） MEASUREMENT[J]. Acta Energiae Solaris Sinica. 2024, 45(2): 116-126 https://doi.org/10.19912/j.0254-0096.tynxb.2022-1638

中图分类号： TU312.+1 V211.52

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