Research on fluctuating wind characteristics near ground of typhoon 'Soulik' by field measurement

被引：0
作者：
Li, Bo [1 ,2 ]
Zhang, Xingcan [1 ]
Yang, Qingshan [1 ,2 ]
Yang, Jingbo [3 ]
机构：
[1] School of Civil Engineering, Beijing Jiaotong University, Beijing
[2] Beijing Key Laboratory of Structural Wind Engineering and Urban Wind Environment, Beijing Jiaotong University, Beijing
[3] China Electric Power Research Institute, Beijing
来源：
Jianzhu Jiegou Xuebao/Journal of Building Structures | 2015年 / 36卷 / 04期
关键词：
Field measurement; Turbulence characteristics; Typhoon; Wind field;
D O I：
10.14006/j.jzjgxb.2015.04.013
中图分类号：
TM614 [风能发电];
学科分类号：
0807 ;
摘要：
The turbulent wind speeds of typhoon 'Soulik' have been recorded by five 3D ultra-sonic anemometer at different heights located in Xiapu, Fujian province. The fluctuating characteristics near ground of typhoon are provided, such as turbulence intensity, gust factor, turbulence integral scale and power spectra. The results show that turbulence intensity and gust factor decrease with wind speed increasing until wind speed reaches 10m/s. The turbulence energy in across-wind and vertical direction of typhoon become large and the ratio of turbulence intensity in along-wind, across-wind and vertical direction reaches 1∶0.8∶0.55. The turbulence integral scale of typhoon seems to have no correlation with wind speed and turbulence intensity. The measured power spectra agree with von Karman spectrum. ©, 2015, Science Press. All right reserved.
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页码：99 / 104
页数：5
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