全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
工程力学  2012 

基于风观测塔和风廓线雷达实测的强台风黑格比风剖面研究

DOI: 10.6052/j.issn.1000-4750.2011.01.0012, PP. 284-293

Keywords: 台风,风剖面,指数律,对数律,大气边界层,高层建筑结构抗风设计

Full-Text   Cite this paper   Add to My Lib

Abstract:

利用两座风观测塔和一台风廓线雷达对强台风黑格比的实测结果,研究了台风黑格比近地塔层和边界层风剖面特征.结果表明:在近地塔层风剖面,陆地来风时,最大风速高度高于70m,且指数律剖面指数α随着风速的增大而减小;海面来风时,最大风速高度约为50m,指数律剖面指数α随着风速的增大而增大.在边界层风剖面,台风黑格比前眼壁强风区梯度风高度为450m,后眼壁强风区为300m,外风场为200m.指数律和对数律剖面可以用来描述台风黑格比眼壁强风区300m高度以下和外风场200m高度以下的风剖面,但是风剖面参数不符合规范推荐值,D-H模型参数不适合描述其风剖面,需进行修正.

References

[1]  Powell M D, Vickery P J, Reinhold T A. Reduced dragcoefficient for high wind speeds in tropical cyclones [J].Nature, 2003, 422(6929): 279-283.
[2]  Franklin J L, Black M L, Valde K. Eyewall wind profilesin hurricanes determined by GPS drop wind sondes [C].24th Conference on Hurricanes and Tropical Meteorology,Fort Lauderdale, FL, Amer. Meteor. Soc, 2000: 446-447.
[3]  Tamura Y, Suda K, Sasaki A, Iwatani Y, Fujii K, Hibi K,Ishibashi R. Wind speed profiles measured over groundusing Doppler sodars [J]. Journal of Wind Engineeringand Industrial Aerodynamics. 1999, 83(1/2/3): 83-93.
[4]  Cao S, Tamura Y, Kikuchi N, Saito M, Nakayama I,Matsuzaki Y. Wind characteristics of a strong typhoon[J]. Journal of Wind Engineering and IndustrialAerodynamics, 2009, 97(1): 11-21.
[5]  Li L X, Xiao Y Q. Wind characteristics and wind effectsof Di-Wang building during typhoon Nuri [C].Proceedings of the First International PostgraduateConference on Infrastructure and Environment, 2009:567-574.
[6]  Tieleman H W. Strong wind observations in theatmospheric surface layer [J]. Journal of WindEngineering and Industrial Aerodynamics, 2008, 96(1):41-77.
[7]  徐安, 傅继阳, 赵若红, 吴玖荣. 土木工程相关的台风近地风场实测研究[J]. 空气动力学学报, 2010, 28(1):23-31.Xu An, Fu Jiyang, Zhao Ruohong, Wu Jiurong. Fieldmeasurements of typhoons according to civil engineeringresearch [J]. Acta Aerodynamica Sinica, 2010, 28(1):23-31. (in Chinese)
[8]  李杰, 阎启, 谢强, 陈隽. 台风“韦帕”风场实测及风致输电塔振动响应[J]. 建筑科学与工程学报, 2009,26(2): 1-8.Li Jie, Yan Qi, Xie Qiang, Chen Jun. Wind fieldmeasurements and wind induced vibration responses oftransmission tower during typhoon Wipha [J]. Journal ofArchitecture and Civil Engineering, 2009, 26(2): 1-8.(in Chinese)
[9]  刘尉, 吴艳标, 王志春. 强热带风暴“北冕”登陆前后的风场变化[J]. 广东气象, 2009, 31(3): 10-12.Liu Wei , Wu Yanbiao, Wang Zhichun. The wind fieldtransition during the landfalling of severe tropical stormKammuri [J]. Guangdong Meteorology, 2009, 31(3):10-12. (in Chinese)
[10]  Tennekes H. The logarithmic wind profile [J]. Journal ofthe Atmospheric Sciences, 1973, 30(2): 234-238. 2.0.CO;2 target="_blank">
[11]  Davenport A G. Rationale for determining design windvelocities [J]. Journal of Structural Division, 1960,86(ST5): 39-68.
[12]  Deaves D M, Harris R I. A mathematical model of thestructure of strong winds [R]. Construction IndustryResearch and Information Association, 1978.
[13]  Amano T, Fukushima H, Ohkuma T, Kawaguchi A, GotoS. The observation of typhoon winds in Okinawa byDoppler sodar [J]. Journal of Wind Engineering andIndustrial Aerodynamics, 1999, 83(1/2/3): 11-20.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133