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Wind Gust and Turbulence Statistics of Typhoons in South China
  • ISSN号:0894-0525
  • 期刊名称:气象学报(英文版)
  • 时间:0
  • 页码:113-127
  • 语言:中文
  • 分类:O357.5[理学—流体力学;理学—力学] TU312.1[建筑科学—结构工程]
  • 作者机构:[1]LAPC, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, [2]Graduate University of Chinese Academy of Sciences, Beijing 100049
  • 相关基金:Supported by the National Natural Science Foundation of China under Grant Nos. 90715031 40775018 and 40875008; the National Science & Technology Pillar Program under Grant No. 2008BAC37B00
  • 相关项目:阵风相干结构及起沙机制的数值模拟
中文摘要:

四台风的风数据被获得并且分析。风速度被声音的风速表在广东和海南省在四个观察地点测量。风数据的详细分析被进行调查台风的骚乱特征。阵风因素的特征和台风的骚乱积分规模与高信心被结束。在阵风因素,阵风持续时间时间,吝啬的风速度,粗糙长度,和骚乱紧张之中的关系被描述。骚乱积分规模被发现是仔细与片断长度和骚乱紧张有关。

英文摘要:

The wind data of four typhoons were obtained and analyzed. The wind speeds were measured by sonic anemometers at four observation sites in Guangdong and Hainan provinces. Detailed analysis of the wind data was conducted to investigate the turbulence characteristics of the typhoons. Characteristics of the gust factor and the turbulence integral scale of the typhoons were concluded with high confidence. The relationships among the gust factor, gust duration time, mean wind speed, roughness length, and turbulence intensity were described. The turbulence integral scale was found to be closely related to the segment length and turbulence intensity.

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