期刊
JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS
卷 138, 期 -, 页码 52-60出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jweia.2014.12.012
关键词
Gust factor; Gust averaging time; Sample duration; Typhoon
资金
- National Natural Science Foundation of China [51278366, 51478358]
- Joint Usage/Research Center of Wind Engineering, Wind Engineering Research Center, Tokyo Polytechnic University
This paper studied the gust factor associated with a very strong typhoon (Typhoon Maemi 2003), whose maximum 10 min mean wind speed was greater than 60 m/s. The wind speed was recorded by multiple sonic and vane anemometers near the seashore of an island. Only stationary wind speed samples are analyzed to obtain the gust factor. The study focuses on the dependences of gust factor on gust averaging time, sample duration, and mean wind speed during the typhoon's passage. The results suggest that typhoon gust factors have no significant difference from those associated with non-typhoon winds, and can be described using models developed for standard neutral boundary layer flow conditions. (C) 2014 Elsevier Ltd. All rights reserved.
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