Research on Wind Speed Profile Characteristics of Typhoon Boundary Layer Based on Measured Data

HUANG Xigui; LUO Shengchang; LI Lixiao

doi:10.3724/j.gyjzG23121101

Volume 54 Issue 2

Feb. 2024

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2024 > 54(2): 98-105

Zhang Tiejun, Yan Yuelan. STUDY ON LOCALIZATION OF MANUFACTURE OF UNDERRELAXATION PRESTRESSED STEEL SHANDS FOR CONTAINMENT OF Ling'ao NUCLEAR POWER PLANT (PHASE-Ⅱ) AND ITS USE[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(4): 61-66. doi: 10.13204/j.gyjz200904015

Citation:

HUANG Xigui, LUO Shengchang, LI Lixiao. Research on Wind Speed Profile Characteristics of Typhoon Boundary Layer Based on Measured Data[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(2): 98-105. doi: 10.3724/j.gyjzG23121101

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Research on Wind Speed Profile Characteristics of Typhoon Boundary Layer Based on Measured Data

doi: 10.3724/j.gyjzG23121101

1. School of Civil and Environmental Engineering, Harbin university of Technology, Shenzhen 518055, China;
2. College of Civil and Transportation Engineering, Shenzhen University, Shenzhen 518060, China;
3. Institute of Urban Smart Transportation & Safety Maintenance, Shenzhen University, Shenzhen 518060, China

Received Date: 2023-12-11
Available Online: 2024-04-23

Abstract

Abstract

The wind-resistant design of building structures in the typhoon affected area in the codes is carried out by analogy with the non-cyclonic wind field, however, many measured results show that there is a large difference between the typhoon wind profile and the profile of the non-cyclonic wind field, and the influencing factors and changing rules of the typhoon wind profile are still not clear at present. To clearly understand the profile characteristics of typhoons, many measured profile data of several typhoons were used for the analysis. The measured data were categorized by three factors, namely, the underlying surface categories, the typhoon structural partitions,and the wind speed, and the wind profile data of each category were comparatively analyzed, and the study showed that: the low-level jet phenomena in typhoon wind profiles was related to the underlying surface categories, the typhoon structural partitions, and the wind speed, the low-level jets were more likely to occur at exposure category A, B, larger wind speed, and in the back eyewall region in typhoon; there was a certain relationship between the gradient wind height of the typhoon wind profile and the type of underlying surface and average wind speed. The gradient wind height of exposure category A and B showed an increasing trend from the center of the typhoon outward, while the gradient wind height underground of exposure category C showed a decreasing and then increasing trend from the center of the typhoon outward.
- typhoon,
- boundary layer,
- wind profile characteristics,
- low-level jet,
- field measurement

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References

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