Influence of Wind Sensor Location on Bridge Tower on Measurement Results

ZHANG Mingjin; LI Yongle; YU Xianquan; LIU Dejing; ZHANG Li

doi:10.3969/j.issn.0258-2724.2015.04.007

Volume 28 Issue 4

Jul. 2015

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Journal of Southwest Jiaotong University > 2015 > 28(4): 617-622.

JIANG Lei, LI Xiangbiao, MA Shuwen, ZHOU Liangming, LI Qiqin, DUAN Changde. Registration Method for Point Cloud Based on Feature of One Plane and Two Cylindrical Holes[J]. Journal of Southwest Jiaotong University, 2014, 27(6): 1090-1096. doi: 10.3969/j.issn.0258-2724.2014.06.023

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ZHANG Mingjin, LI Yongle, YU Xianquan, LIU Dejing, ZHANG Li. Influence of Wind Sensor Location on Bridge Tower on Measurement Results[J]. Journal of Southwest Jiaotong University, 2015, 28(4): 617-622. doi: 10.3969/j.issn.0258-2724.2015.04.007

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Influence of Wind Sensor Location on Bridge Tower on Measurement Results

doi: 10.3969/j.issn.0258-2724.2015.04.007

Received Date: 20 Sep 2014
Publish Date: 25 Aug 2015

Abstract

Abstract

In order to investigate the effect of wind sensor location on measurement results, finite volume method (FVM) was adopted to discretize the computational domain by taking the commercial computational fluid dynamics (CFD) software Fluent as a platform, and the k- turbulence model was used to calculate the wind environment. The variation laws of wind speeds and wind directions at wind observation points near bridge tower under different inflow wind speeds and directions were analyzed, and the correction values of wind speed and wind angle were given. The research results indicate that bridge tower affects the measurement results of wind sensors obviously, and the locations of wind sensors should be optimized. Wind speed ratio fluctuates from 0.45 to 1.30 when wind sensors are located in the upstream, and it changes from 0.05 to 1.25 when they are located in the downstream. The optimum locations of wind sensors should be where they have more than 1.0 time the characteristic size away from bridge tower and the angle between their locations and inflow is in the range of (45.0 to 56.5).
- bridge site,
- wind characteristic,
- field measurement,
- wind sensor location,
- optimization calculation

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Influence of Wind Sensor Location on Bridge Tower on Measurement Results

doi: 10.3969/j.issn.0258-2724.2015.04.007

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Influence of Wind Sensor Location on Bridge Tower on Measurement Results

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