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Installation position determination of wind speed sensors on steel pole along a high-speed railway

  • Geological, Civil, Energy and Traffic Engineering
  • Published:
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Abstract

In order to consider the influence of steel pole on the measurement of wind speed sensors and determinate the installation position of wind speed sensors, the flow field around wind speed sensors was investigated. Based on the three-dimensional steady Reynolds-averaged Navier-Stokes equations and k-ε double equations turbulent model, the field flow around the wind speed sensor and the steel pole along a high-speed railway was simulated on an unstructured grid. The grid-independent validation was conducted and the accuracy of the present numerical simulation method was validated by experiments and simulations carried out by previous researchers. Results show that the steel pole has a significant influence on the measurement results of wind speed sensors. As the distance between two wind speed sensors is varied from 0.3 to 1.0 m, the impact angles are less than ±20°, it is proposed that the distance between two wind speed sensors is 0.8 m at least, and the interval between wind speed sensors and the steel pole is more than 1.0 m with the sensors located on the upstream side.

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Authors and Affiliations

  1. Key Laboratory of Traffic Safety on Track of Ministry of Education, Changsha, 410075, China

    Xiao-hui Xiong  (熊小慧) & Xi-feng Liang  (梁习锋)

  2. School of Traffic & Transportation Engineering, Central South University, Changsha, 410075, China

    Xiao-hui Xiong  (熊小慧) & Xi-feng Liang  (梁习锋)

Authors
  1. Xiao-hui Xiong  (熊小慧)
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  2. Xi-feng Liang  (梁习锋)
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Corresponding author

Correspondence to Xiao-hui Xiong  (熊小慧).

Additional information

Foundation item: Projects(U1334205, 51205418) supported by the National Natural Science Foundation of China; Project(2014T002-A) supported by the Science and Technology Research Program of China Railway Corporation; Project(132014) supported by the Fok Ying Tong Education Foundation of China

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Xiong, Xh., Liang, Xf. Installation position determination of wind speed sensors on steel pole along a high-speed railway. J. Cent. South Univ. 23, 3018–3027 (2016). https://doi.org/10.1007/s11771-016-3365-9

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  • DOI: https://doi.org/10.1007/s11771-016-3365-9

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