Prediction of Short-term Strong Wind along the High-speed Railways

doi:10.7522/j.issn.1000-694X.2013.00386

JOURNAL OF DESERT RESEARCH

2014, Vol. 34

Issue (3): 861-868 DOI: 10.7522/j.issn.1000-694X.2013.00386

Prediction of Short-term Strong Wind along the High-speed Railways

Wang Yilin¹, Li Zhenshan^1,2, Zeng Qiulan²

1. Ministry of Education Key laboratory of Water and Sediment Sciences/Department of Environmental Engineering, Peking University, Beijing 100871, China;
2. School of Environment and Energy, Peking University, Shenzhen 518055, Guangdong, China

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Abstract Short-term strong wind prediction is essential for the secure operation of high-speed trains. The overturning accidents can be easily caused when the vibration frequency of the running trains meets the frequency of crosswind, then with which a simplified model was established on the condition of resonance frequency. The results show that the typical overturning time for high-speed trains is 10 s. To investigate the model responses of the vibration of incoming flow and the topographic factors in prediction, two standard models (railway behind the mountain and railway located among three mountains) were established, in which the waveform function is used to simulate the wind. The simulation results show that the Lattice-Boltzmann simulation method could reflect the changes in the flow field along the high-speed railway accurately and could also reflect the influence of topographic factors on the prediction. So the method might be an effective way to solve the forecast of strong wind along the high-speed railway in the future, and its worthy further investigation.

Key words: high-speed railway strong wind forecast overturning simulation Lattice-Boltzmann method

Received: 08 May 2013 Published: 20 May 2014

ZTFLH:

P425

Corresponding Authors: 李振山（Email：lizhenshan@pku.edu.cn） E-mail: lizhenshan@pku.edu.cn



	Articles by authors
	Wang Yilin
	Li Zhenshan
	Zeng Qiulan

Cite this article:

Wang Yilin, Li Zhenshan, Zeng Qiulan. Prediction of Short-term Strong Wind along the High-speed Railways. JOURNAL OF DESERT RESEARCH, 2014, 34(3): 861-868.

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http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2013.00386 OR http://www.desert.ac.cn/EN/Y2014/V34/I3/861

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