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	Numerical analysis of wind speed variation under awning boards covering embankment side slopes
	Feng, Wenjie1; Koemle, Norbert I.2; Niu, Yonghong1; Sun, Zhizhong1; Li, Guoyu1; Yu, Wenbing1
刊名	COLD REGIONS SCIENCE AND TECHNOLOGY
	2011-09-01
卷号	68期号:3页码:162-172
关键词	Embankments Awning Wind speed Numerical simulations
ISSN号	0165-232X
DOI	10.1016/j.coldregions.2011.05.008
通讯作者	Feng, Wenjie(wenjief@lzb.ac.cn)
英文摘要	To protect the permafrost under the embankment from thawing and to ensure the safety and smoothness of the road, the use of shading boards (awnings) was one of the main measures applied along the side slopes of the Qinghai-Tibet Highway, the Qinghai-Tibet Railway and the Qingkang-Highway embankments. Aside from the shading effect acting against solar irradiation such constructions may also help to channel the natural wind flow and thus contribute to the cooling of the embankment and the underlying ground by enhancing the natural wind flow close to the surface. In this study we present results from numerical finite element simulations of the air flow under two different awning designs, with the aim to find an optimal geometry and awning height to be applied in future engineering work. We compare the air flow profiles across and along the awning headroom and investigate the influence of embankment slope inclination on the flow under the awning. (C) 2011 Elsevier B.V. All rights reserved.
收录类别	SCI
WOS关键词	VENTILATION ; PLATEAU ; RAILWAY
WOS研究方向	Engineering ; Geology
WOS类目	Engineering, Environmental ; Engineering, Civil ; Geosciences, Multidisciplinary
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000295250700009
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2556586
专题	寒区旱区环境与工程研究所
通讯作者	Feng, Wenjie
作者单位	1.Chinese Acad Sci, State Key Lab Frozen Soil Engn, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Gansu, Peoples R China 2.Austrian Acad Sci, Space Res Inst, A-8010 Graz, Austria
推荐引用方式 GB/T 7714	Feng, Wenjie,Koemle, Norbert I.,Niu, Yonghong,et al. Numerical analysis of wind speed variation under awning boards covering embankment side slopes[J]. COLD REGIONS SCIENCE AND TECHNOLOGY,2011,68(3):162-172.
APA	Feng, Wenjie,Koemle, Norbert I.,Niu, Yonghong,Sun, Zhizhong,Li, Guoyu,&Yu, Wenbing.(2011).Numerical analysis of wind speed variation under awning boards covering embankment side slopes.COLD REGIONS SCIENCE AND TECHNOLOGY,68(3),162-172.
MLA	Feng, Wenjie,et al."Numerical analysis of wind speed variation under awning boards covering embankment side slopes".COLD REGIONS SCIENCE AND TECHNOLOGY 68.3(2011):162-172.

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