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科技导报
| 研究论文 2017, 35(3): 37-42
风沙流/沙尘暴与高雷诺数壁湍流野外观测
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王萍
作者信息
兰州大学土木工程与力学学院;西部灾害与环境力学教育部重点实验室, 兰州 730000
Field observations on wind-blown sand/dust storm and high Reynolds wall turbulence
Affiliations
出版时间: 2017-02-13
doi: 10.3981/j.issn.1000-7857.2017.03.003
文章导航
风沙流与沙尘暴是发生在高雷诺数大气边界层中的气固两相流,对风沙流与沙尘暴的深入认识、准确预报和科学防治都要基于对风沙运动规律的认知和把握,因而需要借鉴高雷诺数湍流的研究成果。本文综述了高雷诺数壁湍流和风沙流/沙尘暴研究的现状,着重介绍了在中国民勤地区建立的沙尘暴与高雷诺数壁湍流野外观测站,以及基于观测站的观测列阵所获得的初步成果,展望了进一步的发展方向。
Wind-blown sand and dust storm are typical gas-solid two phase flow occur in high Reynolds atmospheric boundary layer turbulence. Better understanding, accurate prediction and effective controlling of wind-blown sand and dust storm all rely on knowledges of sand/dust particle movement, and therefore on the research results on high Reynolds wall turbulence:The driving force of particle movement. After a briefly review on high Reynolds wall turbulence and sand/dust storm researches, the Qingtu Lake Observation Array (QLOA) established in Minqin county was introduced in detail. Preliminary results achieved in the light of observed data and outlook were described.
sand/dust storm
/
high Reynolds number wall turbulence
/
observation array
王萍.
风沙流/沙尘暴与高雷诺数壁湍流野外观测.
科技导报,
2017
, 35
(3)
: 37
-42
.
DOI: 10.3981/j.issn.1000-7857.2017.03.003
WANG Ping.
Field observations on wind-blown sand/dust storm and high Reynolds wall turbulence[J].
Science & Technology Review ,
2017
, 35
(3)
: 37
-42
.
DOI: 10.3981/j.issn.1000-7857.2017.03.003
2017年第35卷第3期
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文章信息
doi: 10.3981/j.issn.1000-7857.2017.03.003
接收时间:2016-12-20
首发时间:2017-02-21
出版时间:2017-02-13
收稿日期:2016-12-20
修回日期:2017-01-31
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2017.03.003
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2种不同金属材料的力学参数
科 Family 属数 Number of genus 种数 Number of species 占总种数比例 Percentage of total species (%) 属 Genus 种数 Number of species 占总种数比例 Percentage of total species (%) 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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