研究论文

风沙流/沙尘暴与高雷诺数壁湍流野外观测

  • 王萍
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  • 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
王萍,副教授,研究方向为环境流体力学,电子信箱:wping@lzu.edu.cn

收稿日期: 2016-12-20

  修回日期: 2017-01-31

  网络出版日期: 2017-02-21

基金资助

国家自然科学基金青年科学基金项目(11302090);兰州大学中央高校基本科研业务费专项资金项目(lzujbky-2016-k13);国家自然科学基金创新群体项目(11421062)

Field observations on wind-blown sand/dust storm and high Reynolds wall turbulence

  • WANG Ping
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  • Key Laboratory of Mechanics on Disaster and Environment in Western China;Ministry of Education, Lanzhou University, Lanzhou 730000, China

Received date: 2016-12-20

  Revised date: 2017-01-31

  Online published: 2017-02-21

摘要

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。

本文引用格式

王萍 . 风沙流/沙尘暴与高雷诺数壁湍流野外观测[J]. 科技导报, 2017 , 35(3) : 37 -42 . DOI: 10.3981/j.issn.1000-7857.2017.03.003

Abstract

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.

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