Arid
DOI10.1063/1.3366494
Control of Sand Movement on Model Dune by Fence Installation - Experimental Study by Visualization and LDV
Sakamoto, Yusuke1; Shimazu, Shota1; Tsukahara, Takahiro1,2; Yamamoto, Makoto3; Kawaguchi, Yasuo1
通讯作者Sakamoto, Yusuke
会议名称6th International Symposium on Multiphase Flow, Heat Mass Transfer and Energy Conversion
会议日期JUL 11-15, 2009
会议地点Xian, PEOPLES R CHINA
英文摘要

Recent desertification has been one of serious environmental issues. It is important to elucidate mechanisms of the sand movement from sand dunes with considering the relations between the dune shape and the turbulent air flow. This relation can be applied to predict and prevent the desertification. In this study, the shape of the dune surface and the erosion rate are measured by the method of laser-sheet visualization. Laser-doppler velocimetry (LDV) has been used for turbulence measurement. Effects of an installed fence on the erosion rate are discussed with emphasis on influences of its position and height. The erosion has been either suppressed or enhanced by the fence. Since there exist two strong erosion areas due to the backflow and wake induced by the fence. In the present experimental conditions, the top of the dune is the most suitable position of the fence for preventing erosion.


英文关键词Gas-solid two phase flow Sand movement Dune Fence Turbulent flow Visualization LDV
来源出版物6TH INTERNATIONAL SYMPOSIUM ON MULTIPHASE FLOW, HEAT MASS TRANSFER AND ENERGY CONVERSION
ISSN0094-243X
出版年2010
卷号1207
页码95-+
ISBN978-0-7354-0744-2
出版者AMER INST PHYSICS
类型Proceedings Paper
语种英语
国家Japan
收录类别CPCI-S
WOS记录号WOS:000280504500009
WOS关键词WIND-TUNNEL ; VELOCITIES ; SELECTION ; SHAPES
WOS类目Thermodynamics ; Physics, Applied
WOS研究方向Thermodynamics ; Physics
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/298489
作者单位1.Tokyo Univ Sci, Fac Tech Sci, Dept Mech Eng, Tokyo 162, Japan;
2.Tokyo Univ Sci, Dept Mech Engn, Tokyo, Japan;
3.Tokyo Univ Sci, Dept Engn Mech, Fac Eng, Tokyo, Japan
推荐引用方式
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Sakamoto, Yusuke,Shimazu, Shota,Tsukahara, Takahiro,et al. Control of Sand Movement on Model Dune by Fence Installation - Experimental Study by Visualization and LDV[C]:AMER INST PHYSICS,2010:95-+.
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