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风沙两相流动光学测量及图像处理技术研究进展
引用本文:王元,杨斌,王大伟. 风沙两相流动光学测量及图像处理技术研究进展[J]. 实验流体力学, 2010, 24(1): 55-64. DOI: 10.3969/j.issn.1672-9897.2010.01.011
作者姓名:王元  杨斌  王大伟
作者单位:西安交通大学,西安,710049
基金项目:新疆维吾尔自治区“十五”科技攻关重大项目(200833121)
摘    要:介绍了自风沙动力学诞生以来所使用的各类光学测量方法,阐述了各种方法的优缺点和适用范围,针对最新光学测量技术在近代风沙两相流研究中的重要作用,着重介绍了PIV、高速数字图像测量及其图像处理技术在风沙两相流中的应用,指出光学测量在时间和空间的解析能力上的持续增长将为沙粒微观力学解析和风沙流宏观统计规律获取提供充足的支持.

关 键 词:风沙两相流   光学测量   图像处理   PIV   高速数字图像测量

Advances in wind-blown sand flow optical measurement and image processing techniques
WANG Yuan,YANG Bin,WANG Da-wei. Advances in wind-blown sand flow optical measurement and image processing techniques[J]. Experiments and Measur in Fluid Mechanics, 2010, 24(1): 55-64. DOI: 10.3969/j.issn.1672-9897.2010.01.011
Authors:WANG Yuan  YANG Bin  WANG Da-wei
Affiliation:Xi'an Jiaotong University/a>;Xi'an 710049/a>;China
Abstract:Based on the important role of optical measurement in wind-blown sand flow experiments,this paper reviews all kinds of optical measurement techniques from the birth of the dynamics of blown sand.The advantages,disadvantages and application range of these methods were pointed out.Then,the applications and image processing methods of latest optical measurement techniques,PIV and high-speed digital measurement,were specially introduced.It is proved that the increasing resolution ability in spatial and temporal...
Keywords:wind-blown sand flow  optical measurement  image processing  PIV  high-speed digital measurement  
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