Ultrafast two-dimensional ultrasonic speckle velocimetry: A tool in flow imaging

被引：37
|
作者：
Sandrin, L [1 ]
Manneville, S [1 ]
Fink, M [1 ]
机构：
[1] Univ Denis Diderot, CNRS, UMR 7587,Lab Ondes & Acoust, Ecole Super Phys & Chim Ind Ville Paris, F-75005 Paris, France
来源：
APPLIED PHYSICS LETTERS | 2001年 / 78卷 / 08期
关键词：
D O I：
10.1063/1.1350622
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A technique for imaging fluid flows is proposed, based on the ultrafast analysis of the ultrasonic speckle signal backscattered by particles following the flow. Such an "ultrasonic speckle velocimetry" (USV) provides two-dimensional measurements of one component of the fluid velocity field at about 5000 frames per second. USV is applied to three different flows and future improvements of the technique are described. (C) 2001 American Institute of Physics.
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页码：1155 / 1157
页数：3
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