Error analysis of stereoscopic particle image velocimetry

被引：0
|
作者：
Zhang, MD [1 ]
Shen, GX [1 ]
Wei, RJ [1 ]
机构：
[1] Beijing Univ Aeronaut & Astronaut, Inst Fluid Mech, Beijing 100083, Peoples R China
来源：
OPTICAL TECHNOLOGY AND IMAGE PROCESSING FOR FLUIDS AND SOLIDS DIAGNOSTICS 2002 | 2002年 / 5058卷
关键词：
stereoscopic particle image velocimetry (SPIV); translation system; angular-displacement system; Scheimpflug condition; a liquid prism;
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
There are two basic configurations of stereoscopic particle image velocimetry (SPIV) systems: translation system and angular-displacement system. Theoretical and experimental error analysis of SPIV is summarized. The results of theoretical error analysis indicate that the angular-displacement SPIV system with the Scheimpflug condition can provide up 40% higher out-of-plane accuracy than the translation systems. Experimental error analysis of SPIV is to directly estimate the uncertainties from actual SPIV recordings after accurate automatic registration provided the imaged object's characteristics are known. Moreover, a liquid prism ensures that two cameras continue to enjoy an orthogonal orientation with respect to the liquid-air interface.
引用
收藏
页码：131 / 138
页数：8
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