| 三维PIV原理及其实现方法 |
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| 引用本文： | 陈钊,郭永彩,高潮.三维PIV原理及其实现方法[J].实验流体力学,2006,20(4):77-82,105. |
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| 作者姓名： | 陈钊 郭永彩 高潮 |
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| 作者单位： | 重庆大学光电工程学院,教育部光电技术及系统重点实验室,重庆,400044 |
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| 摘 要： | 粒子图像测量技术(PIV)在现代流场测量中发挥了重要作用,是流场测速研究的发展方向之一.随着二维PIV日益完善,新课题对流场测速技术提出更高的要求,推动了三维PIV的深入研究,但该技术的复杂性使得流场的三维速度测量更为困难.笔者以PIV技术为对象,重点阐述基于针孔相机模型的三维PIV原理和实现方法,并探讨了三维PIV研究工作的若干进展.
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| 关 键 词： | PIV 切面三维速度 体流动场 透视 散焦 |
| 文章编号： | 1672-9897（2006）04-0077-07 |
| 收稿时间： | 2005-05-08 |
| 修稿时间： | 2005-05-082005-07-20 |
Principle and technology of three-dimensional PIV |
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| CHEN Zhao,GUO Yong-cai,GAO Chao.Principle and technology of three-dimensional PIV[J].Experiments and Measur in Fluid Mechanics,2006,20(4):77-82,105. |
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| Authors: | CHEN Zhao GUO Yong-cai GAO Chao |
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| Institution: | College of Opto-electronic Engineering, Key Lab for Opto-electronic Technology and System of Ministry of Education, Chongqing University, Chongqing 400044, China |
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| Abstract: | PIV(Particle Image Velocimetry) plays an important tendencies in modern flow field research and becomes one of the tendencies in flow velocity survey.With the performance of two-dimensional PIV increasingly perfected,three-dimensional PIV is further impelled by higher demands of the new tasks,but it is more complicated and more difficult to come true.On basis of PIV technique,the principle and realization of three-dimensional PIV based on pinhde camera model are mainly introduced and the advances of three-dimensional PIV are discussed at the end of this paper. |
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| Keywords: | PIV three-dimensional velocity in plane volumetric flow field perspective defocusing |
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