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应用粒子图像速度场仪测试圆柱绕流涡的结构

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[1]西安建筑科技大学环境与市政工程学院,陕西西安710055 [2]西安航空技术高等专科学校动力工程系,陕西西安710077 [3]西安交通大学生态环境与现代农业工程中心,陕西西安710049

西安工程科技学院学报
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国际标准刊号:ISSN 1671-850X
国内统一刊号:CN 61-1395

摘  要:

利用粒子图像速度场仪(PIV)的2帧互相关技术,在风洞中测量雷诺数为500的圆柱绕流.通过展示一个涡的产生、发展及脱落的连续瞬时速度矢量场、流线图、速度量级等势线图和涡量等势线图,分析圆柱后涡系发展及涡量输运规律.[著者文摘]

cross—correlation Particle Image Velocimetry(PIV).The progress and the transmitta1 disciplinarian of vortex behind circular cylinder are analyzed via the display of the velocitv vec—tors graphs,streamline graph,velocities and vorticity graph with constant instantaneous ve1oc—ity of a vortex s generation,progress and cast etc.,Key words:PIV ;flow around circular cylinder;wind tunne1.
Journal of Xi an University of Engineering Science and Technology

栏目信息:

基础科学

分 类 号:

O35

文献标识码:

A

文章编号:

1671-850X(2007)04-0529-07

相关文章:

参考文献(5篇)  主题相关

[参考文献]

Measurement of flow around a circular cylinder by Particle Image Velocimetry(PIV)

JIN Wen, WANG Yuan (1. School of Environmental & Municipal Eng. , Xi'an University of Architecture & Tech. , Xi'an 710055,China; 2. Department of Power Engineering,Xi'an Aerotechnical College, Xi'an 710077,China; 3. The Center for Environment and Modern Agriculture Eng. ,Xi'an Jiaotong University, Xi' an 710049,China)

Abstract:

Flow around a circular cylinder at Re=500 in wind tunnel is measured by using 2- frame cross-correlation Particle Image Velocimetry(PIV). The progress and the transmittal disciplinarian of vortex behind circular cylinder are analyzed via the display of the velocity vectors graphs, streamline graph, velocities and vorticity graph with constant instantaneous velocity of a vortexrs generation, progress and cast etc. ,[著者文摘]

Key words:

PIV; flow around circular cylinder; wind tunnel.

收稿日期: 2007-04-19

基金资助:

National Natural Science Foundation of China (10272089)

作者简介:

JIN Wen(1967-), female, a native of Xi'an city, Shaanxi province, associate professor of Xi' an University of Architecture & Technology, Candidate for PhD. E-mail:jinwen385@163.com.

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