| 动态气泡直径的远场干涉测量方法 |
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| 引用本文： | 李建民,宋元军,王蕴芬,王增波,杨富,李崇香,冯浩,孟旭东. 动态气泡直径的远场干涉测量方法[J]. 光子学报, 2008, 37(6): 1229-1232 |
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| 作者姓名： | 李建民 宋元军 王蕴芬 王增波 杨富 李崇香 冯浩 孟旭东 |
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| 作者单位： | 河北北方学院,物理系,河北,张家口,075000;河北建筑工程学院,机械系,河北,张家口,075024 |
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| 摘 要： | 利用气泡远场干涉对动态气泡直径进行测量,结果表明,当透明液体中的动态气泡经过激光束时必然在远场产生圆环状干涉条纹.对传统分光仪进行改制,用数码照相机代替望远镜,并连接计算机,组合成动态气泡直径测量系统,拍摄得到干涉条纹,对干涉条纹的角半径进行测量,并计算出气泡直径,测量相对差为1.1%.该系统还可对单个气泡束流或多个气泡束流进行气泡直径的统计.
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| 关 键 词： | 测量与计量 气泡直径测量 远场干涉 动态气泡 |
| 收稿时间： | 2007-09-10 |
| 修稿时间： | 2007-12-25 |
Measurement of Dynamic Bubble Diameter with Method of Distant Field Interference |
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| LI Jian-min,SONG Yuan-jun,WANG Yun-fen,WANG Zeng-bo,YANG Fu,LI Chong-xiang,FENG Hao,MENG Xu-dong. Measurement of Dynamic Bubble Diameter with Method of Distant Field Interference[J]. Acta Photonica Sinica, 2008, 37(6): 1229-1232 |
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| Authors: | LI Jian-min SONG Yuan-jun WANG Yun-fen WANG Zeng-bo YANG Fu LI Chong-xiang FENG Hao MENG Xu-dong |
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| Abstract: | Dynamic bubble diameter is measured with distant field interference.When the bubble in a transparent liquid passes through a parallel laser beam,the interference rings will be produced in the distant field.A traditional spectrometer is transformed by means of a digital camera replacing a telescope and connecting a computer so as to form a system to measure dynamic bubble diameter.By shooting the interference rings and measuring their angular radii,the diameter of bubble is calculated.The relative difference of measurement is 1.1% and the diameter of single bubble beam or more can also be counted. |
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| Keywords: | Measurement and metrology Measurement of bubble diameter Distant field inference Dynamic bubble |
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