| 电磁流体动力驱动流体搅拌混合器特性研究 |
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| 引用本文： | 刘庆明,BATTON John,AUBRY Nadine. 电磁流体动力驱动流体搅拌混合器特性研究[J]. 实验流体力学, 2006, 20(1): 80-85. DOI: 10.3969/j.issn.1672-9897.2006.01.019 |
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| 作者姓名： | 刘庆明 BATTON John AUBRY Nadine |
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| 作者单位： | 北京理工大学机电工程学院,北京,100081;新泽西理工学院机械工程系,纽瓦克,新泽西,07102 |
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| 摘 要： | 对小型电磁流体动力搅拌混合器的特性进行了理论分析和实验研究.该小型电磁动力混合器由聚碳酸脂和黄铜采用常规机械加工方法加工而成.研究采用的流体为氯化钠水溶液.为了观察流体的搅拌混合运动,在流体中加入微量微细玻璃珠作为示踪粒子.采用显微观测及图像采集技术记录流体的搅拌混合过程,用数字图像处理技术对流体速度场进行分析.建立了搅拌混合器的理论模型,并对其动力特性进行了数值分析,理论结果与实验结果相吻合.该小型电磁动力混合器已应用于微管道流动的混合控制并可应用于其它微流体控制系统中.
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| 关 键 词： | 微流体芯片 微流体控制 显微测量 流体动力特性 流速测量 搅拌器 |
| 文章编号： | 1672-9897（2006）01-0080-06 |
| 收稿时间： | 2005-05-23 |
| 修稿时间： | 2005-10-08 |
Study on the characteristics of a magneto-hydro-dynamic stirrer |
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| LIU Qing-ming,BATTON John,AUBRY Nadine. Study on the characteristics of a magneto-hydro-dynamic stirrer[J]. Experiments and Measur in Fluid Mechanics, 2006, 20(1): 80-85. DOI: 10.3969/j.issn.1672-9897.2006.01.019 |
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| Authors: | LIU Qing-ming BATTON John AUBRY Nadine |
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| Affiliation: | 1. School of Mechatronic Engineering, Beijing Institute of Technology, Beijing 100081, China; 2. Department of Mechanical Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA |
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| Abstract: | This paper studied the characteristics of a magneto-hydro-dynamic(MHD) stirring chamber experimentally and theoretically.The MHD stirring chamber is fabricated with ordinary brass and polycarbonate plate by conventional machining method.The solution used in the study is saline solution.Some glass beads were added into the solution to visualize the stirring movement.The velocity field is measured and analyzed by microscopy visualization technique.The MHD stirring chamber has found it's application in micro channel mixing system and can be used in other micro fluidic systems. |
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| Keywords: | micro fluidic chip micro flow control micro flow visualization fluid dynamic characteristics velocity measurement stirrer |
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