| Y型微管道中磁性纳米液体对混合率的影响 |
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| 引用本文： | 李振国,李战华. Y型微管道中磁性纳米液体对混合率的影响[J]. 传感技术学报, 2006, 19(5): 1701-1704 |
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| 作者姓名： | 李振国 李战华 |
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| 作者单位： | 1. 中国科学院力学研究所LNM,北京,100080;中国科学技术大学力学与机械工程系,合肥,230027
2. 中国科学院力学研究所LNM,北京,100080 |
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| 基金项目： | 国家自然科学基金，中国科学院创研项目 |
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| 摘 要： | 利用流动显示手段观测了Y型微管道内含纳米磁性颗粒的液体与去离子水的混合.研究了在Re=0.5～4,磁性颗粒体积分数0.38%-1.54%时,外加静磁场(场强40 Gs)对液体混合地影响.证实了磁场作用可以使完全混合长度大大缩短.同时初步分析了Re和体积分数Ψ对混合长度的影响.
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| 关 键 词： | Y型微管道 磁性纳米颗粒 静磁场 混合效率 |
| 文章编号： | 1004-1699(2006)05-1701-04 |
| 修稿时间： | 2006-07-01 |
Effects of Fluids with Magnetic Nano-particles in Y shape Microchannels on the mixing rate |
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| ZhenGuo LI,Zhanhua SILBER-LI. Effects of Fluids with Magnetic Nano-particles in Y shape Microchannels on the mixing rate[J]. Journal of Transduction Technology, 2006, 19(5): 1701-1704 |
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| Authors: | ZhenGuo LI Zhanhua SILBER-LI |
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| Affiliation: | 1. LNM, Institute of Mechanics, Chinese Academy of Sciences, Beijing 1000802. Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui, 230027 |
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| Abstract: | This paper presents a study about the mixing of magnetic nano-fluid and deionized water in a Y-shape micro-channel. The effect of static magnetic field (magnetic flux density 40 Gs) on the mixing is investigated at the case of Re=0.5~4, and the volume fraction respectively from 0.38% to 1.54%. The results show that the mixing length is largely reduced by the static magnetic field. And the effects of Re and the volume fraction on the mixing length are analyzed. |
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| Keywords: | Y-shape micro-channel magnetic nano-particle static magnetic field mixing rate |
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