| 黏度对流固界面滑移影响的试验研究 |
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| 引用本文： | 王馨,张向军,孟永钢,温诗铸.黏度对流固界面滑移影响的试验研究[J].摩擦学学报,2009,29(3). |
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| 作者姓名： | 王馨 张向军 孟永钢 温诗铸 |
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| 作者单位： | 王馨,WANG Xin(清华大学,精密仪器与机械学系摩擦学国家重点实验室,北京,100084;清华大学,核能与新能源技术研究院,北京,100084);张向军,孟永钢,温诗铸,ZHANG Xiang-jun,MENG Yong-gang,WEN Shi-zhu(清华大学,精密仪器与机械学系摩擦学国家重点实验室,北京,100084)
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| 基金项目： | 国家自然科学基金，国家重点基础研究发展规划(973计划)，教育部长江学者和创新团队发展计划 |
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| 摘 要： | 为了研究微纳米间隙下固液界面间流体的流动及输运特性,本文改进了商用的原子力显微镜,并利用其对微纳米间隙下固液界面的边界滑移现象进行了试验研究,重点考察了流体黏度对边界滑移的影响.固体壁面样品采用Si(100)表面,试验液体采用不同黏度的去离子水和蔗糖溶液.结果表明,Si(100)表面与去离子水和蔗糖溶液作用会发生边界滑移,而且随着溶液黏度的升高,滑移长度也随之升高,表现了边界滑移与流体黏度的相关性.所得结果对于微流体输运与控制有重要的理论意义与实际价值.
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| 关 键 词： | 边界滑移 黏度相关 |
Experimental Research on the Dependence between Liquid Viscosity and Boundary Slip |
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| WANG Xin,ZHANG Xiang-jun,MENG Yong-gang,WEN Shi-zhu.Experimental Research on the Dependence between Liquid Viscosity and Boundary Slip[J].Tribology,2009,29(3). |
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| Authors: | WANG Xin ZHANG Xiang-jun MENG Yong-gang WEN Shi-zhu |
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| Institution: | 1.State Key Laboratory of Tribology;Tsinghua University;Beijing 100084;China;2.Insititute of Nuclear and New Energy Technology;China |
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| Abstract: | In order to investigate the flow and transportation properties of liquids between solid and liquid at micro/nano scale,a commercial Atomic Force Microscope was modified to investigate boundary slip effect on confined liquids,especially focusing on the relationship between liquid viscosity and slip length.Smooth Si(100)was chosen as solid surface specimen and deionized water and sucrose solutions with different viscosities were used.Results indicated that boundary slip occurred on every case.Further more,the... |
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| Keywords: | AFM |
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