| 两平行刚性圆盘挤压幂律流体时接触面的滑移规律 |
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| 引用本文： | 徐春晖,杨薇.两平行刚性圆盘挤压幂律流体时接触面的滑移规律[J].中国农业大学学报,2009,14(1). |
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| 作者姓名： | 徐春晖 杨薇 |
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| 作者单位： | 中国农业大学,理学院,北京,100083 |
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| 基金项目： | 国家自然科学基金，留学回国基金 |
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| 摘 要： | 采用摩擦边界条件,引进合理的速度场,分析壁面滑移对两平行刚性圆盘间幂律流体挤压流动的影响.研究结果表明,滑移导致挤压黏性力减小,且存在壁面滑移时的挤压黏性力可以分解为无滑移时的解与滑移修正参数之积.结合相对滑移边界条件及与本构关系相联系的滑移边界条件进行对比分析,得到了不同滑移参数间的解析关系式.
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| 关 键 词： | 挤压流动 滑移 幂律流体 边界条件 黏性力 |
Low of slippage on contact surfaces in squeeze flow of power-law fluid between two parallel disks |
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| XU Chun-hui,YANG Wei.Low of slippage on contact surfaces in squeeze flow of power-law fluid between two parallel disks[J].Journal of China Agricultural University,2009,14(1). |
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| Authors: | XU Chun-hui YANG Wei |
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| Institution: | College of Science;China Agricultural University;Beijing 100083 |
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| Abstract: | Based on frictional boundary condition and a reasonable velocity field,the influence of wall slipping on the squeeze flow of power-law fluid between two parallel disks was analyzed.The results show that the squeeze viscous force is reduced because of slipping,and the squeeze viscous force can be expressed by the product of the solution without slipping and the modified slipping parameter.Comparing with the results of the relative slipping boundary condition and the boundary condition related to constitutive... |
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| Keywords: | squeeze flow slip power-law fluid boundary condition viscous force |
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