| 偏心环空中幂律流体层流螺旋流流动规律的研究 |
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| 引用本文： | 李帮达 刘永健. 偏心环空中幂律流体层流螺旋流流动规律的研究[J]. 应用数学和力学, 1993, 14(7): 593-600 |
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| 作者姓名： | 李帮达 刘永健 |
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| 作者单位： | 大庆石油学院开发系(李帮达，刘永健)，大庆石油学院开发系(张景富) |
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| 摘 要： |
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| 关 键 词： | 幂律流体 偏心环空 螺旋流 分层流 |
Studies on the Law of Laminar Helical Flow of Power-Law Fluid in Eccentric Annuli |
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| Li Bang-da Liu Yong-jian Zhang Jing-fu. Studies on the Law of Laminar Helical Flow of Power-Law Fluid in Eccentric Annuli[J]. Applied Mathematics and Mechanics, 1993, 14(7): 593-600 |
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| Authors: | Li Bang-da Liu Yong-jian Zhang Jing-fu |
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| Abstract: | According to the principle of fluid mechanics, the law of laminar helical flow of power-law fluid in eccentric annuli is studied intensively in this paper. The apparent viscosity, velosities districution of laminar helical flow of power-law fluid are discussed and calculating methods of flow rate and pressure loss are presented. The factors influencing flow are also analysed. On the basis of theo retical studies some new results of the present paper are compared with the theories of the helical flow of the power-law fluid in concentric annuli. The test verified that theoretical formulas in this article are proper and general. They can beused for calcuating hydraulic parameters in drilling engineering. |
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| Keywords: | power-law fluid eccentric laminar helical flow flow rate pressure loss velosity apparent viscosity |
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