文章详细信息 关键词： 黏弹性流体;;偏心环空;;法向应力;;径向力;;偏磨 [gap=390]Keywords: viscoelastic fluids; eccentric annuli; normal stress; radial stress; eccentric abrasion
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eccentric annuli helical flow 偏心环空螺旋流
The bipolar coordinate system in which the two boundary circles of eccentric annuli become the coordinate surfaces is used.
使用双极坐标系研究流体在偏心环空内的流动。
The theoretical analysis of flow properties of power-law fluids and Bingham fluids in the eccentric annuli of horizontal section of wells is made.
对水平井段偏心环空中幂律流体和宾汉流体轴向流层流流场作了理论分析。 把偏心环空视作变外径的同心环空。
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