This paper deals with the motionof viscous liquid column with finite length and two free surfaces in a vertical straight capillary tube.
本文考虑了竖直毛细管中具有两个自由面的有限长液柱的粘性流体运动。
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On account of the high non linearity related to the large amplitude motionoffreeliquid surface, it is very difficult to obtain a complete theoretical solution.