Discrete scale invariance in viscous fingering patterns
作者： A. Roy , S. Roy , A.J. Bhattacharyya , S. Banerjee , S. Tarafdar
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摘要: We study viscous fingering patterns in a lifting Hele-Shaw cell, where non-Newtonian fluid (oil paint) is displaced by air. The lengths of the air fingers are measured and their cumulative distribution seen to follow power law with log-periodic oscillations indicating presence discrete scale invariance.
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