Fractal Fingers

The effect of fractal fingering can be observed if a droplet of an ink-alcohol mixture is deposited onto diluted acrylic paint. How are the geometry and dynamics of the fingers influenced by relevant parameters?

   將一滴墨水與酒精的混合物滴在稀釋的丙烯酸涂料上，可以觀察到分形手指效應。研究相關參數如何影響手指的幾何形狀及其動力學？