Abstract
We report on experiments which demonstrate that the instability pattern obtained when water pushes a more viscous but miscible, non-Newtonian fluid in a Hele-Shaw cell are fractals. Reproducible values for the fractal dimension d f were found which were interpreted using a modification of the diffusion-limited aggregation model. We also discuss the application of the gradient-governed growth model to two-fluid instability problems.
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© 1985 Springer-Verlag Berlin Heidelberg
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Daccord, G., Nittmann, J., Stanley, H.E. (1985). Fractal Growth of Viscous Fingers: New Experiments and Models. In: Boccara, N., Daoud, M. (eds) Physics of Finely Divided Matter. Springer Proceedings in Physics, vol 5. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-93301-1_31
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DOI: https://doi.org/10.1007/978-3-642-93301-1_31
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