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    Chapter and Conference Paper

    Pattern Formation and Time-Dependence in Flowing Sand

    We describe three experiments characterizing the dynamics of sand flowing from a hopper. In the first experiment, we have measured time-dependence in the normal stress caused by sand flowing from a hopper in o...

    G. W. Baxter, R. P. Behringer, T. Fagert, G. A. Johnson in Two Phase Flows and Waves (1990)