Experiments that illustrate anomalous and non-local transport
2017-06
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Experiments that illustrate anomalous and non-local transport
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2017-06
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In this work our focus is the related phenomena of anomalous diffusion and non-local transport. The former refers to physical systems in which the spreading of a solute does not exhibit the classic square root of time behavior; the later describes cases where the flux of a solute at a point is controlled by features at locations removed from that point. Two experimental systems that produce clear signals of anomalous diffusion and non-local transport are presented. The first measures the infiltration of fluid into an obstacle filled cavity. We show that when the obstacles are laid out in a fractal pattern the infiltration measure exhibits an anomalous diffusion behavior. The second experiment studies the steady state by-pass profile of a two-dimensional rice pile. We show that the pile's profile has a concave down curvature that, through modeling we argue, is a consequence of non-local transport.
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University of Minnesota M.S. thesis. June 2017. Major: Civil Engineering. Advisors: Vaughan Voller, Kimberly Hill. 1 computer file (PDF); v, 156 pages.
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Filipovitch, Natasha. (2017). Experiments that illustrate anomalous and non-local transport. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/190603.
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