Puzzling Bubble Rise Speed Increase in Dense Granular Suspensions.
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DOI: 10.1103/physrevlett.125.078004
Abstract: We present an anomalous experimental observation on the rising speed of air bubbles in a Hele-Shaw cell containing a suspension of spherical, neutrally buoyant, non-Brownian particles. Strikingly, bubbles rise faster in suspensions as compared to… read more here.
Keywords: speed increase; bubble rise; puzzling bubble; speed ... See more keywords