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dc.contributor.authorLiu, Bin
dc.contributor.authorWeathers, Annieen_US
dc.contributor.authorChildress, Stephenen_US
dc.contributor.authorZhang, Junen_US
dc.description.abstractThe fluid dynamics video shows rigid, spatially asymmetric bodies interacting with oscillating background flows. A free rigid object, here a hollow "pyramid," can hover quite stably against gravity in the oscillating airflow with a zero mean, when its peak speed is sufficiently high. We further show in shadowgraph imaging how this asymmetric body sheds vortices in such an unsteady flow, thus enabling the body to "ratchet" itself through the background flow.en_US
dc.titleVortex shedding and hovering of a rigid body in an oscillating flowen_US

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