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Large vortices from soft vibrations
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DOI：10.1017/jfm.2024.271.png)
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摘要
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Steady streaming is a peculiar flow, induced by the oscillation of an object with respect to the fluid in which it is embedded. While the oscillation amplitude may be extremely small, the nonlinearity due to fluid inertia gives rise to this steady flow. Large and powerful vortices develop around the object. Usually, the streaming is scrutinised in the case of homogeneous objects. Here, Cui et al. (J. Fluid Mech., vol. 979, 2024, A7) derive the streaming around a soft elastic sphere containing a solid core. This elaborate derivation opens a new description of streaming in biological soft environments and robotics.
Keyword:
general fluid mechanics
期刊
IF:
3.9
论文数:
2.0W
被引数:
9.4W
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