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Reference: Yeomans, JM, Andrew, M, Liu, Y et al., Symmetry-breaking in drop bouncing on curved surfaces. Nature Communications, 6, 10034.Citable link to this page:


Symmetry-breaking in drop bouncing on curved surfaces

Abstract: The impact of liquid drops on solid surfaces is ubiquitous in nature, and of practical importance in many industrial processes. A drop hitting a flat surface retains a circular symmetry throughout the impact process. Here we show that a drop impinging onEchevaria leaves exhibits asymmetric bouncing dynamics with distinct spreading and retraction along two perpendicular directions. This is a direct consequence of the cylindrical leaves that have a convex/concave architecture of size comparable to the drop. Systematic experimental investigations on mimetic surfaces and lattice Boltzmann simulations reveal that this novel phenomenon results from an asymmetric momentum and mass distribution that allows for preferential fluid pumping around the drop rim. The asymmetry of the bouncing leads to B40% reduction in contact time.

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Bibliographic Details

Publisher: Nature

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Journal: Nature Communicationssee more from them

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Urn: uuid:8a42b31a-3a9c-4bc4-b1fa-57d36735f905

Source identifier: 580327

Eissn: 2041-1723


Issn: 2041-1723 Item Description

Type: Journal article;

Version: Publisher's versionKeywords: *keyword* *keyword*Subjects: *subject* *subject* Tiny URL: pubs:580327


Autor: Yeomans, JM - institutionUniversity of Oxford Oxford, MPLS, Physics, Theoretical Physics - - - Andrew, M - institutionUniversity



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