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- W4387375462 abstract "AbstractThe present article conducted detailed velocity measurements beneath simulated ice blocks with different leading-edge geometries (round, rectangular, upward and downward triangular). The results examined flow separation at the leading-edge, vortex generation, and subsequent vortex propagation. The instantaneous velocity field depicts an unsteady flow dominated by large-scale vortices, with the Kelvin–Helmholtz type instability dominating the shear layer interface. The mode of vortex generation and propagation was influenced by the geometry of the leading edge. These vortices were dominant for the rectangular and upward triangular configurations. Propagation of these vortices creates low-pressure zones beneath the simulated ice block, which can affect the ice block stability. For all ice blocks, the mean flow accelerated, due to flow separation, and this can result in fluctuations in the dynamic pressure field. These events can lead to greater under-turning moments, as well as the interfacial melting of the ice.Keywords: Geometryice blockleading-edgesimulatedstabilityvortices AcknowledgementThe authors are grateful to the Natural Sciences and Engineering Research Council of Canada for their financial support. We also thank Alexander Wall for his assistance in machining the set-up.Disclosure statementNo potential conflict of interest was reported by the author(s)." @default.
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- W4387375462 date "2023-10-05" @default.
- W4387375462 modified "2023-10-16" @default.
- W4387375462 title "Effect of leading-edge geometry on flow beneath a simulated ice block" @default.
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- W4387375462 doi "https://doi.org/10.1080/00221686.2023.2240276" @default.
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