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December 1, 2025Physics of Fluids

Water entry cavity regime and impact mitigation of axisymmetric body with annularly distributed flow diversion orifices

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Authors

LSLan ShenYCYing ChenYLYunqiao Liu

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Overview

Experiments reveal reduced impact loads and altered flow field dynamics in axisymmetric models with diverting orifices, indicating significant advantages in water entry conditions.

Key Points

  • Impact loads were markedly reduced in models with flow diversion orifices, enhancing performance.
  • Under varying Froude numbers, distinct flow field structures were observed, indicating complex interactions.
  • Observational analysis of particle image velocimetry illustrated dual-domain velocity vector fields resulting from surface interactions.
  • Proper orthogonal decomposition revealed substantial cavity expansion and wake structures during water entry dynamics.

Cite This Study

Shen et al. (2025) studied this question.

synapsesocial.com/papers/69402a652d562116f2901b33https://doi.org/10.1063/5.0293599
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Water entry of axisymmetric body with flow diversion orifice: Impact load reduction and inner flow visualization2025
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  4. 4Slamming loads and interaction behaviors on variable-curvature twin wedges during synchronous water entry2026 · 1 citations
  5. 5Spatiotemporal asymmetric cavity dynamics during oblique water entry2026