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June 22, 2025

An Experimental Study on the Impact Pressure Characteristics of a Symmetrical Wedge in Pure and Aerated Water Entry

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Authors

WWWencheng WuLXLongfei XiaoYKYufeng Kou

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Overview

Experimental study shows reduced impact pressures in aerated water, highlighting significant three-dimensional flow effects.

Key Points

  • Impact pressures are significantly higher along the centreline than at the edge, indicating flow dynamics complexity.
  • Water entry tests used a 20° deadrise angle wedge in both pure and aerated water conditions.
  • A custom apparatus created a stable bubble field, with void fractions monitored using a wire-mesh sensor.
  • Findings suggest aeration reduces peak impact pressures, emphasizing the need for better water entry models.

Cite This Study

Wu et al. (2025) studied this question.

synapsesocial.com/papers/68af56faad7bf08b1eadd362https://doi.org/10.1115/omae2025-153493
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