An experimental study on water entry of horizontal cylinders

Zhaoyu Wei, Changhong Hu

研究成果: Contribution to journalArticle査読

37 被引用数 (Scopus)

抄録

Complex hydrodynamics of a circular cylinder entering into water horizontally for low Froude numbers is experimentally studied. A high-speed digital video camera system is used to record the water entry process. The emphasis of this study is to investigate the three-dimensional effect on the water entry of the horizontal cylinders. A new experimental setup is built for this purpose and great effort is put on taking high quality pictures of the free surfaces. In the experiment four length to diameter ratios, two cylinder-water density ratios, and two release heights are investigated. For comparison, experiment with a sphere is also carried out. Quantitative analysis is performed based on the digital video images and the results are presented. The results obtained from this study can be used not only for understanding the physics but also for the purpose of validation of numerical models.

本文言語英語
ページ(範囲)338-350
ページ数13
ジャーナルJournal of Marine Science and Technology (Japan)
19
3
DOI
出版ステータス出版済み - 9 2014

All Science Journal Classification (ASJC) codes

  • 海洋学
  • 海洋工学
  • 材料力学
  • 機械工学

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