The Proceedings of the Fluids engineering conference
Online ISSN : 2424-2896
2010
Session ID : 0411
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0411 Behavior of the submerged cavities formed by impinging on the free surface and the surfaces of a test specimen
Yukio ItoMasaki Kobayashi
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract
To clear the time-dependent feature of the cavity in a submerged water jet, we study the high-speed behavior of the cavity development process from the free surface to the surface of the test specimen, by means of a high-speed video camera and the VOF-simulation method. It is found that after the water jet impacts on the free surface, the submerged jet forms a cavity, whose configuration is similar to a line like a string of beads within a limited time, and the time series of the cavity aspect correspond to those simulated by VOF method.
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© 2010 The Japan Society of Mechanical Engineers
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