碩士 / 國立成功大學 / 水利及海洋工程學系 / 84 / The purpose of the present study is to analyze the dynamic
behavior of abubble generated by underwater explosions. First of
all, the Rayleigh-Plessetequation has been solved to determine
the change of bubble radius underdifferent initial conditions.
Effects of different damping mechanisms,such asviscosity,
radiation, and thermal dampings on the bubble oscillation have
alsobeen discussed. Regarding to the bubble collapse, the
Rayleigh''s analysis of a spherical cavity in an inviscid
incompressible fluid has been extent to differentthermodynamical
processes to determine the pressure fields near a collapsing
bubble. Finally, a three-dimensional boundary element method has
been developed to simulate the bubble collapse near a plane
solid boundary. Thebubble jetting, as observed in the process of
bubble collapse, can be simulatedby the present numerical
mentod. Effects of the initial gas pressure inside thebubble as
well as the bubble radius on the jetting velocity have been
discussedsystematically.
| Identifer | oai:union.ndltd.org:TW/084NCKU0083034 |
| Date | January 1996 |
| Creators | Yin, Shiaw Yung, 尹孝元 |
| Contributors | C. J. Huang, 黃清哲 |
| Source Sets | National Digital Library of Theses and Dissertations in Taiwan |
| Language | zh-TW |
| Detected Language | English |
| Type | 學位論文 ; thesis |
| Format | 88 |
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