Abstract
A simple model is proposed to explain the generation of low-frequency oscillations of bubble plumes. the bubbly medium surrounded by water is considered as a waveguide {cylindrical plume [N. Q. Lu et al., IEEE J. Ocean. Eng. 15, 275–281 (1990)]}, with Bessel functions [Jm(•)] representing the oscillatory nature of the acoustic field inside the plume while modified Bessel functions [Km (•)] represent the evanescent field in the bubble-free water. the resonant frequencies of the plume have been calculated as a function of the void fraction. There is reasonable agreement between theoretically calculated frequencies and the experimentally observed acoustic signals. ‘.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1362-1364 |
| Number of pages | 3 |
| Journal | Journal of the Acoustical Society of America |
| Volume | 93 |
| Issue number | 3 |
| DOIs | |
| State | Published - Mar 1993 |
All Science Journal Classification (ASJC) codes
- Arts and Humanities (miscellaneous)
- Acoustics and Ultrasonics
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