High-Frequency Acoustic Emission Generated by Underwater Explosion with Cylindrical SymmetrySource: Journal of Vibration and Acoustics:;2000:;volume( 122 ):;issue: 002::page 140Author:L. Likhterov
DOI: 10.1115/1.568450Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A high-frequency part of the acoustic spectrum excited by an underwater explosion with cylindrical symmetry is investigated theoretically. It is assumed that the liquid is inviscid, the surface tension is negligible, and the model for the explosive source is infinite in extent. A simple solution can be obtained when the adiabatic exponent is equal to 1.625. This, fortunately, gets into the interval of permissible heat ratio values. It is shown that, in the first approximation, the spectral density of the acoustic energy emitted by the underwater explosion with cylindrical symmetry varies as the minus 4/3 power of the frequency and decreases approximately by 4 decibels per octave. [S0739-3717(00)01202-2]
keyword(s): Spectra (Spectroscopy) , Explosions , Acoustics , Acoustic emissions , Cavities , Spectral energy distribution , Approximation , Heat , Decibels AND Motion ,
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| contributor author | L. Likhterov | |
| date accessioned | 2017-05-09T00:03:47Z | |
| date available | 2017-05-09T00:03:47Z | |
| date copyright | April, 2000 | |
| date issued | 2000 | |
| identifier issn | 1048-9002 | |
| identifier other | JVACEK-28851#140_1.pdf | |
| identifier uri | http://yetl.yabesh.ir/yetl/handle/yetl/124575 | |
| description abstract | A high-frequency part of the acoustic spectrum excited by an underwater explosion with cylindrical symmetry is investigated theoretically. It is assumed that the liquid is inviscid, the surface tension is negligible, and the model for the explosive source is infinite in extent. A simple solution can be obtained when the adiabatic exponent is equal to 1.625. This, fortunately, gets into the interval of permissible heat ratio values. It is shown that, in the first approximation, the spectral density of the acoustic energy emitted by the underwater explosion with cylindrical symmetry varies as the minus 4/3 power of the frequency and decreases approximately by 4 decibels per octave. [S0739-3717(00)01202-2] | |
| publisher | The American Society of Mechanical Engineers (ASME) | |
| title | High-Frequency Acoustic Emission Generated by Underwater Explosion with Cylindrical Symmetry | |
| type | Journal Paper | |
| journal volume | 122 | |
| journal issue | 2 | |
| journal title | Journal of Vibration and Acoustics | |
| identifier doi | 10.1115/1.568450 | |
| journal fristpage | 140 | |
| journal lastpage | 142 | |
| identifier eissn | 1528-8927 | |
| keywords | Spectra (Spectroscopy) | |
| keywords | Explosions | |
| keywords | Acoustics | |
| keywords | Acoustic emissions | |
| keywords | Cavities | |
| keywords | Spectral energy distribution | |
| keywords | Approximation | |
| keywords | Heat | |
| keywords | Decibels AND Motion | |
| tree | Journal of Vibration and Acoustics:;2000:;volume( 122 ):;issue: 002 | |
| contenttype | Fulltext |