Affiliation:
1. The Institute for Applied Research, Ben-Gurion University of the Negev, P.O.B. 653, Beer-Sheva, 84105, Israel
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]
Cited by
1 articles.
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