Abstract

Installing artificial fish reefs is expected to play important roles on improvement and preservation of sea environment as well as fish cultivation.As far as its effects are concerned, fish reefs should have adequate function to gather fish. In this research, the wave generated sound from fish reef is considered to be one of the most important factor to gather fish and the sound from fish reef models was measured by conducting laboratory experiments.Spectral analysis of measured sound shows that the vortex caused by wave and structure interaction generates the sound.The frequency, however, is much higher than that of vortex formation and behavior of vortex affects the properties of generated sound.

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