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http://dx.doi.org/10.7776/ASK.2009.28.3.187

The Effects of Ocean Surface Bubbles on Sound Wave Transmission  

Im, Byun-Kook (숭실대학교 정보통신전자공학부)
Shim, Tae-Bo (숭실대학교 정보통신전자공학부)
Kim, Young-Gyu (국방과학연구소)
Park, Joung-Soo (국방과학연구소)
Publication Information
The Journal of the Acoustical Society of Korea / v.28, no.3, 2009 , pp. 187-197 More about this Journal
Abstract
The bubbles are created by waves, raindrops, water collision, vessels sailing at sea, life activities of various marine organisms in the ocean and other sources. The bubbles affect the intensity and sound speed of acoustic waves in the ocean. We indirectly observed bubbles in order to understand the creation of and the effects of bubbles on sound waves, using an Acoustic Bubble Spectrometer (ABS) and CTD, from 04:00 to 17:00, 19 September, 2007. We also analyzed the correlation of wind speed and the generation of bubbles, the amount of bubbles, and the sound speed variation at 50, 60, and 70 kHz. Finally, We simulated the way how bubbles affect sound transmission based on the analysis results.
Keywords
Bubble; Resonance frequency; ABS (Acoustic Bubble Spectrometer); CTD; sound wave;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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