Measurement of backscattering strength of artificial bubbles in the Southern Sea of the Korean Peninsula

Bubbles greatly affect the propagation of sound waves as the acoustic characteristics of a bubble cluster in water are distinct from those of undisturbed water. Therefore, bubble clusters affect the ability of sensors to detect underwater targets by blocking or reflecting sound waves. Additionally,...

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Bibliographic Details
Published in:Frontiers in Marine Science 2024-01, Vol.10
Main Authors: Bae, Ho Seuk, Kim, Won-Ki
Format: Article
Language:English
Subjects:
acoustic Doppler current profiler
Acoustics
artificial bubble
Backscatter
backscattering strength
Bubbles
Compressed air
Design
Doppler sonar
Experiments
Homing behavior
Marine environment
military technology
Population density
Propagation
R&D
Research & development
sea experiment
Sound waves
Technology
Wakes
Water
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Summary:Bubbles greatly affect the propagation of sound waves as the acoustic characteristics of a bubble cluster in water are distinct from those of undisturbed water. Therefore, bubble clusters affect the ability of sensors to detect underwater targets by blocking or reflecting sound waves. Additionally, the bubble wakes produced by ships in movement can be detected by wake-homing torpedoes, thus greatly threatening the safety of the ship. Thus, research on bubble dynamics in water is crucial for the development of military technology. Recently, we conducted a quantitative estimation of the acoustic characteristics of artificial bubbles, including their backscattering strength, existence time, population density spectrum level and void fraction in an ideal water-tank environment. Based on our previous findings, the present study sought to measure the acoustic characteristics of artificial bubbles using an acoustic Doppler current profiler (ADCP) in the southern sea of the Korean Peninsula, which is a real marine environment. Additionally, we validated the ADCP measurements by comparing them to those obtained using a scattering strength measurement system (SSMS) developed by our team. Collectively, our findings provide a basis for the development of military technology, as well as for the study of bubble in water.
ISSN:2296-7745
2296-7745
DOI:10.3389/fmars.2023.1341989