Measurements of the depth-dependent characteristics of light bulb implosion SCIE SCOPUS KCI

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Title
Measurements of the depth-dependent characteristics of light bulb implosion
Author(s)
Cho, Sungho; Kang, Donhyug
KIOST Author(s)
Cho, Sungho(조성호)Kang, Don Hyug(강돈혁)
Publication Year
2015-11
Abstract
Impulsive signals generated by the implosion of an incandescent light bulb were measured in shallow water with implosion depths in the range of 10 - 80 m. The received waveform was characterized by successive negative and positive pressure pulses originating from the bubble oscillation process. The time intervals between successive bubble pulses decreased with increasing implosion depth and the peaks of subsequent bubble oscillations dissipated relatively quickly. In this paper, semi-empirical formulas are derived to model the depth-dependent characteristics of the bulb implosion signal, including the time interval between bubble pulses and peak source level. The model predictions are compared with the measured signals and with the results in the literature. Possible causes of the differences in the comparison with previous results are discussed.
ISSN
0374-4884
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/2384
DOI
10.3938/jkps.67.1563
Bibliographic Citation
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.67, no.9, pp.1563 - 1568, 2015
Publisher
KOREAN PHYSICAL SOC
Subject
GEOACOUSTIC INVERSION; WATER; SOUND
Keywords
Implosion of incandescent light bulb; Bubble pulse period; Peak source level; Primary resonant frequency
Type
Article
Language
English
Document Type
Article
Publisher
KOREAN PHYSICAL SOC
Related Researcher
Research Interests

Underwater Acoustic Modeling,Signal Processing,Underwater Target Detection,수중음향모델링,신호처리,수중표적탐지

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