에어백 인플레이터의 수중폭발 특성에 대한 실험연구 An Experimental Study on UNDEX Characteristics of Airbag Inflators

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This paper deals with an experimental study of the dynamics of an underwater bubbles and shock waves, generated by rapid underwater release of highly compressed gas. Aribag inflators, which are used for automobile’s airbag system, are used to generate the extremely-rapid underwater gas release. Experimental studies of the complex underwater bubble dynamics as well as underwater shock wave were carried out in a specifically designed cylindrical water tank. The water tank is equipped with a high-speed camera and pressure sensors. The high-speed camera was used to capture the expansion and collapse of the gas bubble created by inflators, while pressure sensors was used to measure the underwater shock propagation and magnitudes. The experimental results were compared against the results of explosion of pentolite explosive. Several physical phenomena that has been observed and discussed, which are different from the explosive underwater explosion.
Publisher
대한조선학회
Issue Date
2017-10
Language
Korean
Keywords

Underwater explosion; UNDEX; Airbag inflator; Gas bubble; Shock wave; 수중폭발; UNDEX; 에어백 인플레이터; 가스 버블; 충격파

Citation

대한조선학회 논문집, v.54, no.5, pp.439 - 446

ISSN
1225-1143
DOI
10.3744/SNAK.2017.54.5.439
URI
http://hdl.handle.net/10203/238172
Appears in Collection
ME-Journal Papers(저널논문)
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