Journal of the Society of Naval Architects of Korea (대한조선학회논문집)

The Society of Naval Architects of Korea (대한조선학회)
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A Study on Design Method of Blast Hardened Bulkhead Considering the Response of Shock Impulse

충격량에 대한 응답을 고려한 폭발강화격벽 설계 방법 연구

  • Myojung Kwak (R&D Institute, Daewoo Shipbuilding and Marine Engineering Co., Ltd.) ;
  • Joonyoung Yoon (R&D Institute, Daewoo Shipbuilding and Marine Engineering Co., Ltd.) ;
  • Seungmin Kwon (R&D Institute, Daewoo Shipbuilding and Marine Engineering Co., Ltd.) ;
  • Yoojeong Noh (School of Mechanical Engineering, Pusan National University)
  • 곽묘정 (대우조선해양(주) 중앙연구원) ;
  • 윤준영 (대우조선해양(주) 중앙연구원) ;
  • 권승민 (대우조선해양(주) 중앙연구원) ;
  • 노유정 (부산대학교 기계공학과)
  • Received : 2022.08.11
  • Accepted : 2022.12.02
  • Published : 2023.02.20
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Abstract

Blast Hardened Bulkhead (BHB) is an important measure that can increase the ship's survivability as well as protect the lives of the crew by mitigating the damage extent caused by an internal explosion in the ship. In particular, both the pressure and the shock impulse should be considered when designing the BHB against reflected shock waves having a high pressure with a short duration. This study proposes a design method for BHB that considers both the pressure and the shock impulse generated during the internal explosion. In addition, analysis and design concepts for accident loads such as explosion, fire, and collision of NORSOK and DNVGL, one of the international design guidelines for the curtain plate type blast hardened bulkhead type applied by the Korean Navy, are utilized. If this method is applied, it is expected that it can be used as a design concept for the pressure as well as the shock impulse of the explosion load of the curtain plate.

Keywords

Acknowledgement

본 과제는 대우조선해양과 정부(과학기술정보통신부)의 재원으로 한국연구재단의 지원을 받아 수행된 연구 (No. 2020R1A5A8018822)이며, 연구비 지원에 감사드립니다.

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