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

The Society of Naval Architects of Korea (대한조선학회)
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Experimental Assessment of Dynamic Strength of Membrane Type LNG Carrier Insulation System

멤브레인 LNG선 방열시스템 동적강도 실험적 특성평가

  • Lee, Jun-Hwan (Dept. of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Choi, Woo-Chul (Dept. of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Kim, Myung-Hyun (Dept. of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Kim, Wha-Soo (Hyundai Heavy Industries, Co.,Ltd.) ;
  • Noh, Byeong-Jae (Hyundai Heavy Industries, Co.,Ltd.) ;
  • Choe, Ick-Hung (Hyundai Heavy Industries, Co.,Ltd.) ;
  • Lee, Jae-Myung (Dept. of Naval Architecture and Ocean Engineering, Pusan National University)
  • Published : 2007.06.20
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Abstract

The objective of this paper is to investigate the dynamic strength characteristics of LNG carriers cargo containment system under impact loads experimentally. The material properties were experimentally obtained for individual components of MARK III insulation system. A series of impact tests was performed using a custom-built drop experiment facility as varying heights and weights of the drop object. Crack initiation and propagation were measured during the cyclic dry drop experiment. The quantitative relationship between impact load and crack initiation as well as the cycle number and crack propagation were reported.

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References

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