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Pressure resistance of the corrugated stainless steel membranes of LNG carriers

机译：LNG船用波纹不锈钢膜的耐压性

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摘要

Corrugated stainless steel membranes have been used as the primary barriers for LNG carriers to reduce thermal stresses at cryogenic temperatures. As the capacity of the LNG cargo is increased, however, the corrugated stainless steel membranes suffer from buckling and collapse due to increased sloshing loads in large-capacity LNG cargo carriers. In this study, the pressure resistance of the corrugated part of the stainless steel membrane was evaluated using a finite element method for better design of the LNG containment system, and an experimental equipment was developed and the pressure resistance of the stainless steel corrugations was measured and compared with the calculated results. In addition, a new membrane with high-pressure resistance and its reinforcing method were developed and evaluated experimentally.
机译：波纹不锈钢膜已被用作LNG载体的主要屏障，以减少低温下的热应力。但是，随着液化天然气货物容量的增加，由于大容量液化天然气货物船中晃荡载荷的增加，波纹不锈钢膜会发生屈曲和塌陷。在这项研究中，使用有限元方法对不锈钢膜波纹部分的耐压性进行了评估，以更好地设计LNG密封系统，并开发了实验设备并测量了不锈钢波纹的耐压性，与计算结果进行比较。此外，还开发并试验了一种新型的耐高压膜及其增强方法。

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  • 来源
    《Ocean Engineering》 |2011年第4期|p.592-608|共17页
  • 作者

    Byung Chul Kim; Soon Ho Yoon; Dai Gil Lee;

  • 作者单位

    Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, ME3221, Cuseong-dong, Yuseong-gu, Daejeon 305-701, Republic of Korea;

    Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, ME3221, Cuseong-dong, Yuseong-gu, Daejeon 305-701, Republic of Korea;

    Ocean Systems Engineering (OSE) Division in Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Cuseong-dong, Yuseong-gu,Daejeon 305-70), Republic of Korea;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    lng primary barrier membrane pressure resistance corrugation;

    机译：lng主屏障膜耐压波纹;

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