不同布置方向下LNG燃料罐的疲劳强度
Fatigue Strength of LNG Fuel Tanks in Various Arrangement Directions
投稿时间:2017-07-07  修订日期:2017-11-29
DOI:10.13788/j.cnki.cbgc.2017.12.027
中文关键词:  LNG燃料罐  布置方向  疲劳强度
英文关键词:LNG fuel tanks  arrangement direction  fatigue strength
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作者单位E-mail
徐燕龙 大连理工大学 1198260777@qq.com 
于雁云 大连理工大学 yuyanyun@dlut.edu.cn 
俞为 大连理工大学  
林焰 大连理工大学  
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中文摘要:
      依据中国船级社2016年11月新修订的《天然气燃料动力船舶规范》,利用S-N曲线及长期分布载荷谱对LNG燃料罐有限元模型进行计算,求得疲劳累积损伤值。按照新版规范对不同布置方向的LNG燃料罐进行疲劳强度分析,并得到罐体纵向布置时疲劳累计损伤值更小的结论。
英文摘要:
      According to the "Rules for Natural Gas Fuelled Ships" that CCS newly revised in November 2016, the cumulative fatigue damage values are calculated by using the S-N curves and the long-term distributed load spectrum. The fatigue strength analysis of LNG fuel tanks in various arrangement is carried out according to the new regulation, and the conclusion is that the cumulative fatigue damage value is smaller when the tank is longitudinally arranged.
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