深潜器载人球壳规范设计公式的比较(英文)

A Comparison of Different Rules for the Spherical Pressure Hull of Deep Manned Submersibles

文章首先简要地介绍了几个船级社现有的关于深潜器载人球壳的规范设计公式,这些公式背后的理论基础要么是经典的屈服破坏或屈曲破坏。然后,应用这些规范公式对国际上现有的几个载人潜水器耐压球壳的设计厚度进行了计算,在计算中统一了输入的设计参数并将这些计算结果进行了比较。比较表明,不同船级社设计公式给出的球壳厚度存在很大差别,绝大多数设计规范计算出的厚度都超过潜水器的实际壳厚。因此,作者认为非常有必要对各船级社的规范设计公式进行更新,最好能像民船共同规范一样给出统一的球壳设计公式。最后,文中对如何建立统一公式的研究过程提出了建议。

A brief description of current available design rules for spherical pressure hull of deep manned submersibles is provided,and the common foundation of these rules is found to be either the classical yielding load formula or critical elastic buckling load formula.Then these rules are used to calculate the shell thickness of the spherical pressure hulls of several existing submersibles.The calculation results are compared after the unification of input parameters of all design rules.According to this comparison,it is found that there is significant difference among the calculation results of these rules and the design thickness calculated by most rules is much larger than the actual design thickness of existing pressure hulls.Thus it is appealed to be urgent and necessary to update and unify current design rules.Finally,the process of establishing the new design rule is proposed.