热载荷作用下海底连接器金属垫片接触载荷及结构强度预测的解析计算方法

IF 1.5 4区 工程技术 Q3 ENGINEERING, MARINE
Kang Zhang, H. Cheng, Junpeng Liu, Haining Wang
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引用次数: 1

摘要

确定由内外流体温差引起的热载荷对结构密封性能和强度的影响是海底连接器设计中一个长期存在的问题。然而,由于垫片几何表面的边界条件是垫片与轮毂相互作用的接触约束,用现有的理论方法难以分析和计算热载荷下垫片的结构应力和密封参数。本文提出了考虑这种特殊边界条件的热-结构耦合强度和密封性能的解析计算方法(ACM)。将热负荷转化为等效压缩负荷,即集中力,作用于垫片的接触区域。此外,提出了一个热-结构耦合有限元模型来验证ACM,结果显示了很好的一致性。综上所述,这项工作有助于设计更有可能考虑热负荷的海底连接器。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analytical calculation method for predicting contact loads and structural strength of metallic gasket of subsea connectors under thermal loads
Identifying the effect of thermal loads that are caused by temperature differences of inner and outer fluids on the structural sealing performance and strength is a long-standing quest in the design of subsea connectors. However, the structural stress and sealing parameters of the gasket under thermal loads are difficult to analyze and calculate using the current theoretical method because the boundary conditions of the gasket’s geometry surface are contact constraints interacted by the gasket and hubs. This paper presents an analytical calculation method (ACM) that evaluates the thermal-structural coupling strength and sealing performance considering such special boundary conditions. The thermal load is converted into an equivalent compression load, that is, a concentrated force, and applied to the contact region of the gasket. Additionally, a thermal-structural coupling finite element model is proposed to verify the ACM and the results show good agreement. Taken together, this work contributes to the design of subsea connectors that more likely take thermal loads into account.
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来源期刊
CiteScore
3.90
自引率
11.10%
发文量
77
审稿时长
>12 weeks
期刊介绍: The Journal of Engineering for the Maritime Environment is concerned with the design, production and operation of engineering artefacts for the maritime environment. The journal straddles the traditional boundaries of naval architecture, marine engineering, offshore/ocean engineering, coastal engineering and port engineering.
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