文献类型：期刊文献

中文题名：基于ISO 13679A系载荷的特殊螺纹接头密封性能仿真研究

英文题名：Simulation of Sealing Ability for Premium Connection Based on ISO 13679 Series A Test

作者：单涵[1];王成[1];许雷明[2];高连新[1]

机构：[1]华东理工大学机械与动力工程学院,上海200237;[2]江苏常宝普莱森钢管有限公司,江苏常州213200

年份：2023

卷号：48

期号：10

起止页码：86

中文期刊名：润滑与密封

外文期刊名：Lubrication Engineering

收录：CSTPCD;;Scopus;北大核心:【北大核心2020】；CSCD:【CSCD_E2023_2024】；

基金：中国石油科技创新基金项目(2019D-507-0305)。

语种：中文

中文关键词：特殊螺纹接头;密封性能;仿真评价;塑性应变;ISO 13679

外文关键词：premium connection;sealing ability;simulation evaluation;plastic strain;ISO 13679

摘要：基于ISO 13679标准和密封性能机制,借助有限元软件对某特殊螺纹接头进行高温和室温环境下A系全包络线载荷试验评价,分析其在服役环境下的密封性能。依据密封性能机制分析不同载荷循环后的密封能与密封能倍数变化规律,并对关键载荷点进行密封性能的对比分析。研究表明:特殊螺纹接头对高温(180℃)和室温95%VME(等效应力水平)包络线载荷循环相对敏感,密封面的平均塑性应变是影响接头密封性能的重要因素,一次完整A系循环试验后,特殊螺纹接头密封面上的接触应力和接触长度均减小,接头整体仍能保持气密封性能。运用有限元分析方法可有效模拟ISO 13679 A系试验过程中的受载条件,且密封性能仿真结果与实物试验结果一致。该方法可提高特殊螺纹接头的开发效率,具有替代实物试验的可行性。
Based on the ISO 13679 and the theory of the sealing capacity,the Series A full envelope load test evaluation of a premium connection was carried out at high temperature and ambient temperature with the help of finite element software,and the sealing performance of the premium connection in service conditions was analyzed.Based on the theory of the sealing capacity,the change rules of the sealing energy and the sealing energy multiple of the premium connection after the circulation of different equivalent full envelope loads,and the key factor of the sealing ability was compared and analyzed.The results show that premium connection are sensitive to high temperature(180℃)and 95%VME(equivalent stress level)load cycles at ambient temperature,and the average plastic strain on sealing surface is the key factor influencing the sealing ability.Both the contact pressure and the contact length decrease during a period of cycle,but the premium connection can still maintain good sealing ability.The finite element analysis method can effectively simulate the loading conditions of the ISO 13679 Series A full envelope load test,and the sealing performance simulation results are consistent with the actual test results.This method can improve the development efficiency of the premium connection,and it’s feasible to replace the full scale tests.