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阎军

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates


Main positions:Deputy director of the Department of Engineering Mechanics
Gender:Male
Alma Mater:Dalian University of Technology
Degree:Doctoral Degree
School/Department:Engineering Mechanics
Discipline:Engineering Mechanics. Computational Mechanics. Solid Mechanics. Aerospace Mechanics and Engineering. Design and Manufacture of Ship and Ocean Structure
Business Address:Room 305, Engineering Mechanics Department Building
Contact Information:0411-84706832
E-Mail:yanjun@dlut.edu.cn
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Current position: Home >> Scientific Research >> Paper Publications

海洋柔性管道接头楔形环锯齿密封性能数值模拟

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Indexed by:期刊论文

Date of Publication:2017-11-15

Journal:油气储运

Volume:37

Issue:1

Page Number:108-115

ISSN No.:1000-8241

Key Words:海洋柔性管道;非粘结管道;接头;楔形密封环;锯齿;密封准则;数值模拟

Abstract:密封环上的锯齿对非粘接管道接头密封性能影响明显,而实际分析密封结构时很难建立带锯齿的精细模型.针对某海域使用的非粘接管道接头密封环,明确了适用的密封准则,建立了锯齿密封模型,根据压入深度的敏感度分析得到了最佳压入深度范围,并提取了对应的放大系数,结果表明:该模型结构有一个较优的压入深度范围,在该范围内密封性能的最大接触压力及有效密封长度比例取值均较优;采用无锯齿简化模型结合放大系数可以近似预测真实结构的密封性能.该研究方法可为精细化设计楔形密封环几何尺寸提供指导,同时也可为分析尺度跨度较大的结构提供思路.(图15,表3,参20)