Performance of a gasketed joint under bolt up and combined pressure, axial and thermal loading – FEA study

Muhammad Abid, David Hugh Nash, Saif Javed, Hafiz Abdul Wajid

Research output: Contribution to journalArticle

Abstract

In this paper the strength and sealing performance of a gasketed bolted flanged pipe joint is studied under bolt up and combined operating conditions using 3D nonlinear finite element analysis. The key combinations of internal pressure, axial and thermal loading are considered. The strength of the joint is seen to be affected by the axial and thermal loading combination whereas the joint sealing is seen to be dependent on the bolt up strategy during assembly and is slightly affected under pressure but only partially affected under axial loading in certain locations. Thermal loading was also considered and was found to have a significant effect on the sealing performance up to 100 °C, but beyond that no sealing was observed, resulting in the possibility of leakage and hence increasing the risk of overall joint failure. Finally, the joint load capacities are determined under various combined loadings showing its safe and unsafe operational limits.

LanguageEnglish
Pages166-173
Number of pages8
JournalInternational Journal of Pressure Vessels and Piping
Volume168
Early online date12 Oct 2018
DOIs
Publication statusPublished - 31 Dec 2018

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Bolts
Finite element method
Pipe joints
Bolted joints
Hot Temperature

Keywords

  • axial
  • bolt up
  • finite element analysis

Cite this

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abstract = "In this paper the strength and sealing performance of a gasketed bolted flanged pipe joint is studied under bolt up and combined operating conditions using 3D nonlinear finite element analysis. The key combinations of internal pressure, axial and thermal loading are considered. The strength of the joint is seen to be affected by the axial and thermal loading combination whereas the joint sealing is seen to be dependent on the bolt up strategy during assembly and is slightly affected under pressure but only partially affected under axial loading in certain locations. Thermal loading was also considered and was found to have a significant effect on the sealing performance up to 100 °C, but beyond that no sealing was observed, resulting in the possibility of leakage and hence increasing the risk of overall joint failure. Finally, the joint load capacities are determined under various combined loadings showing its safe and unsafe operational limits.",
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Performance of a gasketed joint under bolt up and combined pressure, axial and thermal loading – FEA study. / Abid, Muhammad; Nash, David Hugh; Javed, Saif; Wajid, Hafiz Abdul.

In: International Journal of Pressure Vessels and Piping, Vol. 168, 31.12.2018, p. 166-173.

Research output: Contribution to journalArticle

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