Study on Threaded Connection’s Strength in Gas Storage Well Using Finite Element Analysis

Bai Song Cai

doi:10.4028/www.scientific.net/AMR.1021.111

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1021Study on Threaded Connection’s Strength in Gas...

Study on Threaded Connection’s Strength in Gas Storage Well Using Finite Element Analysis

Abstract:

Sealing property of threaded connection in gas storage wells is of great importance to the safety operation condition of CNG filling station. Indoor leakage tests of threaded-connect pipes are conducted and mathematical models to calculate the axial and thread contact stresses are established. Moreover, finite element analysis is used to figure out the maximum equivalent Von Mises stress in threaded connection. The results show that strain and stress of tested pipes have the linear distribution regularity. Also, it can be seen from the stress nephogram that the first to fourth pairs of threads bear 40% of the whole load and if the first pair has slip phenomena, other pairs of threads would be affected easily which leads to the possibility of gas storage well leakage.

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Periodical:

Advanced Materials Research (Volume 1021)

Pages:

111-114

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1021.111

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Online since:

August 2014

Authors:

Bai Song Cai*

Keywords:

Finite Element, Gas Storage Well, Strength Analysis, Thread

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* - Corresponding Author

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