Failure Analysis of Flow-induced Vibration Problem of in-serviced Duplex Stainless Steel Piping System in Oil and Gas Industry.

Kong, K.K., Khoo, S.Y., Ong, Z.C., Eng, H.C., Ismail, Z., Chong, W.T., Noroozi, S. and Rahman, A.G.A., 2014. Failure Analysis of Flow-induced Vibration Problem of in-serviced Duplex Stainless Steel Piping System in Oil and Gas Industry. Materials Research Innovations, 18 (S6), pp. 417-422.

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DOI: 10.1179/1432891714Z.000000000990

Abstract

Failure of the duplex stainless steel piping system in oil and gas industry can have disastrous effects. In this study, a novel method of failure analysis of flow-induced vibration problem of in-serviced duplex stainless steel piping system is proposed. The proposed non-destructive technique is able to determine a suitable operating condition for continuous operation without failure. The technique relies on the combined operation of operational modal analysis, operating deflection shape analysis and linear elastic finite element analysis. The effect of different operating conditions for two distinct valve opening cases (i.e. fully opened and partially opened) on the dynamic stress is examined, and they are utilised for forecasting purpose in failure analysis. The result shows that maximum operating conditions are 360 and 400 mmscfd for fully opened and partially opened flow control valves, respectively. Beyond this limit, the piping system most likely will fail.

Item Type:Article
ISSN:1432-8917
Uncontrolled Keywords:Duplex stainless steel, Failure analysis, Finite element analysis, Flow-induced vibration, In-serviced pipe, Non-destructive, Operational modal analysis
Subjects:UNSPECIFIED
Group:Faculty of Science & Technology
ID Code:24939
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:08 Nov 2016 16:28
Last Modified:08 Nov 2016 16:28

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