Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/161943
Title: A transient-features-based diagnostic method of multi incipient cracks in pipeline systems
Authors: Zhang, Boran
Wan, Wuyi
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2022
Source: Zhang, B. & Wan, W. (2022). A transient-features-based diagnostic method of multi incipient cracks in pipeline systems. International Journal of Pressure Vessels and Piping, 199, 104701-. https://dx.doi.org/10.1016/j.ijpvp.2022.104701
Journal: International Journal of Pressure Vessels and Piping
Abstract: Previously the hydraulic characteristics of intermittent leakage through in-pipe incipient cracks were revealed by experiment, and the corresponding numerical simulation model was established to find general features of the special phenomenon. In this study, further investigation on diagnosing the incipient cracks was carried out using numerical analysis based on the hydraulic transient features. In addition to the previously extracted relationships between in-pipe transient flow and crack characteristics, more features of interactions among multi-cracks and in-pipe turbulence were revealed. Based on the findings, a kind of Transient-features-based Diagnostic Method was proposed to detect and predict the location of incipient cracks. The precision of the prediction was validated to be most accurate for the downstream crack. Aided with anti-streamwise cyclic progressive repairing strategy, the proposed diagnostic method will realize a significant reduction of costs for pipeline maintenance compared to traditional ways.
URI: https://hdl.handle.net/10356/161943
ISSN: 0308-0161
DOI: 10.1016/j.ijpvp.2022.104701
Rights: © 2022 Elsevier Ltd. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:EEE Journal Articles

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