Fatigue reliability assessment of pressure vessels is an important challenge to the engineering profession. The challenge is present during the whole life of pressure vessels. The problem is comprehensively studied and is reported in this paper. A fatigue reliability assessment technique is presented first. Nondestructive Inspections are routinely used to maintain the reliability to an acceptable level during the lifetime of a pressure vessel. At present, information from the nondestructive inspections (NDIs) is rarely used for safety evaluation. Even if no crack is detected during an inspection, it provides valuable information that is often overlooked. A reliability updating method is presented to address this weakness in the fatigue reliability evaluation of pressure vessels. The basic reliability method is extended to estimate the updated reliability. Nondestructive inspections are generally conducted at a specified time interval. To facilitate the continuous fatigue reliability evaluation, an on-line intelligent NDI technology is incorporated. The methodology is explained with the aid of an example. It is expected that the fatigue reliability evaluation of pressure vessels will be significantly improved if the proposed method is used.
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ASME/JSME 2004 Pressure Vessels and Piping Conference
July 25–29, 2004
San Diego, California, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
0-7918-4682-2
PROCEEDINGS PAPER
Fatigue Reliability Assessment and Updating With On-Line Nondestructive Inspection for Pressure Vessels
Guohua Chen,
Guohua Chen
South China University of Technology, Guangzhou, P. R. China
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Achintya Haldar
Achintya Haldar
University of Arizona, Tucson, AZ
Search for other works by this author on:
Guohua Chen
South China University of Technology, Guangzhou, P. R. China
Achintya Haldar
University of Arizona, Tucson, AZ
Paper No:
PVP2004-2966, pp. 41-48; 8 pages
Published Online:
August 12, 2008
Citation
Chen, G, & Haldar, A. "Fatigue Reliability Assessment and Updating With On-Line Nondestructive Inspection for Pressure Vessels." Proceedings of the ASME/JSME 2004 Pressure Vessels and Piping Conference. Aging Management and License Renewal. San Diego, California, USA. July 25–29, 2004. pp. 41-48. ASME. https://doi.org/10.1115/PVP2004-2966
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