Local hot spots can occur in some pressure vessels and piping systems used in industrial processes. The hot spots could be a result of, for instance, localized loss of refractory lining on the inside of pressure components or due to a maldistribution of process flow within vessels containing catalysts. The consequences of these hot spots on the structural integrity of pressure components are of considerable importance to plant operators. The paper addresses structural integrity issues in the context of codes and standards design framework. Interaction of hot spots, as is the case when multiple hot spots occur, is addressed. An assessment method, suitable for further development of a Level 2 “Fitness-for-Service” methodology, is discussed and applied to a commonly used pressure component configuration.
Integrity Assessment of Pressure Components With Local Hot Spots
Contributed by the Pressure Vessels and Piping Division for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received by the PVP Division January 1, 2004; revision received August 23, 2004. Review conducted by: G. E. O. Widera.
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Seshadri, R. (May 27, 2005). "Integrity Assessment of Pressure Components With Local Hot Spots ." ASME. J. Pressure Vessel Technol. May 2005; 127(2): 137–142. https://doi.org/10.1115/1.1858923
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