An inverse heat conduction analysis method for piping elbow was developed to estimate the temperature and stress distribution on the inner surface by measuring the outer surface temperature. In the paper, the accuracy for the thermal stress calculation using the inverse heat conduction analysis method was confirmed by comparing with the reference results from normal FE heat conduction and thermal stress analyses. In the case of the measured-basis fluid temperature input from a high temperature–pressure test, the inverse analysis method estimated the maximum stress change by 7% conservative comparing with the normal FE analyses.
Development of Inverse Analysis Method of Heat Conduction and Thermal Stress for Elbow—Part II
Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received March 25, 2015; final manuscript received November 8, 2015; published online May 4, 2016. Assoc. Editor: Albert E. Segall.
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Hojo, K., Ochi, M., Ioka, S., and Kubo, S. (May 4, 2016). "Development of Inverse Analysis Method of Heat Conduction and Thermal Stress for Elbow—Part II." ASME. J. Pressure Vessel Technol. October 2016; 138(5): 051207. https://doi.org/10.1115/1.4032200
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