Monitoring of Transient Temperature Distribution in Piping

[+] Author and Article Information
K. Baba, M. Ochi

Electronics Division, Mitsubishi Heavy Industries, Ltd., Wadasaki-cho Hyogo-ky Kobe 652, Japan

J. Pressure Vessel Technol 116(4), 419-422 (Nov 01, 1994) (4 pages) doi:10.1115/1.2929610 History: Received September 02, 1993; Revised July 11, 1994; Online June 17, 2008


A numerical method for monitoring temperature distribution in which boundary flux and initial state are unknown is presented. Regularizations based on Tikhonov and Beck’s method are employed. Then, regularization parameters are evaluated by the L -curve. The method is applied to an actual piping problem in a steam power plant and compared with measured data, and it is also applied to a two-dimensional thermal shock problem.

Copyright © 1994 by The American Society of Mechanical Engineers
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