Nonuniqueness in Steady-State Heat Transfer in Prestressed Duplex Tubes—Analysis and Case History

[+] Author and Article Information
M. G. Srinivasan, D. M. France

Components Technology Division, Argonne National Laboratory, Argonne, Ill. 60439

J. Appl. Mech 52(2), 257-262 (Jun 01, 1985) (6 pages) doi:10.1115/1.3169037 History: Received January 01, 1984; Revised August 01, 1984; Online July 21, 2009


More than one steady-state solution is shown to exist for the problem of steady-state heat transfer across the walls of a duplex tube when the initial prestress between the inner and outer tubes is sufficiently low. This determination was used in explaining the apparently erratic heat-transfer performance of prestressed duplex tubes in the steam generating system of the Experimental Breeder Reactor II. The importance of the results lies not only in showing that nonuniqueness of steady-state solution applies to more complex geometries than heretofore analyzed, but also in demonstrating that such multiple steady-state conditions appear in practical situations.

Copyright © 1985 by ASME
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