Nonlinear thermal and structural analysis of a brazed solar-central-receiver panel [electronic resource].

Published:: Albuquerque, N.M. : Sandia National Laboratories, 1981.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:: Pages: 45 : digital, PDF file
Additional Creators:: Sandia National Laboratories and United States. Department of Energy. Office of Scientific and Technical Information

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Summary:

One part of the evaluation program for a molten sodium central receiver was to be a test of a reduced-scale panel at Sandia's Central Receiver Test Facility in Albuquerque. The panel incorporates a new way of joining tubes - brazing to intermediate filler strips - which can affect the panel's lifetime. To calculate the stresses and strains for the worst-case section of the experimental panel, we have done a nonlinear elastic-plastic analysis with the MARC finite element computer code, which takes the temperature dependence of the material properties into account. From the results, tube design lifetimes are predicted. The analysis shows that concerns for cracking and reduction in lifetime are warranted, but a more detailed fracture analysis is necessary to determine whether there is a stable-crack-growth problem.

Report Numbers:

E 1.99:sand-81-8017
sand-81-8017

Subject(s):

Solar Energy

Other Subject(s):

Note:

Published through SciTech Connect.
07/01/1981.
"sand-81-8017"
"DE81025458"
Napolitano, L.M. Jr.; Kanouff, M.P.

Funding Information:

AC04-76DP0789

View MARC record | catkey: 14797554