NDLI: Stress analysis of a double-wall vacuum vessel for ITER

Content Provider	IEEE Xplore Digital Library
Author	Conner, D.L. Williamson, D.E. Nelson, B.E.
Copyright Year	1991
Description	Author affiliation: Oak Ridge Nat. Lab., TN, USA (Conner, D.L.; Williamson, D.E.; Nelson, B.E.)
Abstract	The preliminary structural analyses performed in support of the design of the vacuum vessel for the International Thermonuclear Experimental Reactor (ITER) are described. A thin, double-wall, all-welded structure is the proposed design concept analyzed. The results of the static stress analysis indicate the adequacy of such a structure. The effects of the proposed high-aspect-ratio design configuration on loading and stresses are also discussed. It is concluded that the thin-wall 'sandwich' structure is a feasible alternative to the ITER baseline thick-wall design. The vacuum vessel could be easily cooled and operated with a reasonable factor of safety during a plasma disruption. Further development and design could easily eliminate any problem areas or stress concentrations remaining in the vacuum vessel design. The analysis of the HARD (high-aspect-ratio design) configuration revealed some changes in load distribution and magnitude, reflected in lower stresses than in the ITER CDA design.<>
Starting Page	988
Ending Page	991
File Size	296409
Page Count	4
File Format	PDF
ISBN	0780301323
DOI	10.1109/FUSION.1991.218781
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1991-09-30
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Thermal stresses Geometry Finite element methods Solid modeling Ribs Inductors Electromagnetic forces Thin wall structures Magnetic analysis Load modeling
Content Type	Text
Resource Type	Article

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