Wire-wrap bundle compression-characteristics study. Phase I. [LMFBR]

Technical Report · Sat Jun 01 04:00:00 EDT 1974

DOI:https://doi.org/10.2172/5336062· OSTI ID:5336062

Chertock, A. J.

An analytical computer comparison was made of the compression characteristics of proposed wire-wrap bundles. The study included analysis of 7- and 37-rod straight-start bundles (base configuration), and softened 37-rod configurations. The softened configurations analyzed were: straight-start with distributed wireless fuel rods, and the staggered wire-wrap start angles of 0/sup 0/-30/sup 0/-60/sup 0/ and 0/sup 0/-45/sup 0/-90/sup 0/. The compression of the bundle simulates the bundle-to-channel interference at end-of-life conditions at which high differential swelling between the channel and bundle has been predicted. The computer results do not include the so-called dispersion effects. The effects of other variables such as pitch length, creep, axial variations in swelling, and degree of swelling were not studied. These analytic studies give an indication of trends only. No credence should be given to specific quantitative load or deflection results quoted in this report.

• Research Organization: General Electric Co., Sunnyvale, CA (USA). Breeder Reactor Dept.
• DOE Contract Number: AT03-76SF77011
• OSTI ID: 5336062
• Report Number(s): DOE/SF/77011-T4; ON: DE82005384
• Country of Publication: United States
• Language: English

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