PDP MEASUREMENTS ON NATURAL URANIUM FUEL TUBES IN D$sub 2$O
Technical Report
·
OSTI ID:4825398
Buckling measurements were made in the Process Development Pile (PDP) in D/sub 2/O-moderated lattices of tubular natural uranium fuel assemblies, placed at a triangular pitch of 7 inches. The assembly types studied included four sets of single fuel tubes and six sets of double tubes. Bucklings were determined by an analysis of the critical water heights obtained when seven test assemblies were inserted into the central test region of the PDP. The effects of removing the central fuel assemblies and of replacing them by varying numbers of poison rods were also studied. Foil activation measurements of the lattice parameters f, L/sup 2/, p, and UPSILON were made at the 7-inch pitch and, in two cases, at a pitch of 14 inches. The experimental results were compared with calculations. (auth)
- Research Organization:
- Du Pont de Nemours (E.I.) & Co. Savannah River Lab., Aiken, S.C.
- NSA Number:
- NSA-16-004678
- OSTI ID:
- 4825398
- Report Number(s):
- DP-640
- Country of Publication:
- United States
- Language:
- English
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