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AbstractAbstract
[en] Fluence rate, fluence, and activity calculations are presented for each of three exposures (two surveillance capsules and a pressure vessel capsule) performed during the two-year metallurgical blind test experiment at the ORR-Poolside Facility in Oak Ridge. This experiment is intended to serve as an international metallurgical benchmark, and the spectral fluence calculations described in this report have been made available to the international community in pressure vessel dosimetry to be used in their damage assessment studies and/or adjustment procedures. Following the same simplified calculational methods introduced and described in a reanalysis of the startup experiment, fission source distributions were obtained from 3-dimensional diffusion theory for most of the 52 cycles active during the course of the complete experiment, combined in small groups, and the resultant ex-core group fluxes calculated by two-dimensional discrete ordinate transport theory. Dosimeter activities at the end of each of the three irradiations were calculated by decaying the saturated activities obtained for each group of cycles and summing over the pertinent cycles
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Oct 1984; 47 p; ORNL/TM--9265; Available from NTIS, PC A03/MF A01 - GPO as TI85001905
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