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Title: PBMR 400 Coupled Code Benchmark: Challenges and Successes with NEM-THERMIX

Conference ·
OSTI ID:911810

Presented are preliminary results of a sensitivity study on mesh sizing and diffusion coefficient on a the core multiplication factor in a pebble bed reactor core simulation. Nonphysical behavior is observed for ranges of mesh size and diffusion coefficients. A guideline was established for avoiding this problem in subsequent models.

Research Organization:
Idaho National Lab. (INL), Idaho Falls, ID (United States)
Sponsoring Organization:
DOE - NE
DOE Contract Number:
DE-AC07-99ID-13727
OSTI ID:
911810
Report Number(s):
INL/CON-06-11435; TRN: US0800151
Resource Relation:
Conference: Annual Meeting ,Reno, NV,06/04/2006,06/08/2006
Country of Publication:
United States
Language:
English