Abstract
The verification and validation (V&V) of the Serpent 2 Monte Carlo code for 3-D reactor dosimetry applications is being carried out at VTT. Two code-to-code computational benchmark cases were calculated by MCNP and Serpent 2. The computational efficiency of different variance reduction techniques was appraised. The validation part currently includes two experimental benchmarks from the SINBAD database: the Pool Critical Assembly-Pressure Vessel Facility (PCA); and the H.B. Robinson-2 (HBR-2) Pressure Vessel Dosimetry Benchmark. All simulations replicate the benchmark source specifications at pin level thanks to the development of a flexible, geometry-independent, fixed source definition for reactor dosimetry applications. Good agreement was found in all benchmark cases.
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