Abstract
An advanced integral approach has been implemented for neutronic analyses of the European test blanket modules (TBMs) in ITER. The central element of this approach is the use of the geometry conversion tool McCad for the generation of Monte Carlo analysis models from CAD geometry data. Following this approach, an MCNP model of the test blanket port plug with HCPB and HCLL TBM assemblies, elaborated by the European TBM Consortium of Associates (CA), was generated and integrated into the Alite MCNP model of ITER. Neutronic performance and shielding analyses were conducted on the basis of MCNP-5 calculations for the HCPB and HCLL TBMs and the entire shield system. The results indicated the need for a further optimization of the shield system complemented by a rigorous shutdown dose rate analysis.
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