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A Neutronics Shielding Mock-Up Experiment for Reduction of Uncertainty on the Prediction of the ITER-TFC Nuclear Heating

M. Angelone, P. Batistoni, F. Moro, M. Pillon, R. Villari, M. Loughlin

Fusion Science and Technology / Volume 61 / Number 2 / Pages 124-128

February 2012


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A mock-up of the inboard shield and vacuum vessel of ITER was set up at ENEA Frascati and irradiated with 14-MeV neutrons produced by the Frascati Neutron Generator. The mock-up includes the coil region, and its dimensions and materials composition are consistent with the latest ITER design. The objective of the experiment is to validate the calculations of nuclear heating in the ITER toroidal field coil performed with the Monte Carlo code MCNP-5 and the FENDL-2.1 library, through measurement performed by thermoluminescent dosimeters. The goal was to reach a calculated-to-experiment accuracy of less than or equal to ±10%, possibly as low as ±8%.

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