Monte Carlo analysis of helium production in the ITER shielding blanket module

Sato, Satoshi; Iida, H.; Plenteda, Romano; Santoro, R.T.

doi:10.1016/s0920-3796(99)00006-x

Cited by 5 publications

(1 citation statement)

References 10 publications

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“…Each blanket module is remotely installed at an individual position. In this process, the gaps between the blanket modules occur and the streaming [2,3] through the gap affects the performance of the fusion reactor. The fusion reactor is a large facility; hence, the neutron flux evaluation at the local region is difficult with Monte Carlo method.…”

Section: Introductionmentioning

confidence: 99%

A preliminary study on streaming effect through the gap of blanket modules for a K-DEMO fusion reactor

Kim¹,

Park²,

Shin³

2014

Progress in Nuclear Science and Technology

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It is known that the blanket module in the fusion reactor is designed for slowing and absorbing neutrons, breeding tritium, and limiting radiation damage to other structures. These blankets are installed remotely at individual positions. In this process, gaps between the blanket modules can occur and the streaming effect through gaps has an effect on the performance of the fusion reactor. The streaming effect affects two aspects in the neutron transport problem: (1) activation of the fusion reactor structures and (2) radiation shielding. It is noted that the shape of the gap is locally different due to the specific shape of the fusion reactor. Also, the mechanical difference of the blanket modules changes the gap size. In this study, the streaming effect caused by different shape and size of the gap are evaluated for a K-DEMO fusion reactor. The blanket modules of the fusion reactor, which are the blanket, vacuum vessel, and water channel, were simply simulated. In each module, the neutron streaming effects were assessed by changing the gap size and shapes. The MCNP5 code was used for the evaluations with ENDF/B-VI cross-section library and SAB2002 thermal cross section library. It was noticed that the neutron flux was significantly changed due to the streaming effect. This study can give guidelines for the simplification of blanket modeling in radiation transport problems.

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Section: Introductionmentioning

confidence: 99%