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ITER nuclear analysis strategy and requirements

ITER核解析戦略と要求

Loughlin, M. J.*; Batistoni, P.*; 今野 力; Fischer, U.*; 飯田 浩正; Petrizzi, L.*; Polunovskiy, E.*; Sawan, M.*; Wilson, P.*; Wu, Y.*

Loughlin, M. J.*; Batistoni, P.*; Konno, Chikara; Fischer, U.*; Iida, Hiromasa; Petrizzi, L.*; Polunovskiy, E.*; Sawan, M.*; Wilson, P.*; Wu, Y.*

ITERでは700MWもの核融合出力が予定されている。そのため、毎秒2.48$$times$$10$$^{20}$$個の14MeV中性子が発生し、第1壁に入射する中性子フラックスは非散乱中性子だけで約4$$times$$10$$^{13}$$n/cm$$^{2}$$/sで、散乱中性子も含めると数10$$^{14}$$n/cm$$^{2}$$/sにもなる。したがって、ITERは核施設として大掛かりなものであり、核解析に関する効率の良い、首尾一貫した戦略を立てることが不可欠である。この論文では、これまで用いられてきた手法をレビューし、ITERが採用すべき今後の戦略について述べる。具体的には、放射線輸送計算コード,計算モデル作成,情報工学の開発,管理ツールについて検討するとともに、新しいコード,技術を開発する必要がある分野についても提言する。

It is envisaged that ITER should produce as much as 700 MW of fusion power. This equates to the production of 2.48$$times$$10$$^{20}$$ 14MeV neutrons/s which will give an uncollided flux at the first wall of approximately 4$$times$$10$$^{13}$$ n/cm$$^{2}$$/s and a total with the addition of the collided to some 10$$^{14}$$ n/cm$$^{2}$$/s. ITER is therefore a significant nuclear facility and it is essential that an efficient and coherent strategy for nuclear analysis is in place. This paper reviews the status of the methods applied to date and recommends the future strategy which ITER should adopt to address the continuing requirements and responsibilities. This is done by consideration of the application of radiation transport codes, the creation of suitable models, developments in information technology, and the management tools which will be required. Areas in which new codes and techniques need to be developed will be identified.

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パーセンタイル:6

分野:Nuclear Science & Technology

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