Study of shielding options for lower ports for mitigation of neutron environment and shutdown dose inside the ITER cryostat
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- 作者：Raul Pampina ; raul.pampin@f4e.europa.eu" class="auth_mail" title="E-mail the corresponding author ; Alejandro Suarezb ; 1 ; Anne Arnouldb ; Natalia Casalb ; Rafael Juarezc ; Alex Martinb ; Fabio Morod ; Fernando Motae ; Eduard Polunovskiyb ; Flavien Sabourinb
- 关键词：Radiation ; Shielding ; Nuclear analysis ; ITER
- 刊名：Fusion Engineering and Design
- 出版年：2016
- 出版时间：1 November 2016
- 年：2016
- 卷：109-111
- 期：part_PB
- 页码：1408-1411
- 全文大小：1177 K
文摘
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Mitigation of the radiation environment inside the cryostat needed to reduce ITER coil heating and occupational exposure.
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Cryopump and diagnostics lower ports are significant contributors, shielding options for both are explored.
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Shielding performance studied in terms of neutron transmission and nuclear heating to coils for a range of options.
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Benefits/constraints discussed together with other engineering parameters.