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Improving Fast Ejecting System of Targeted Sample (FESTA) and Gas Calibration

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概要 To realize fusion power generation, the storage of hydrogen and its isotopes in plasma facing walls (PFWs) is a significant problem to maintain steady-state operation, in which wall retention is divid...ed by static and dynamic retention. In QUEST, Fast Ejecting System of Targeted sAmple named FESTA has been developed to measure the local dynamic retention by exposing a specimen. Such a retention is evaluated by hydrogen gas pressure released from the plasma-exposed specimen, so it is necessary to perform a gas calibration of data before analysis. On the other hand, considering the future work of calculating fuel particles’ reflection rate on specimen, measurement of static retention after exposure should also be carried out simultaneously. Therefore, we have drawn up a project on improving the test chamber of FESTA.続きを見る

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登録日 2021.12.07
更新日 2024.12.02

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