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Three-dimensional analysis of water–vapor void fraction in a fusion experimental reactor under water ingress

Kazuyuki Takase, Yasuo Ose, Hajime Akimoto2002年Fusion Engineering and DesignIF 1.7出版社

AbstractAn integrated Ingress-of-Coolant Event (ICE) test facility was constructed to demonstrate that the International Thermonuclear Experimental Reactor (ITER) safety design approach and design parameters for the ICE are adequate. The integrated ICE test facility simulates the actual ITER components with a scaling factor of 1/1600. Before the integrated ICE experiments the water–vapor two-phase flow characteristics inside the test facility during the ICE were predicted by the three-dimensional numerical simulations using the modified Transient Reactor Analysis Code (TRAC). From the present study it was clarified numerically that the actual ITER safety approach during the ICE is adequate and the present numerical method is very effective to predict the water–vapor void fraction during the ICE.

日本語訳

統合冷却材流入事象(ICE)試験施設は、国際熱核融合実験炉(ITER)の安全設計アプローチと設計パラメータがICEに対して適切であることを実証するために建設された。統合ICE試験施設は、実機のITER構成要素を1/1600のスケール比で模擬している。統合ICE実験に先立ち、改良型TRAC(Transient Reactor Analysis Code)を用いた三次元数値シミュレーションにより、試験施設内の水–蒸気二相流特性をICE期間中に予測した。本研究により、ICE期間中の実機ITER安全設計アプローチの妥当性が数値的に明らかにされ、本数値解析手法がICE期間中のボイド率予測に極めて有効であることが示された。

装置

iter中精度(概要文一致)
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