Conceptual design of VHTR, 5; Analysis of air ingress and its prevention

Yan, X.; Kunitomi, Kazuhiko ; Tsuji, Nobumasa*; Okamoto, Futoshi*

Safety goal for VHTR considers rupture of main primary piping as design basis accident in which animportant safety issue remains to be potential fuel and core graphite oxidation in case of significant air ingressinto the reactor core through the breached primary piping. The present study analyzes the air ingress behaviorand newly proposes a sustained counter-air diffusion (SCAD) mechanism for its practical prevention.

Language	:	English
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Meeting title	:	日本原子力学会2006年秋の大会
Held date	:	2006/09
Location (city)	:	札幌
Location (country)	:	日本
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Keywords	:	no keyword
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Registration No. : BB20060941
JAEA Abstracts No. :
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