Effect of burst temperature on coolant channel restriction in multirods burst tests.
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概要
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In order to study the effect of burst temperature on the coolant flow channel restriction, burst tests of fuel bundles were performed. Each bundle consisted of 49 rods (7×7 rods), and bursts were conducted in flowing steam. Burst temperature was changed by changing the internal gas pressure in rods. After the burst, the ballooning behavior of each rod and the degree of coolant flow area restriction in the bundle were measured.<BR>Maximum swelling of rod occurs when the burst temperature is around α and α+β phase boundary, and this phenomenon is almost the same as that in single rod burst tests. Maximum coolant flow area restriction is also observed in this condition.
- 一般社団法人 日本原子力学会の論文
著者
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KAWASAKI SATORU
Division of Cardiology, National Akashi Hospital
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Hashimoto Masao
Division Of Geriatric Medicine Nippon Medical School
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OTOMO Takashi
Division of Nuclear Safety Research, Japan Atomic Energy Research Institute
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UETSUKA Hiroshi
Division of Nuclear Safety Research, Japan Atomic Energy Research Institute
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FURUTA Teruo
Division of Reactor Safety, Japan Atomic Energy Research Institute
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KAWASAKI Satoru
Division of Nuclear Safety Research, Japan Atomic Energy Research Institute
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FURUTA Teruo
Division of Nuclear Safety Research, Japan Atomic Energy Research Institute
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