Techniques for In-Pile Measurements of Fission-Gas Release
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概要
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The continuous release of fission-gas from ceramic fuel was measured during irradiation in the Hitachi Training Reactor. Two different types of in-core assemblies were devised. In these assemblies, UO<SUB>2</SUB> specimens were heated up to 2, 000°C by a heater rod, or else cylinder of tungsten. These assemblies can usefully serve in the study of fission-gas release rate at tem-peratures conducive to grain growth.<BR>In these assemblies, the fission-gases are purged by continuously flowing Ar or else He, and led out of the reactor, where the radioactivity was measured with γ-ray spectrometer. The radioactivity of Ar and fission-gas was left to decay in a radioactivity decay tank and a fission product collection train submerged in the reactor pool.
- 一般社団法人 日本原子力学会の論文
著者
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DOI AKIRA
Nuclear Energy Div., Cent. Research Lab., Hitachi Ltd.
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Inoue Kiyoshi
Nuclear Energy Div., Cent. Research Lab., Hitachi Ltd.
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OHSAWA Yasuo
Nuclear Energy Division, Central Research Laboratory, Hitachi Ltd.
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DOI Akira
Nuclear Energy Division, Central Research Laboratory, Hitachi Ltd.
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HAYASHI Hiroshi
Nuclear Energy Division, Central Research Laboratory, Hitachi Ltd.