反応度事故模擬条件下における照射済PWR燃料の挙動; NSRR GK-1及びGK-2実験結果

Material type: 文書・図像類

Author: 笹島栄夫ほか

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Publication date: 2004-12

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Note (General)：: Results from power burst tests, GK-1 and GK-2, conducted at the NSRR, are summarized. The tests were performed on a 14$\times$14 PWR fuel rod irradiat...

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Summary, etc.：: Results from power burst tests, GK-1 and GK-2, conducted at the NSRR, are summarized. The tests were performed on a 14$\times$14 PWR fuel rod irradiat...

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Material Type: 文書・図像類
Title: 反応度事故模擬条件下における照射済PWR燃料の挙動; NSRR GK-1及びGK-2実験結果
Author/Editor: 笹島栄夫
杉山智之
中村武彦
更田豊志
Author Heading: 笹島栄夫
杉山智之
中村武彦
更田豊志
Publication Date: 2004-12
Publication Date (W3CDTF): 2004-12
Alternative Title: Behavior of irradiated PWR fuel under simulated RIA conditions; Results of the NSRR tests GK-1 and GK-2
Periodical title: JAERI-Research 2004-022
Text Language Code: eng
Target Audience: 一般
Note (General): Results from power burst tests, GK-1 and GK-2, conducted at the NSRR, are summarized. The tests were performed on a 14$\times$14 PWR fuel rod irradiated to a burnup of 42 MWd/kgU in the Genkai unit \#1 of Kyushu Electric Power Co., Inc. The instrumented test fuel rod in a double-container-type capsule was subjected to the pulse-irradiation with stagnant water cooling condition at 0.1 MPa and 293 K. Deposited energy and peak fuel enthalpy were 505 J/g and 389 J/g in the Test GK-1, and 490 J/g and 377 J/g in the Test GK-2, respectively. During the pulse-irradiations, DNB occurred and the cladding surface temperature reached 581 K and 569 K in the Tests GK-1 and -2, respectively. The maximum cladding hoop strain was 2.7\% in the Test GK-1 and 1.2\% in the Test GK-2. However, the test fuel rods did not fail. Estimated fission gas releases during the pulse-irradiations were 11.7\% and 7.0\% in the Tests GK-1 and -2, respectively.
本報告書は、安全性試験研究炉(NSRR)において実施した反応度事故模擬実験、GK-1及びGK-2の結果についてまとめたものである。実験は、九州電力(株)玄海1号機で燃料燃焼度42.1MWd/kgUまで照射された14$\times$14型PWR燃料に対して行った。計装を施した試験燃料棒を二重カプセルに装荷し、NSRRにおいて0.1MPa, 293Kの静止水冷却条件下でパルス照射実験を実施した。GK-1実験の発熱量は505J/g、燃料エンタルピは389J/g、GK-2実験の発熱量は490J/g、燃料エンタルピは377J/gに達した。被覆管表面ではDNBが生じ、最高温度はGK-1で589K、GK-2で569Kに達した。パルス照射後の被覆管径方向最大残留歪みはGK-1で2.7\%、GK-2で1.2\%となったが、燃料棒破損には至らなかった。パルス照射中の燃料棒内自由空間への核分裂ガス放出率はGK-1で11.7\%、GK-2で7.0\%であった。
Source: /JAERI-Research-2004-022.pdf （fulltext）
https://jopss.jaea.go.jp/pdfdata/JAERI-Research-2004-022.pdf
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Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
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Original Data Provider (Database): 日本原子力研究開発機構 : JOPSS:JAEA Originated Papers Searching System