2001
DOI: 10.1080/18811248.2001.9715046
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Integrity Confirmation Tests and Post-irradiation Test Plan of the HTTR First-Loading Fuel

Abstract: Since the first-loading fuel of the High Temperature Engineering Test Reactor (HTTR) is the first mass-production High Temperature Gas-cooled Reactor (HTGR) fuel in Japan, their quality should be carefully inspected. For the quality control related to the fabrication process, Japan Atomic Energy Research Institute (JAERI) carried out the tests to certify the fuel integrity during operation. The tests comprise (1) as-fabricated SiC failure fraction measurement, (2) high-temperature heatup test of irradiated fue… Show more

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Cited by 6 publications
(3 citation statements)
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“…(18) should be investigated in detail by comparison to measured data from the 94F-9A capsule irradiation test which used coated fuel particles fabricated by the same process as the first loaded HTTR fuel. 13,14) (2) The prediction was underestimated at low reactor power. In this model, 10 µm of the recoil distance is employed both for the UO 2 kernel and the fuel compact matrix.…”
Section: Comparison Of the Measured (R/b) With The Predictionmentioning
confidence: 99%
“…(18) should be investigated in detail by comparison to measured data from the 94F-9A capsule irradiation test which used coated fuel particles fabricated by the same process as the first loaded HTTR fuel. 13,14) (2) The prediction was underestimated at low reactor power. In this model, 10 µm of the recoil distance is employed both for the UO 2 kernel and the fuel compact matrix.…”
Section: Comparison Of the Measured (R/b) With The Predictionmentioning
confidence: 99%
“…Before the X-ray radiograph, the coated fuel particles (density 4.3 g/cm 3 ) and the dummy particles (2.8 g/cm 3 ) were divided by the floating method with tetrabromoethane (2.96 g/cm 3 ). Then, the coated fuel particles and the dummy particles were sectioned in groups with 200-300 particles, and the X-ray radiograph as shown in Fig.…”
Section: X-ray Radiographmentioning
confidence: 99%
“…They have been irradiated by using 94F-9A sweep gas capsule in the JMTR for the accelerated irradiation test on the first loading fuel of the HTTR to confirm its intactness during the HTTR operation. [3][4][5] Coated fuel particles in these fuel compacts were taken from the fabrication line of the first-loading fuel. For each fuel compact sample, the value of 30% of the volume packing fraction was settled which is same as the first loading fuel of the HTTR.…”
Section: Samplesmentioning
confidence: 99%