핵연료 피복관 부식생성물 부착에 대한 용존수소의 영향
Effect of Dissolved Hydrogen on Fuel Crud Deposition
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The purpose of this work is to investigate the effect of dissolved hydrogen concentration on crud depositiononto the fuel cladding surface in the simulated primary environments of a pressurized water reactor. Cruddeposition tests were conducted in the dissolved hydrogen concentration range of 5~70 cc/kg at 325℃for 14 days. Needle-shaped NiO deposits were formed in the hydrogen range of 5~25 cc/kg, while polygonalnickel ferrite deposits were observed at a hydrogen concentration above 35 cc/kg. However, the dissolvedhydrogen content seems to have little effect on the amount of crud deposits.
Abstract
The purpose of this work is to investigate the effect of dissolved hydrogen concentration on crud depositiononto the fuel cladding surface in the simulated primary environments of a pressurized water reactor. Cruddeposition tests were conducted in the dissolved hydrogen concentration range of 5~70 cc/kg at 325℃for 14 days. Needle-shaped NiO deposits were formed in the hydrogen range of 5~25 cc/kg, while polygonalnickel ferrite deposits were observed at a hydrogen concentration above 35 cc/kg. However, the dissolvedhydrogen content seems to have little effect on the amount of crud deposits.
참고문헌 (11)
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