Adsorption and Desorption Behavior of Tritiated Water on the Piping Materials
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概要
- 論文の詳細を見る
The behavior of tritium on the surface of various piping materials must be investigated for establishment of the safety confinement technology of tritium or for development of the effective fuel handling technology in a D-T fusion reactor, because tritiated water or gaseous tritium is captured on the piping surface through adsorption or isotope exchange reaction. The present authors carried out the water adsorption and desorption experiments on 304 stainless steel, copper, and aluminum in the temperature range from 5 to 100°C and in the partial pressure range of water vapor between 11.8 and 198 Pa using a breakthrough method and quantified the amount of water adsorbed and the overall mass transfer coefficients in adsorption and desorption of water. It was observed in this study that aluminum adsorbed more water than stainless steel or copper. It was also observed that the adsorption and desorption rates of water for three materials showed almost the same values. The breakthrough behavior of tritiated water in a 100m pipe of stainless steel was also evaluated applying the results of this work. It is concluded that water adsorption and desorption reactions influence the behavior of tritiated water in the piping system under the condition where the partial pressure of tritiated water vapor is lower than several pascals.
- 社団法人 日本原子力学会の論文
- 1997-07-25
著者
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Nishikawa Masabumi
Department Of Advanced Energy Engineering Science Interdisciplinary Graduate School Of Engineering S
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Shiraishi Tomofumi
Department Of Nuclear Engineering Faculty Of Engineering Kyushu University
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ODOI Satoshi
Department of Nuclear Engineering, Faculty of Engineering, Kyushu University
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Odoi Satoshi
Department Of Nuclear Engineering Faculty Of Engineering Kyushu University
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