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Scale removal oxidation behavior of metal in supercritical water modeled by cellular automaton |
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| Authors: | Kuan-Che LanYitung Chen Tsung-Kuang Yeh Tzu-Chen HungMing-Lou Liu Ge-Ping Yu |
| Affiliation: | a Department of Engineering and System Science, National Tsing Hua University, No.101, Section 2, Kuang Fu Road, Hsinchu 300, Taiwan, R.O.C b Department of Mechanical Engineering, University of Nevada, Las Vegas, 4505 Maryland Parkway, Box 454027, Las Vegas, NV 89154-4027, United States c Institute of Nuclear Engineering and Science, National Tsing Hua University, No.101, Section 2, Kuang Fu Road, Hsinchu 300, Taiwan, R.O.C d Department of Mechanical Engineering, National Taipei University of Technology, No. 1, Sec. 3, Chung-Hsiao E. Rd., Taipei 106, Taiwan, R.O.C e Department of Civil and Ecological Engineering, I Shou University, No.1, Sec. 1, Syue-Cheng Rd., Dashu District, Kaohsiung City 84001, Taiwan, R.O.C |
| Abstract: | Corrosion and oxidation of structure material in supercritical water are specific and an important issue in the nuclear industry. A scale removal cellular automaton model was proposed to investigate the development of a continuous oxide layer of Inconel 625 in supercritical water at 24.8 MPa and 600 °C. This study presented influence of the reaction behavior of oxidation, scale removal effect, and transport ratio of oxygen and metal ions on the corrosion and oxidation process with different conditions. The formation of the spinel is simulated at mesoscopic level. The developed model is also mapped with the laboratory experimental data from a supercritical water loop. |
| Keywords: | Scale removal Mesoscopic Cellular automaton Oxidation Supercritical water Inconel 625 |
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