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| ANALYSIS AND VALIDATION OF PIPE WALL THINNING DUE TO FLOW ACCELERATED CORROSION |
| Masanori Naitoh1), CHEN Yaodong2) , Shunsuke Uchida1), Hidetoshi Okada1) |
1) The Institute of Applied Energy, Tokyo 105-0003, Japan
2) China Nuclear Power Engineering Co. Ltd., Beijing 100840 |
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Cite this article:
Masanori Naitoh CHEN Yaodong Shunsuke Uchida Hidetoshi Okada. ANALYSIS AND VALIDATION OF PIPE WALL THINNING DUE TO FLOW ACCELERATED CORROSION. Acta Metall Sin, 2011, 47(7): 784-789.
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Abstract Flow accelerated corrosion (FAC) is one of phenomena which are challenging safety operation of power plant. The mechanism and dominant factor contributing to its ocurrence are illustrated. In parrallel, a dedicated FAC simulation code package, DRAWTHREE, its physical models and structure, as well as methodology and procedure for FAC and wall thinning evaluation are introduced. The code is then applied to the simulation of FAC and prediction of wall thinning rate, and the simulated results agree well with experimental and plant measured data. Finally, some countermeasures against FAC for different types of power plant are proposed.
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Received: 17 May 2011
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