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Acta Metall Sin  2007, Vol. 43 Issue (3): 297-302     DOI:
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Numerical Modeling of Cathodic Protection Potential Distribution on the Exterior of Metal Tank Bottom
DU Yanxia; ZHANG Guozhong; LIU Gang; ZHOU Lei
Transport--Storage and Civil Engineering College; China University of Petroleum; Dongying 257061
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DU Yanxia; ZHANG Guozhong; LIU Gang; ZHOU Lei. Numerical Modeling of Cathodic Protection Potential Distribution on the Exterior of Metal Tank Bottom. Acta Metall Sin, 2007, 43(3): 297-302 .

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Abstract  The mathematical model of cathodic protection potential distribution on the exterior of tank bottom is established and cathodic polarization performance is described according to the mixed polarization theory. The cathodic protection potential distribution on the exterior of tank bottom under protection of different kinds of anode placement manners is calculated by FLUENT software and the effects of soil resistivity and tank diameter on potential distribution are studied and compared also. The results can provide theoretical guidance for determining cathodic protection effects and choosing anode placement manners.
Key words:  tank bottom      cathodic protection      potential distribution      
Received:  08 June 2006     
ZTFLH:  TE988  

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https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y2007/V43/I3/297

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