Chapter
Dec 21, 2012
Study of Numerical Simulation of Region CP System in a Large Pipeline Station
Authors: Feng Zhang [email protected], Wuxi Bi, Ph.D. [email protected], Hong Jin [email protected], Bin Yu [email protected], Zhiyuan Xue [email protected], and Weibin Wang [email protected]Author Affiliations
Publication: ICPTT 2012: Better Pipeline Infrastructure for a Better Life
Abstract
Newly built pipeline stations in China have widely used a cathodic protection system using flexible anodes and grid anodes. However, there may be some places in a pipeline station where the lack of protection may not be apparent because the data collected from several test posts cannot accurately represent the entire protection system in the station. After numerical simulation of an ideal case without interference from other metals, the results show uniform distribution in a flexible anodes system. But, if a grounding system exists in the model, interference will greatly influence the potential distribution. The result shows the potential distribution is no longer uniform and portions of pipe near the grounding system may not be protected. Due to the differences between characteristics of polarization in the grounding system and the pipeline, the addition of a sacrificial anodesystem is advised.
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© 2013 American Society of Civil Engineers.
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Published online: Dec 21, 2012
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engineer, Petrochina Pipeline Research and Development Center; No. 51, JinGuang Road, LangFang 065000. E-mail: [email protected]
Petrochina Pipeline Research and Development Center; No. 51, JinGuang Road, LangFang 065000. E-mail: [email protected]
engineer, Zhengzhou Oil and Gas Transportation Sub-Company; No. 45, Nongye East Road, Zhenzhou 450000. E-mail: [email protected]
engineer, Zhengzhou Oil and Gas Transportation Sub-Company No. 45; Nongye East Road, Zhenzhou 450000. E-mail: [email protected]
Vice Director, Petrochina Pipeline Research and Development Center; No. 51, JinGuang Road, LangFang 065000. E-mail: [email protected]
Director, Petrochina Pipeline Research and Development Center; No. 51, JinGuang Road, LangFang 065000. E-mail: [email protected]
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