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Abstract: Mathematical models may be used for design or evaluation of cathodic protection (CP) systems. This chapter provides a historical perspective and a mathematical framework for the development of such models. The mathematical description accounts for calculation of both on- and off-potentials at arbitrarily located surfaces, thus making this approach attractive for simulation of external corrosion direct assessment (ECDA) methods. The approach also allows simulation of independent CP systems. Application of the model is presented for three cases: (a) enhancing interpretation of ECDA results in terms of the condition of the buried pipe; (b) simulating the detrimental influences of competing rectifier settings for crossing pipes protected by independent CP systems (e.g., rectifier wars); and (c) simulating the influence of coatings and coating holidays on the CP of above-ground tank bottoms. | Abstract: Mathematical models may be used for design or evaluation of cathodic protection (CP) systems. This chapter provides a historical perspective and a mathematical framework for the development of such models. The mathematical description accounts for calculation of both on- and off-potentials at arbitrarily located surfaces, thus making this approach attractive for simulation of external corrosion direct assessment (ECDA) methods. The approach also allows simulation of independent CP systems. Application of the model is presented for three cases: (a) enhancing interpretation of ECDA results in terms of the condition of the buried pipe; (b) simulating the detrimental influences of competing rectifier settings for crossing pipes protected by independent CP systems (e.g., rectifier wars); and (c) simulating the influence of coatings and coating holidays on the CP of above-ground tank bottoms. | ||
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* [http://pdfs.semanticscholar.org/0d3c/cab24ba59b39b1bc62d164c3fa03dd53eaf2.pdf http://pdfs.semanticscholar.org/0d3c/cab24ba59b39b1bc62d164c3fa03dd53eaf2.pdf] | * [http://pdfs.semanticscholar.org/0d3c/cab24ba59b39b1bc62d164c3fa03dd53eaf2.pdf http://pdfs.semanticscholar.org/0d3c/cab24ba59b39b1bc62d164c3fa03dd53eaf2.pdf] | ||
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| + | * [https://www.sciencedirect.com/science/article/pii/B9780857095091500047 https://www.sciencedirect.com/science/article/pii/B9780857095091500047], | ||
| + | : [https://www.scipedia.com/public/Liu_et_al_2014b https://www.scipedia.com/public/Liu_et_al_2014b], | ||
| + | : [http://che.ufl.edu/orazem/pdf-files/Liu-CPbook-Chap4-2014.pdf http://che.ufl.edu/orazem/pdf-files/Liu-CPbook-Chap4-2014.pdf], | ||
| + | : [https://academic.microsoft.com/#/detail/135088014 https://academic.microsoft.com/#/detail/135088014] | ||
Latest revision as of 12:06, 25 January 2021
Abstract
Abstract: Mathematical models may be used for design or evaluation of cathodic protection (CP) systems. This chapter provides a historical perspective and a mathematical framework for the development of such models. The mathematical description accounts for calculation of both on- and off-potentials at arbitrarily located surfaces, thus making this approach attractive for simulation of external corrosion direct assessment (ECDA) methods. The approach also allows simulation of independent CP systems. Application of the model is presented for three cases: (a) enhancing interpretation of ECDA results in terms of the condition of the buried pipe; (b) simulating the detrimental influences of competing rectifier settings for crossing pipes protected by independent CP systems (e.g., rectifier wars); and (c) simulating the influence of coatings and coating holidays on the CP of above-ground tank bottoms.
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Published on 01/01/2014
Volume 2014, 2014
DOI: 10.1533/9780857099266.1.85
Licence: CC BY-NC-SA license
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