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Calculation of the cathodic protection parameters of pipeline section under the condition of insulation detachment from its surface

V.Lukovich
 

I. M. Frantsevich Institute for Problems of Materials Science of the NAS of Ukraine, Omeliana Pritsaka str.,3, Kyiv, 03142, Ukraine
Mathematical Models and Computing Experiment in Material Science - Kiev: Frantsevich Institute for Problems of Materials Science NASU, 2018, #20
http://www.materials.kiev.ua/article/2741

Abstract

A mathematical model of the electric field of the pipeline segment with isolation detachment from its surface is developed. A calculation of the potential and current density is performed. It is shown that in the area of detachment incomplete protection of the structure surface approaches the full with increasing protective potential. In this case, the insulation loses its protective properties.


CURRENT DENSITY, DELAMINATION, POTENTIAL

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