Modeling of electromagnetic fields of pipelines cathodic protection systems in horizontally-layered media

被引：3

作者：

Krizsky, Vladimir N. ^{[1
]}

Aleksandrov, Pavel N. ^{[2
]}

Kovalskii, Alexey A. ^{[1
]}

Viktorov, Sergey V. ^{[1
]}

机构：

[1] Bashkir State Univ, Sterlitamak Branch, 49 Lenin Prospect, Sterlitamak 453103, Russia

[2] Russian Acad Sci CGEMR IPE RAS, Schmidt Inst Phys Earth, Ctr Geoelectromagnet Res, POB 30, Moscow 108840, Russia

来源：

NAUKA I TEHNOLOGII TRUBOPROVODNOGO TRANSPORTA NEFTI I NEFTEPRODUKTOV-SCIENCE & TECHNOLOGIES-OIL AND OIL PRODUCTS PIPELINE TRANSPORTATION | 2019年 / 9卷 / 05期

关键词：

piecewise homogeneous half-space; horizontally layered half-space; cathodic protection; main pipeline; mathematical modeling; electromagnetic field;

D O I：

10.28999/2541-9595-2019-9-5-558-567

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Calculations for main pipeline cathodic protection systems are regulated by the applicable standards based on condition of specific electrical conductivity uniformity and continuity in half-space environment containing the pipeline. Modern mathematical models of such systems also use the averaged value of the soil specific electrical conductivity, which does not reflect actual parameters of the ground where the pipeline is laid down. The authors present the procedure considering thickness and specific electrical conductivity of the soil layers with vertical non-uniform, horizontally layered environmen. Importance to consider the effect of the environment structure and specific electrical resistance on the current protection potential in the underground main pipeline cathodic protection system was shown using simulation experiment method; magnetic field sensitivity was studied based on insulation resistance of the pipeline defective section and measurement level.

引用

页码：558 / 567

页数：10

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