Results 21 to 30 of about 770 (261)

Numerical modelling of buried pipelines under DC stray current corrosion

open access: yesJournal of Electrochemical Science and Engineering, 2019
Corrosion of buried pipelines caused by stray currents is becoming a serious industrial and environmental problem. It is therefore necessary to study corrosion mechanisms of buried pipelines under DC stray currents in order to propose effective anti ...
Yaping Zhang   +5 more
doaj   +1 more source

Prediction Model of Corrosion Current Density Induced by Stray Current Based on QPSO-Driven Neural Network

open access: yesComplexity, 2019
The buried pipelines and metallic structures in subway systems are subjected to electrochemical corrosion under the stray current interference. The corrosion current density determines the degree and the speed of stray current corrosion.
Chengtao Wang   +4 more
doaj   +1 more source

Dynamic Stray Current Measuring Methods in Urban Areas

open access: yesThe Baltic Journal of Road and Bridge Engineering, 2022
In areas where urban tracks are used as public transportation, dynamic stray currents cause high maintenance costs for the tracks and metal structures near the tracks.
Katarina Vranešić   +4 more
doaj   +1 more source

Numerical simulation of grounding current interference and corrosion laws of high voltage direct current transmission system on oil and gas pipelines

open access: yesYou-qi chuyun, 2022
With the development of long-distance power transmission system, the electrochemical corrosion of buried oil and gas pipelines caused by stray current is becoming more serious.
Shuhua ZHAO   +5 more
doaj   +1 more source

Research on Stray Current Corrosion Evaluation of Buried Metallic Pipeline in an Urban Rail Transit System

open access: yesInternational Journal of Electrochemical Science, 2015
In this paper, a research is made on the stray current corrosion evaluation of buried metallic pipeline in an urban rail transit system. The long-term accuracy of the polarization potential measurement is found not to be perfect for the stray current ...
Shao-Yi Xu, Wei Li
doaj   +1 more source

Stray Current Distributing Model in the Subway System: A review and outlook

open access: yesInternational Journal of Electrochemical Science, 2018
Subway system has been widely applied to the urban rail transit system. However, many negative impacts such as the electrochemical corrosion on the subway track and third-party buried metallic infrastructure caused by the stray current, has gradually ...
Chengtao Wang   +4 more
doaj   +1 more source

FINDING PERCENTAGE OF BREAKDOWN STIMULATION OF ALUMINUM WIRES THAT OPERATES IN A CORROSIVE MEDIUM

open access: yesJournal of Engineering and Sustainable Development, 2022
The study of the duration of mechanical resistance to static tensile stress (withstand time) for an aluminum wire that being suffers from the corrosion effect stimulated by stray currents at different temperatures.
Mohammed Abdulateef Ahmed
doaj   +3 more sources

Evaluation of metro stray current corrosion based on finite element model

open access: yesThe Journal of Engineering, 2019
Leakage currents from DC traction power supply system of metro will reduce the lifetime of the buried pipeline. This study illustrates a real contribution in the analysis of dynamic stray current and the evaluation of the corrosion status of the buried ...
Cai Zhichao, Hao Cheng
doaj   +1 more source

The influence of DC stray current on pipeline corrosion [PDF]

open access: yesPetroleum Science, 2015
DC stray current can cause severe corrosion on buried pipelines. In this study, firstly, we deduced the equation of DC stray current interference on pipelines. Next, the cathode boundary condition was discretized with pipe elements, and corresponding experiments were designed to validate the mathematical model. Finally, the numerical simulation program
Cui, Gan   +3 more
openaire   +1 more source

Stray Current Prediction Model for Buried Gas Pipelines Based on Multiple Regression Models and Extreme Learning Machine

open access: yesInternational Journal of Electrochemical Science, 2021
Serious stray current corrosion poses a threat to the sustainable and safe use of buried gas pipelines. To exactly predict the stray current of buried gas pipelines and take timely action to reduce stray current corrosion on buried pipelines, the ...
Jiansan Li   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy