کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1757536 1523014 2015 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Investigation on corrosion rate and a novel corrosion criterion for gas pipelines affected by dynamic stray current
ترجمه فارسی عنوان
بررسی میزان خوردگی و یک معیار جدید خوردگی برای خطوط لوله گاز تحت تاثیر جریان جاری پویا
کلمات کلیدی
جریان ولتاژ دینامیک، خط لوله، مترو، نرخ خوردگی، حفاظت کاتدیک
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات علوم زمین و سیاره ای (عمومی)
چکیده انگلیسی


• Synchronized potential measurements to determine subway stray current influence zone.
• Determination of novel criterion for stray current interference and corrosion probability.
• Developing a procedure for field investigation of dynamic stray current interference.
• Quantitative analysis of dynamic stray current corrosion rate based on current monitoring.

Influence zone of the dynamic stray current from subway was determined on parallel and crossed gas pipelines via synchronized potential measurements at different transverse distances from railway right of way. Results showed that the interference magnitudes decrease substantially with increasing the distance. Twenty-four hour monitoring of pipe to soil potential, lead to a new corrosion criterion for the affected pipelines depending on the type of coating used. A procedure based upon potential measurements has been developed for field investigations. Calculations of corrosion rate via Faraday law and weight loss measurements using corrosion coupons were also carried out.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Natural Gas Science and Engineering - Volume 26, September 2015, Pages 453–460
نویسندگان
, , , , , ,