Results 1 to 10 of about 576,693 (133)

Momentum space AC Josephson effect and intervalley coherence in multilayer graphene [PDF]

open access: yesNature Communications
Electron transport driven by the phase coherence and interference of quantum many-body wavefunctions is a fascinating phenomenon with potential technological significance.
Mainak Das, Chunli Huang
doaj   +2 more sources

Monitoring and Analysis of AC/DC Mixed Interference on Oil/Gas Pipeline [PDF]

open access: yesCailiao Baohu, 2023
A crude oil pipeline is adjacent to or accompanied by various interference sources such as metros,high-speed railways and highvoltage transmission lines,and is subject to severe and complex stray current interference.The on-site embedding piece method ...
LI Qianglin, QIAN Wenzhen, YAN Maocheng, XU Shan, LI Chunqi, GAO Bowen
doaj   +1 more source

Analysis on Application of Impressed Current Cathodic Protection for Buried Pipelines under AC Interference [PDF]

open access: yesCailiao Baohu, 2022
In order to study the effectiveness of pipeline cathodic protection system in preventing AC interference corrosion under AC interference, the testing device for stray current interference of buried steel pipelines was established, and the influence of ...
GUO Yong, DING Jifeng, GAO Zhixian, YIN An, ZHANG Bo, YANG Chaohui, LI Xiangyang
doaj   +1 more source

Analysis on the Influencing Law and Corrosion Risk of City Gas Pipelines under Dynamic AC Interference [PDF]

open access: yesCailiao Baohu, 2023
To clarify the interference situation, interference law and corrosion law of different pressure level system of mega-city gas pipeline network under the influence of different railroad lines, 37 test piles of nearly 10 pipelines crossing or parallel with
ZHANG Yu-xing, CHE Ming, ZHANG Cheng, LI Wei, HUANG Wen-yao, QIN Hui-min, DI Xin
doaj   +1 more source

Research on AC Corrosion Behavior of X65 Pipeline Steel and Sacrificial Anode Materials in Seawater Environment [PDF]

open access: yesCailiao Baohu, 2023
Currently,few studies have been conducted on the AC corrosion behavior of pipeline steel and sacrificial anodes in the marine environment.In order to provide a reference for evaluating the AC corrosion risk of submarine pipeline and the consumption ...
WANG Hongguang, DONG Kun, HUANG Haojun, WANG Baosen, TIAN Nianpei, LIANG Yi, DU Yanxia
doaj   +1 more source

Stray Current Interference Detection and Drainage Practice of the Changsha Section of a Long - Distance Buried Natural Gas Pipeline [PDF]

open access: yesCailiao Baohu, 2022
The Changsha section of a long - distance buried natural gas pipeline had many accompanying and cross high - voltage transmission lines and high - speed railways. In addition, the metro rail transit line A was recently put into trial operation. All these
LI De - ming, ZHENG Ce, LIU Yu - xiang, WANG Zuan, HUI Hai - jun, ZHENG Zhi - yong, LI Zhi
doaj   +1 more source

Testing Analysis of AC Corrosion Safety Boundary Based on X70 Steel Corrosion Coupons [PDF]

open access: yesCailiao Baohu, 2023
In this paper, based on the on-site testing of cathodic protection corrosion coupons buried in 6 cities in China, combined with some indoor corrosion simulation test results, the safety boundary of cathodic protection for buried pipelines under AC ...
WU Guangchun, CAO Guofei, CHEN Yuliang, ZHANG Mengmeng, WANG Xiuyun, DU Yanxia
doaj   +1 more source

Research Status on AC Stray - Current Interference of Buried Steel Pipeline [PDF]

open access: yesCailiao Baohu, 2022
With the rapid development of the energy, power distribution transmission and electrified rail transit systems of our country, the stray - current interference problem caused by the crossing and paralleling of buried steel pipelines and by the close ...
LI Xiao - long, WANG Zheng - xiao, LUO Yan - long, LI Chang - chun, HE Ren - yang
doaj   +1 more source

A new behavioural model for performance evaluation of common mode chokes [PDF]

open access: yes, 2007
A galvanically isolated three-phase AC/AC converter with a high-frequency AC-link has been analyzed from an EMC point of view. This is a special configuration because of a large number of switches, a high frequency transformer, and a fourwire output. The
Bergsma, H.   +5 more
core   +8 more sources

Corrosion behavior of X100 pipeline steel and its heat-affected zones in simulated Korla soil solution under alternating current interference

open access: yes工程科学学报, 2020
In recent years, many accidents caused by alternating current (AC) corrosion have been reported. AC corrosion has become a serious potential damage to buried steel pipelines.
Yong YANG   +3 more
doaj   +1 more source

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