Discharge Speed Control of In-Pipe Detector in Gas Pipeline

Li Jian Yang; Yang Zhao; Song Wei Gao

doi:10.4028/www.scientific.net/AMR.459.338

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 459Discharge Speed Control of In-Pipe Detector in Gas...

Discharge Speed Control of In-Pipe Detector in Gas Pipeline

Abstract:

The in-pipe detector with magnetic flux leakage runs along the pipeline under the effect of gas flow field, completing the pipeline wall excitation, magnetic flux leakage testing, etc. Excitation within the detector on the wall and the adequacy of magnetic flux leakage signal acquisition is complete are decided by speed of in-pipe detector. In this paper, mathematical model simulation is established and the actual experiment is proposed. Simulation and experiment results show that after a long time running, in-pipe detector with different discharge area have respective upper speed limit. According to references and experiment results, the in-pipe detector with 40% discharge area is meet the detection accuracy and have the maximum detection efficiency under work conditions described in this paper

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Periodical:

Advanced Materials Research (Volume 459)

Pages:

338-342

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.459.338

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Online since:

January 2012

Authors:

Li Jian Yang, Yang Zhao, Song Wei Gao

Keywords:

Discharge Velocity, Flow Field in Gas Pipeline, In-Pipe Detector

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