A Leak Detection Method for Underground Polyethylene Gas Pipelines Using Simulation Software Ansys Fluent
Publish Year: 1403
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJE-37-8_013
تاریخ نمایه سازی: 23 خرداد 1403
Abstract:
In this subsection, a simulation model of underground pipeline leaks was created. Modeling the flow fields of overhead pipelines and underground pipelines with different soil porosity was conducted. The influence of the underground environment and soil porosity on the pipeline leakage field was analyzed. The influence of changes in the underground environment and soil porosity on the loss of kinetic energy at gas leakage was defined. Thus, the law of change in the characteristics of the sound signal of a leak on the pipe wall was obtained. Based on the results of study, it was determined the area of damage to a gas pipeline which is depended on proportionality of the diameter of the gas jet. As the gas is released from a crack in the gas pipeline and with different porosity of the pipe material, the gas diffusion occurred. As a result, the explosion zone increased which ultimately the release of gases into the environment under the influence of pressure increased.
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Authors
A. G. Palaev
Department of Petroleum Engineering, Empress Catherine II Saint Petersburg Mining University, Saint Petersburg, Russian Federation
Z. Fuming
Department of Petroleum Engineering, Empress Catherine II Saint Petersburg Mining University, Saint Petersburg, Russian Federation
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