管道运输
泄漏(经济)
石油工程
柴油
天然气
污染物
扩散
管道(软件)
航程(航空)
环境科学
气体扩散
工程类
机械
环境工程
材料科学
废物管理
化学
机械工程
复合材料
热力学
物理
燃料电池
有机化学
经济
宏观经济学
化学工程
作者
Guoxi He,Zhiyuan Tian,Kexi Liao,Jun Shi,Liang Wang
标识
DOI:10.1016/j.psep.2023.06.055
摘要
Buried parallel pipelines may cause environmental pollution and explosive accidents after leakage due to corrosion, third-party damage or other factors. Here, an actual oil pipeline in-situ is employed as a prototype to establish a two-dimensional incompressible leakage and diffusion model. The model was applied to analyze the effects of different parameters including pipe diameters, burial depths and flat spacing to other pipelines on the diffusion distance of spilled diesel fuel in porous media. The results show that the existence of natural gas pipeline can change both of the polluted shape and the distance range. The natural gas pipeline can effectively inhibit the diffusion range of diesel with the increase of pipe diameter and the decrease of buried depth. A smaller spacing between parallel transmission pipelines, also results in a reduced horizontal diffusion rang. Meanwhile, the dimensionless formulas are fitted based on the Π theorem regarding diesel diffusion range versus diameter of gas pipeline, buried depth, and spacing between parallel pipelines. This study can develop appropriate protocols for detecting and recovering contaminants from paralleling pipeline.
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