Study on leak localization for buried gas pipelines based on an acoustic method

Z Zhang, L Zhang, M Fu, D Ozevin, H Yuan - Tunnelling and Underground …, 2022 - Elsevier
As an important part of a city's “lifeline,” an urban underground natural gas pipeline network
is an integral part of the infrastructure, facilitating energy transmission. If the source of a leak …

[HTML][HTML] Leakage and diffusion characteristics of underground hydrogen pipeline

W Zhang, G Zhao - Petroleum, 2024 - Elsevier
Soil corrosion and hydrogen embrittlement are the main factors of hydrogen pipeline failure.
The gas escapes, diffuses and accumulates in the soil and enters the atmosphere when leak …

[PDF][PDF] 燃气管道泄漏扩散研究进展

徐鹏, 潘丹丹, 袁勋, 张**雄, 熊亚选 - 油气储运, 2022 - yqcy.paperonce.org
**燃气管道逐渐进入事故多发阶段, 燃气泄漏会增加管道运行的安全风险,
严重事故甚至会导致人员伤亡. 通过调研燃气管道泄漏扩散的相关研究, 分别从泄漏扩散模型 …

EnKF-based estimation of natural gas release and dispersion in an underground tunnel

S Yuan, J Wu, X Zhang, W Liu - Journal of Loss Prevention in the Process …, 2019 - Elsevier
With the rapid industrialization and urbanization in China, underground tunnels, as an
effective way to construct and maintain energy supplies, have been widely utilized to …

Multi-region coupling computational fluid dynamics simulation of the underground compressed air energy storage process

Y Huang, X Chen, X She, J Zhao, W Dong - Physics of Fluids, 2024 - pubs.aip.org
Compressed air energy storage (CAES) in underground spaces is a common method for
addressing the instability of renewable energy generation. As the construction and testing of …

Theoretical investigation on the characteristics of leak noise for natural gas pipelines

Z Zhang, H Yuan, M Fu, T Chen, Y Gao… - Journal of Theoretical …, 2020 - World Scientific
This paper is concerned with the spectral characteristics of leak noise at the source relevant
to fluid dynamics for natural gas pipelines. Comparison is made between the flow field …

Safety assessment of gas pipe gallery in most unfavorable leakage condition [J]

Z Le, Z Tinghe, Z Weijun - Oil & Gas Storage and …, 2021 - yqcy.paperonce.org
Underground gas pipe gallery is a semi-closed space. Once leakage occurs in the gallery, it
is likely to induce serious explosion accidents. Safety assessment of pipe gallery after …

土壤大气耦合埋地管道泄漏扩散的数值分析

叶岩, 王岳 - 辽宁石油化工大学学报, 2019 - journal.lnpu.edu.cn
城市燃气管网多为埋地敷设, 给探测微小泄漏带来了困难, 而燃气泄漏后容易发生中毒, 火灾,
爆炸等恶性事故, 给城市公共安全带来隐患. 针对管网分层筑土和不分层筑土两种回填方式建立 …

Study on diffusion law of leakage gas in soil-atmosphere

LIU Aihua, C Ke, H Jian, Z Nan, C Jieyun… - China Safety Science …, 2018 - cssjj.com.cn
This study intends to provide a more reliable theoretical basis for the laying of gas pipeline,
parallel pipeline with gas pipeline and emergency-management decisions following …

土壤-大气中燃气泄漏扩散规律研究

刘爱华, 陈柯, 黄检, 张楠, 陈结云, 徐文彬 - **安全科学学报, 2018 - cssjj.com.cn
为对燃气管道, 与其并行管道的敷设及燃气泄漏事故的应急管理决策提供依据,
采用环刀法和自主搭建的试验**台, 获得孔隙度和土壤阻力系数等土壤扩散控制方程的关键参数 …