CFD analysis of natural gas emission from damaged pipelines: Correlation development for leakage estimation

A Ebrahimi-Moghadam, M Farzaneh-Gord… - Journal of Cleaner …, 2018 - Elsevier
Natural Gas (NG) leak may occur from either an above-or an under-ground pipeline,
resulting in environmental and financial consequences. Although there are some relations …

A computational modelling of natural gas flow in looped network: Effect of upstream hydrogen injection on the structural integrity of gas pipelines

Z Hafsi, S Elaoud, M Mishra - Journal of Natural Gas Science and …, 2019 - Elsevier
In this paper a numerical simulation of transient hydrogen-natural gas mixture flow in a
looped network is studied based on a mathematical model that considers the variation of the …

Study of natural gas emission from a hole on underground pipelines using optimal design-based CFD simulations: Develo** comprehensive soil classified leakage …

M Bagheri, A Sari - Journal of Natural Gas Science and Engineering, 2022 - Elsevier
Gas leaks from natural gas pipelines can lead to catastrophic incidents, especially in the
case of sour natural gas owing to the combination of its toxicity and flammability. As a safety …

Correlations for estimating natural gas leakage from above-ground and buried urban distribution pipelines

A Ebrahimi-Moghadam, M Farzaneh-Gord… - Journal of natural gas …, 2016 - Elsevier
A numerical method is developed to investigate leakage in above-ground and buried urban
distribution natural gas pipelines. The main aim is to develop a few equations to estimate …

Leakage diffusion characteristics and harmful boundary analysis of buried natural gas pipeline under multiple working conditions

F Bu, Y Liu, Y Liu, Z Xu, S Chen, M Jiang… - Journal of Natural Gas …, 2021 - Elsevier
Natural gas transportation heavily relies on buried natural gas network. Unfortunately,
natural gas pipeline leakage can cause environmental pollution and resource loss, and …

CFD investigation of natural gas leakage and propagation from buried pipeline for anisotropic and partially saturated multilayer soil

J Bezaatpour, E Fatehifar, A Rasoulzadeh - Journal of Cleaner Production, 2020 - Elsevier
The incident of natural gas leakage from buried pipelines in the soil, due to the financial and
environmental consequences has become one of the most serious concerns, especially in …

Numerical study of gas leakage from a pipeline and its concentration evaluation based on modern and practical leak detection methods

E Zandi, AA Alemrajabi, MD Emami… - Journal of Loss …, 2022 - Elsevier
Gas leaks from pipelines may cause human casualties and economic losses. Consequently,
detecting gas diffusion in the environment and determining its concentration around …

Analysis of numerical modeling of steady-state modes of methane–hydrogen mixture transportation through a compressor station to reduce CO2 emissions

V Fetisov - Scientific Reports, 2024 - nature.com
This study presents a mathematical model to evaluate the performance of gas pipelines
during hydrogen injection in a gas pipeline-compressor station. The developed model …

Comparison study on the accuracy and efficiency of the four forms of hydraulic equation of a natural gas pipeline based on linearized solution

P Wang, B Yu, Y Deng, Y Zhao - Journal of Natural Gas Science and …, 2015 - Elsevier
Linearization technique is an efficient and fast method for the natural gas pipeline
simulation. In order to determine the optimal selection of basic variables which have …

Study on leakage and explosion law of buried gas pipeline based on scenario construction

Y Kang, S Ma, M Zhao, Z Wu, X **a - Environmental Science and Pollution …, 2023 - Springer
Abstract Based on the Jilin Songyuan gas pipeline accident, FLACS software was used to
numerically simulate its leakage and explosion process in order to study the change law of …