Results 1 to 10 of about 202,458 (237)

Numerical Simulation of Hydrogen Leakage and Diffusion Process of Fuel Cell Vehicle [PDF]

open access: goldWorld Electric Vehicle Journal, 2021
Regarding the problem of hydrogen diffusion of the fuel cell vehicle (HFCV) when its hydrogen supply system leaks, this research uses the FLUENT software to simulate numerical values in the process of hydrogen leakage diffusion in both open space and ...
Mingyu Jiao   +3 more
doaj   +2 more sources

Numerical Simulation of Diffusion Characteristics and Hazards in Multi-Hole Leakage from Hydrogen-Blended Natural Gas Pipelines [PDF]

open access: goldEnergies
In this study, a 3D model is developed to simulate multi-hole leakage scenarios in buried pipelines transporting hydrogen-blended natural gas (HBNG).
Haolin Wang, Xiao Tian
doaj   +2 more sources

Numerical Simulation Analysis of Fire Hazard from Leakage and Diffusion of Vinyl Chloride in Different Atmospheric Environments [PDF]

open access: goldFire, 2022
In this paper, using the numerical simulation analysis software MATLAB and Fire Dynamics Simulation (FDS), the corresponding gas leakage diffusion model and turbulence leakage diffusion module were used to study the diffusion law and fire hazard of vinyl
Yuchuan Liu, Jian Wang
doaj   +2 more sources

Research on hydrogen leakage and diffusion mechanism in hydrogenation station. [PDF]

open access: yesSci Rep
AbstractAs a clean, efficient and sustainable energy carrier, hydrogen energy has been accepted as one of the main directions of future energy development. In this paper, a hydrogenation station providing compressed hydrogen outside was adopted as the research object.
Zhang Z, Shang M.
europepmc   +4 more sources

Progress of research on leakage diffusion of gas pipelines

open access: yesYou-qi chuyun, 2022
Gas pipelines in China have gradually entered the stage of frequent accidents, and gas leakage will increase the safety risk of pipeline operation, even resulting in personnel casualties.
Peng XU   +4 more
doaj   +2 more sources

Numerical Simulation for Delimiting Ammonia Leakage Diffusion Risk Zone

open access: yesChemical Engineering Transactions, 2016
Based on CFD-Fluent software platform, leakage diffusion of ammonia storage tank area is simulated, Main study on wind speed and leakage direction of influence on ammonia leakage diffusion process as well as the range of severe and moderate risk zone ...
W. Xu   +4 more
doaj   +2 more sources

Simulation Analysis of Leakage and Diffusion of Liquid Chlorine Cylinder

open access: yesChemical Engineering Transactions, 2017
In order to study the influence of accidental leakage of liquid chlorine cylinder and chlorine diffusion, a 3D model of liquid chlorine cylinder for leakage diffusion is established according to the actual situation of chemical enterprises.
Hui Jing
doaj   +2 more sources

Numerical study on small hole leakage and diffusion of hydrogen in buried pipelines [PDF]

open access: yesScientific Reports
In this paper, a numerical simulation method is systematically employed to study the diffusion behavior of pure hydrogen and hydrogen-blended natural gas during small-hole leakage from buried pipelines.
Longfei Dong, Xin Pang, Rui Zhang
doaj   +2 more sources

Physically-based simulation for oil leakage and diffusion on river using heterogeneous graph attention network [PDF]

open access: yesHeliyon
Once the oil pipeline leakage accident occurs on the river, the simulation of the leakage diffusion range is of great significance for the designation of emergency rescue plans.
Yuanfeng Lian   +3 more
doaj   +2 more sources

Research on the mechanism and prediction model of gas leakage and diffusion from shallow-buried natural gas pipelines [PDF]

open access: diamondUrban Lifeline
As a crucial component of urban lifeline projects, shallow-buried gas pipelines pose a significant threat to society and people's lives, as well as property in the event of a leakage accident.
Chengjun Yue   +6 more
doaj   +2 more sources

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