Results 21 to 30 of about 63,259 (259)

Research on Leakage and Diffusion characteristics of Liquid Hydrogen Based on Gaussian Diffusion Model

Journal of Physics: Conference Series, 2022
Abstract In order to analyze the diffusion characteristics of the hydrogen cloud during a liquid hydrogen leakage accident, the Matlab calculation program of liquid hydrogen leakage and diffusion was compiled based on the Gaussian diffusion theory, and analyzed the influence of wind speed, pressure, leakage area and other factors on the ...
Bangkai Shi, Yanwei Chen, Yang Hu, Yawen Wang   +3 more
openaire   +1 more source

High-viscosity bone cement for vertebral compression fractures: A prospective study on intravertebral diffusion of bone cement

Indian Journal of Pain, 2020
Objective: Bone cement leakage causes severe complication following percutaneous vertebroplasty. This study probed the diffusion and leakage status of bone cement injected within diverged time duration, to find the optimal injection time for bone cement.
Meiyong Wang, Qunhua Jin
doaj   +1 more source

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

Energies
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   +1 more source

High-viscosity bone cement for vertebral compression fractures: a prospective study on intravertebral diffusion and leakage of bone cement

BMC Musculoskeletal Disorders, 2020
Background Bone cement leakage causes severe complication following percutaneous vertebroplasty. This study probed the diffusion and leakage status of bone cement injected within diverged time duration, so as to find the optimal injection time for bone ...
Meiyong Wang, Qunhua Jin
doaj   +1 more source

Leakage Analysis and Hazardous Boundary Determination of Buried Gas Pipeline Considering Underground Adjacent Confined Space

Energies, 2022
Urban underground construction projects are intertwined vertically and horizontally, and adjacent confined spaces such as water supply and drainage pipelines, side ditches and underground canals may exist near buried gas pipelines.
Zhixue Wang, Yongbin Liu, Haibin Liang, Zhe Xu, Fanxi Bu, Jina Zhang, Hua Du, Yan Wang, Shuangqing Chen   +8 more
doaj   +1 more source

Leakage and diffusion simulation of submarine hydrogen-blended natural gas pipeline

You-qi chuyun
Objective Among various safety accidents associated with submarine natural gas pipelines, leakage remains a prevalent concern due to its high frequency.
Yitao FANG, Haichuan TAN, Liang TANG, Mengjie WANG, Jingfa LI, Yue SU   +5 more
doaj   +1 more source

Investigating Light Hydrocarbon Pipeline Leaks: A Comprehensive Study on Diffusion Patterns and Energy Safety Implications

Energies
Light hydrocarbon fuels are widely utilized in industrial production and transportation due to their high calorific value and clean combustion characteristics.
Shuxin Zhang, Xiaohui Xia, Yufa Deng, Xiaochun Han, Banghui Deng, Huituan Liu, Xi Yan, Liqiong Chen   +7 more
doaj   +1 more source

Research on Natural Gas Leakage and Explosion Mechanisms in a Container House

Buildings
As unconventional building structures, container houses are now widely used in urban tourism to create characteristic buildings. Nowadays, natural gas accidents occur frequently in cities and towns; however, the development of laws and influencing ...
Yonghong Gao, Yapeng Duan, Runmei Fu, Hao Wu, Zicong Wang, Dongyang Li, Liqiang Zhou   +6 more
doaj   +1 more source

Atmospheric diffusion study of surface leakage from CO2 enhanced oil recovery with carbon capture and storage based on flux monitoring-CFD simulation [PDF]

Youqicang pingjia yu kaifa
CO2 enhanced oil recovery（EOR） with carbon capture and storage（CCS） projects offer dual benefits of increasing oil recovery and CO2 storage, making it one of the most economically viable carbon sequestration methods nowadays.
QU Changqing, LIN Qianguo
doaj   +1 more source

Simulation and Analysis of Hydrogen Leakage in Garage Fuel Vehicles

Taiyuan Ligong Daxue xuebao, 2022
Hydrogen fuel cell vehicle is an important development direction for hydrogen energy applications. In order to explore the impact of leakage speed and ventilation speed on hydrogen diffusion of fuel vehicles in garages, on the basis of the FLACS software
Jing ZHANG, Yuxi HUANG, Wei ZHANG, Wannian GUO, Longlong LI   +4 more
doaj   +1 more source