Results 51 to 60 of about 58,492 (155)

Hydrogen leakage localization technology in hydrogen refueling stations combining RL and hidden Markov models

Sustainable Energy Research
With the global energy structure shifting towards clean and efficient hydrogen energy, the safety management issues of hydrogen refueling stations are becoming increasingly prominent.
Jun Wang, Lei Wang, Ding Wang, Xiang Yu
doaj   +1 more source

Simulation and Quantitative Assessment of Sensor Placement in a Hydrogen Bus for Risk Mitigation

Hydrogen
The cleanliness of hydrogen energy throughout its life cycle has enabled its applications in transportation and buildings. However, such scenarios often involve the storage and use of hydrogen in enclosed spaces.
Xintao Deng, Jinwei Sun, Fuyuan Yang, Minggao Ouyang   +3 more
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

Experimental study on dynamic response performance of hydrogen sensor in confined space under ceiling

Frontiers in Energy Research
With the advancement of Fuel Cell Vehicles (FCVs), detecting hydrogen leaks is critically important in facilities such as hydrogen refilling stations.
Qize He, Fanyue Kong, Rong Sun, Ruilin Li, Juntao Yang, Qizhong Min   +5 more
doaj   +1 more source

Consequence-Based Assessment of Hydrogen Jet-Fire Hazards in a Port Hydrogen Refueling Station: Theory–CFD Coupling and Wind-Affected Thermal Impact Zoning

Applied Sciences
Port-area hydrogen refueling stations face low-frequency but high-consequence events when high-pressure leaks ignite as jet fires in wind-exposed, constrained environments. This study develops a consequence-based framework coupling theoretical screening,
Liying Zhong, Ming Yang, Shuang Liu, Ting Liu, Weiyi Cui, Liang Tong   +5 more
doaj   +1 more source

Numerical Simulation of Dispersion and Ventilation of Hydrogen Clouds in Case of Leakage Inside a Large-Scale Industrial Building

Hydrogen
As the attention to using hydrogen as a potential energy storage medium for power generation and mobility increases, hydrogen production, storage, and transportation safety should be considered.
Khaled Yassin, Stephan Kelm, Ernst-Arndt Reinecke   +2 more
doaj   +1 more source

Study on propagation characteristics of shock waves during the leakage of a high-pressure hydrogen/methane mixture

工程科学学报
The transition from traditional fossil fuels to the widespread use of hydrogen energy marks a critical phase in energy evolution. Hydrogen/methane mixtures, serving as crucial carriers of hydrogen energy, play a key role in this process.
Shangyong ZHOU, Zhenmin LUO, Jun DENG, Xu SUN, Hao QI, Chuanxu LUO, Kangshuai GUO, Tao WANG, Bin SU, Litao LIU   +9 more
doaj   +1 more source

Analysis of safety prevention and control techniques for hydrogen leakage in hydrogen-powered rail vehicles

机车电传动
The safety of hydrogen-related systems in hydrogen-powered rail vehicles is the core concern for rail transit utilizing new energy sources. Applying an inductive analytical approach, this paper systematically reviews the current status of development in ...
WANG Zhonggang, FAN Yunxin, CHEN Zhuo, JIANG Dafa, GUO Bingbin, YUAN Ke   +5 more
doaj  

Progress in spontaneous ignition of hydrogen during high-pressure leakage with the considerations of pipeline storage and delivery

Applications in Energy and Combustion Science
High-pressure pipeline storage presents a promising method for widespread and efficient hydrogen transfer. However, challenges arise in mitigating pressurized hydrogen leakage due to hydrogen embrittlement issues associated with conventional pipeline ...
Xin-Yi Liu, Z.Y. Sun, Yao Yi
doaj   +1 more source

Impacts of ambient temperature on hydrogen leakage in skid-mounted hydrogen refueling stations

Journal of Physics: Conference Series
Abstract This research utilizes computational modeling to examine the dispersion patterns of hydrogen leaks in skid-mounted refueling stations, considering variations in wind dynamics and thermal conditions. The findings indicate that when the wind velocity is maintained at 3 meters per second, as the temperature increases from 0°C to 20°
Shixi Tao, Gang Tao, Lijing Zhang
openaire   +1 more source