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Safety Risks Hydrogen Fuel Applications in Transportation Behicles. Final rept.
| 题名： | Safety Risks Hydrogen Fuel Applications in Transportation Behicles. Final rept. |
| 作者： | Vudunu-S.K. |
| 关键词： | *Hydrogen-production; *Liqiud-fuels; *Motor-vehicles; *Safety-.;Combustion-; Risk-; Transportation-; Flammability-; Internal-combustion-engines; Storage-tanks; Fire-prevention; Energy-demand; Fuel-cells; Fire-safety; Environmental-effects-Humans; Air-pollution. |
| 摘要： | Combustion of hydrocarbon fuels in many practical applications products pollutants that are harmful to human health and environment. Hydrogen fuel is considered to be a potential answer to the clean energy demands, especially with the advances in fuel cells and hydrogen powered internal combustion engines. The transition from fossil to hydrogen fuel involves many challenges that must be overcome for a widespread hydrogen economy. Safety is a critical issue during the design and operation of vehicles and storage tanks involving hydrogen, whose propreties are drastically different compared to the traditional fuels such as gasoline. Experimental study and theoretical analysis were performed to investigate the flammability of hydrogen-air mixtures and its dependence on various parameters. To understand the transient behavior of hydrogen mixing and associated flammability limits in air during an accidental release, computational tools were used. The numerical simulations display the spatial and temporal distributions of hydrogen and the complex flow patterns demonstrate the fast formation of flammable zones with implications in the safe and efficient use of hydrogen in various applications. This study is essential to support the fire safety and prevention guidelines. Results obtained in this work are expected to be utilized for developing the necessary fire safety codes and standards for hydrogen-powered transportation vehicles and for the prevention and safe handling of hydrogen fires and detonations. |
| 报告类型： | 科技报告 |
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