Last Updated Fri, 05/24/2024 - 23:46
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… Safety is an essential element for realizing the ?hydrogen economy? ? safe operation in all of its aspects … demonstration of the U.S Department of Energy?s (DOE) Hydrogen, Fuel Cells and InfrastructureTechnologies (HFCIT) … in novelhydrogen storage materials to demonstrations of hydrogen refueling stations and vehicles. Recognizing …
Last Updated Sat, 11/04/2017 - 04:27
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… Hydrogen and oxygen generation due to the radiolysis of water … used in the nuclear industry, where the accumulation of hydrogen and oxygen at high points in the pipe system is … Pipe ruptures at nuclear facilities were attributed to hydrogen explosions inside pipelines, in nuclear facilities, …
Last Updated Sat, 11/04/2017 - 04:27
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… Hydrogen leaks are potentially dangerous faults in fuel cell systems that are fed with hydrogen-rich gas mixtures. This brief presents an approach to hydrogen leak detection and, thus, complements direct …
Last Updated Fri, 05/24/2024 - 23:46
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… Abstract Available … 1085 … Molecular Transport Effects of Hydrogen Addition on Turbulent Hydrogen Flame Propagation-Paper …
Last Updated Fri, 05/24/2024 - 23:46
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… made of amorphous PVA and elastomer resin showed good hydrogen resistance. Even after its polymer alloy were repeatedly exposed to 70MPa hydrogen gas, the influence on higher-order structure in … in negligible level. … 1085 … Development of High-Pressure Hydrogen Gas Barrier Materials …
Last Updated Fri, 05/24/2024 - 23:46
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… system for use in flow visualization relating to hydrogen safety. Previous large-scale shadowgraph and … system to complex phenomena and current issues in hydrogen safety including DDT in long channels, jet releases, … … 1085 … Implementation of Large Scale Shadowgraphy in Hydrogen Safety Phenomena …
Last Updated Fri, 05/24/2024 - 23:46
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… the re-fueling process of vehicle tanks with compressed hydrogen, and consequently high temperatures are generated in … distribution. In this framework, CFD simulations of hydrogen fast filling at different working conditions are … Practice Guidelines. … 1085 … Validation of CFD Models for Hydrogen Fast Filling Simulations …
Last Updated Sat, 11/04/2017 - 04:27
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… it is necessary to perform a controlled oxidation of hydrogen. Apart from the safety-relevant aspect, it can be … in dependence of the reaction parameters. Conversions of hydrogen were in the range of 98 %2when stoechiometric … on the flow directions and parameters. … Controlled hydrogen oxidation in a microstructured mixer-reactor module …
Last Updated Fri, 05/24/2024 - 23:46
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… modeling of the processes of formation of the hydrogen-air mixture in the atmosphere, its explosion (taking … failures at the industrial enterprises which store and use hydrogen. The computational modeling of an explosion of the gas hydrogen cloud appearing as a result of instantaneous …
Last Updated Sat, 11/04/2017 - 04:27
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… Autoignition suppression of hydrogen/air premixed mixtures by CF3CHFCF3(HFP) was … 93 species and 817 reaction mechanism was introduced for hydrogen/air/HFP mixtures. The result of pure hydrogen/air mixture show that the resulting value of …
Last Updated Sat, 11/04/2017 - 04:27
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… Optical hydrogen sensors are intrinsically safe since they produce no … spark in an explosive environment caused by the leakage of hydrogen. Safety remains a top priority since leakage of hydrogen in air during production, storage, transfer and …
Last Updated Fri, 05/24/2024 - 23:46
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… Storage of gases under pressure, including hydrogen, is a well-known technique. However the use in vehicles of hydrogen at pressures much higher than those applicable in … out tests on full-scale high pressure vehicle?s tanks for hydrogen or natural gas. Typical tests performed in GasTeF …
Last Updated Tue, 05/14/2024 - 20:09
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… is to assist users of codes and standards that apply to hydrogen application and use in understanding and applying … in the production, storage, distribution, and use of hydrogen are essential for developing hydrogen and fuel cell technologies. Codes and standards …
Last Updated Fri, 05/24/2024 - 23:46
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… The numerical simulation for the hydrogen jet experiments performed by Schefer et al., is … the preconditioning method. The simulated results for the hydrogen jet agree with the theoretical results of Tollmien. … fluctuation. … 1085 … Numerical Simulation on Low-Speed Hydrogen Jet Diffusion …
Last Updated Sat, 11/04/2017 - 04:27
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… applied to the inherent safety assessment of the envisaged hydrogen production, distribution and utilization systems, in the perspective of the widespread hydrogen utilization as a vehicle fuel. Alternative scenarios were assessed for the hydrogen system chain from large scale production to final …
Last Updated Sat, 11/04/2017 - 04:27
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… the large scale experiments with detonation propagating in hydrogen-air mixtures in partially confined geometries. The … in semi-confined geometries with uniform and non-uniform hydrogen-air mixtures. The experimental facility consisted of … was placed in a 100 m(3) safety vessel. For uniform hydrogen-air mixtures experiments with four different channel …
Last Updated Sat, 11/04/2017 - 04:27
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… of their capability to provide a high power density. Hydrogen constitutes the fuel for the PEMFC and can be … and safety problems. An efficient method to produce hydrogen is by methanol steam reforming in a micro-reactor, … expected that the solar powered micro-reactor will produce hydrogen with a higher overall efficiency than the present …
Last Updated Sat, 11/04/2017 - 04:27
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… that are likely to take place in the power plant using hydrogen gas as a coolant for the cooling system of the … Because of the extremely wide flammability limits of hydrogen in comparison to the other flammable gases, the safety measures against the hydrogen accidents is very important to ensure the normal …
Last Updated Sat, 11/04/2017 - 04:27
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… was tested for the first time with mixtures of methane and hydrogen. Short contact time CPO experiments were run to … NOx formation. … HYBRID CATALYTIC COMBUSTION OF METHANE/HYDROGEN MIXTURES …
Last Updated Fri, 05/24/2024 - 23:46
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… paper presents results from laboratory experiments with hydrogen dispersions and explosions in a 3 m long channel. … of the phenomena and to develop tools that can analyse hydrogen dispersions and explosions. A total of 5 test series were performed with flow rates of hydrogen from 1.8 dm(sup 3)/min to 75 dm(sup 3)/min. The …
