Last Updated Sat, 11/04/2017 - 04:27
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… to study the interaction between water droplets and a hydrogen-air flame, has been presented. A parametric study … size distribution. (C) 2009 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights … … On the use of spray systems: An example of R&D work in hydrogen safety for nuclear applications …
Last Updated Sat, 11/04/2017 - 04:27
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… Understanding the characteristics of a hydrogen gas jet exiting from a compressed vessel during … safety requirements for distribution and use of hydrogen. Such jets can undergo several flow regimes during … compressible flow simulations. Both the cases of a hydrogen jet exiting into quiescent hydrogen and of a …
Last Updated Sat, 11/04/2017 - 04:27
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… Hydrogen sensors are of paramount importance for the safety of hydrogen fuel cell technology as result of the high pressure … based on thermal conduction that is very sensitive to hydrogen, highly specific and can operate on low …
Last Updated Fri, 05/24/2024 - 23:46
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… readily available for most common hydrocarbon fuels. For hydrogen however data is still required on the hazards … has started to appear but this data generally relates to hydrogen vehicle refuelling systems that are designed for … carried out were to simulate a leak from two 50 litre hydrogen cylinders at 200 bar, which, after discussion with …
Last Updated Fri, 05/24/2024 - 23:46
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… capillaries can be high enough to withstand the internal hydrogen pressure up to 233 MPa at normal and cryogenic … the experimental results, the cryo-compressed storage of hydrogen in the capillaries at moderate pressure can enable … and volumetric capacities of vessels for the safe mobile hydrogen storage. Furthermore, flexible capillaries in a …
Last Updated Fri, 05/24/2024 - 23:46
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… systems are of interest for storage and distribution of hydrogen. The dynamic blow-down process of a high-pressure … investigations. This paper presents models to predict the hydrogen concentration and velocity field in the vicinity of … model with a real gas equation of state for normal hydrogen is used to calculate the time dependent gas state in …
Last Updated Fri, 05/24/2024 - 23:46
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… aims to investigate the effect of vacancy concentration on hydrogen diffusion in alpha-Fe by molecular dynamics … to characterize and summarize the effect of vacancy on hydrogen diffusion coefficient. … 1085 … The effect of vacancy concentration on hydrogen diffusion in alpha-Fe by molecular dynamics …
Last Updated Sat, 11/04/2017 - 04:27
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… The ignition of stoichiometric and fuel-lean hydrogen-air mixtures near 10()0 K Was Studied, for varying … of iron pentacarbonyl promotes or inhibits the ignition of hydrogen/air mixtures. The simulations show that iron … of The Combustion Institute. … Promotion or inhibition of hydrogen-air ignition by iron-containing compounds …
Last Updated Sat, 11/04/2017 - 04:27
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… This paper presents the strength safety of a hydrogen gas composite fuel tank, which is analyzed using a … on the criterion of US DOT-CFFC and Korean Standard. A hydrogen gas composite tank in which is fabricated by an … 130L . … A Study on the Strength Safety of a Composite Hydrogen Fuel Tank for a Vehicle …
Last Updated Fri, 05/24/2024 - 23:46
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… simulations of detonation deflagration transition (DDT) in hydrogen-air mixtures are presented and compared with … are provided in the paper. … 1085 … Simulation of DDT in Hydrogen-Air Behind a Single Obstacle …
Last Updated Sat, 11/04/2017 - 04:27
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… United States, has been tasked to evaluate the safety of hydrogen in various operations and processes of the World … … Computer simulation of explosion of a pressurized hydrogen storage tank …
Last Updated Sat, 11/04/2017 - 04:27
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… Hydrogen is considered to be a hazardous gas since it forms a … volume in air. Hence, the safety aspects of handling hydrogen are quite important. For this, ideally, highly selective, fast response, small size, hydrogen sensors are needed. Although sensors based on …
Last Updated Sat, 11/04/2017 - 04:27
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… important devices for alerting to the presence of leaked hydrogen in any application involving the production, storage, or use of hydrogen. Key missions for the sensor test laboratories in … Transport are to assure the availability and proper use of hydrogen safety sensors. As an integral element in a safety …
Last Updated Sat, 11/04/2017 - 04:27
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… projects are interested in the development of the hydrogen economy for the transportation system. Yet, the development of a hydrogen economy suffers from a lack of infrastructure to … fuel to the refuelling stations, while at the same time, hydrogen can be just seen as one alternative among others to …
Last Updated Sat, 11/04/2017 - 04:27
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… polymer pipes like polyethylene. With the introduction of hydrogen in mixture with natural gas and finally the transport of pure hydrogen, the key challenge is the high level of permeability that is to say the flow rate of hydrogen through polymer infrastructures (pipes or components …
Last Updated Sat, 11/04/2017 - 04:27
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… In this study, the strength safety for 110 liter hydrogen fuel storage tank with 70MPa filling pressure has … The FEM computed results on the strength safety of 70MPa hydrogen gas tank showed that the hydrogen fuel storage tank in which is fabricated by T800-24K …
Last Updated Fri, 05/24/2024 - 23:46
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… In order to ensure safe operation of hydrogen storage cylinders under adverse conditions, one … element model has been developed to analyze composite hydrogen storage cylinders subjected to transient localized … cylinder consists of an aluminum liner that serves as a hydrogen gas permeation barrier. A filament-wound, …
Last Updated Sat, 11/04/2017 - 04:27
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… and detail engineering for the construction of a wind-hydrogen energy demonstration plant (WHE Demo Plant), a … taking into account the needed knowledge for gaseous hydrogen handling in different pressure and temperature … Arroyito, Argentina, in which great flows of pressurized hydrogen are involved, is an appreciable experience. An …
Last Updated Fri, 05/24/2024 - 23:46
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… Hydrogen is one of the important alternative fuels for future transportation. At the present stage,research into hydrogen safety and designing risk mitigation measures are significant task. For compactstorage of hydrogen in fuel cell vehicles, storage of hydrogen under …
Last Updated Sat, 11/04/2017 - 04:27
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… Safety is always a concern in all applications that utilize hydrogen (H-2) in one form or another. Hydrogen leaks are invisible and odorless. In addition, blending odorants or additives into hydrogen in a manner similar to natural gas is generally …
