Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… Hydrogen gas concentrations and jet velocities were measured … and ignitability for 40 to 82 MPa high-pressurized hydrogen jet which was discharged from the nozzle with 0.2mm … from both OH radical and water vapor species yielded from hydrogen combustion ignited by an electric spark were …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… between experimental data and simulation results of hydrogen explosions in a vented vessel is described in the … Commission co funded Network of Excellence HySafe (Hydrogen Safety as an Energy Carrier) that has the objective to facilitate the safe introduction of hydrogen technologies The mitigation effect of vents on the …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… bed system (Au/Fe2O3 + Pt-Pd/Al2O3) for eliminating hydrogen from the CO2 feed gas in urea synthesis is found to … in catalytic activity. At relatively low temperatures, hydrogen is eliminated and coexistent CO is also oxidized … This can avoid effectively the accidental explosion of hydrogen-oxygen-ammonia mixed gases, thus ensuring the safety …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… stack, Independent Pressure Vessel (IPV) aerospace Nickel-Hydrogen cell with axial terminals for compliance with range … load being removed. … Short circuit testing of a nickel-hydrogen cell for compliance with range safety requirements …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… gases affected the lift-off and blow-out stability of the hydrogen differently. Theexperiments showed that propane … the increasing in propaneconcentration. Direct blow-off of hydrogen/propane was never observed. Methane addition … Propane ismuch more effective in lift-off and blow out hydrogen flames. The study carried out a chemical …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… being paid by car manufacturers and the general public to hydrogen as a middle and longterm energy carrier for … 6th frame-work program of the EU will be shown. … 1085 … Hydrogen Onboard Storage - An Insertion of the Probabilistic …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… In this paper, five hydrogen storage systems for automobiles are evaluated using … hierarchy process (AHP) in respect to eight criteria. The hydrogen storage systems for automobiles to be evaluated are 350 bar compressed gas hydrogen, 700 bar compressed gas hydrogen, liquefied …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… The large eddy simulation (LES) model of hydrogen-air detonation at very large scales, which doesn't … design solutions, including mitigating techniques, for hydrogen safety engineering. There is no intention to use … detonation wave. (c) 2008 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… with increased content of aggressive components (such as hydrogen sulphide and carbon dioxide) can significantly … ecological safety. (C) 2001 International Association for Hydrogen Energy. Published by Elsevier Science Ltd. All … and wear-resistant materials for use in agressive hydrogen medium …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… to provide data on the whole reaction chain leading to a hydrogen hazard onboard a vehicle. Out of the three types of … will be relatively modest provided that the averaged hydrogen concentration in this area is limited to … solutions are proposed in this paper. Copyright (C) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… electron donor. In this study, the possibilities for using hydrogen gas in aquaria systems as a harmless alternative to … safety issues regarding the storage of large volumes of hydrogen gas, in situ generation of hydrogen gas by means of a separate electrochemical cell was …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… Due to the importance of hydrogen attack regarding the safety and competitivity of the … industry, and to the lack of experimental data on hydrogen-creep interaction, a dedicated testing rig has been … which allows high internal pressure tube testing with hydrogen at elevated temperatures. The tubes, being under …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… permitting guidelines (IPG) for small stationary hydrogen and fuel cell systems is discussed. A key aim of the … generate new scientific data and knowledge in the field of hydrogen safety, and, where possible, use this data as a … in the event of a foreseeable leak, the concentration of hydrogen in air for zone 2 ATEX is not exceeded. The hazard …
Last Updated Wed, 02/24/2021 - 18:51
Fuel Cell Codes and Standards
… describes a procedure for the determination of cations in hydrogen and other fuel cell feed gases. It has been … concentration is achievable dependent on the amount of hydrogen or other gas sampled. This test method can be … of Ammonium, Alkali and Alkaline Earth Metals in Hydrogen and Other Cell Feed gases by Ion Chromatography …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… paper the two-stage model of detonative combustion of hydrogen is presented. The following improvements are … model; sample calculations of the detonation wave in hydrogen/air mixtures in wide range of conditions, showing … simulations of the detonation cell are presented for the hydrogen/oxygen/argon mixture as example to show the …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… for critical combustion conditions in ultra-lean hydrogen-oxygen mixtures diluted with N-2 and water vapor. If … peak temperature, computed with account taken of hydrogen Soret diffusion, is equal to the crossover … excellent accuracy to the description of lean premixed hydrogen-air combustion, i.e, for phi less than or similar to …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… Hydrogen is currently gaining much attention as a possible … future substitute for oil in the transport sector. Hydrogen is not a primary energy source but can be produced from other sources of energy. A future hydrogen economy will need the establishment of new …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… relationship between volume flow rates for oxygen and hydrogen sulfide. … INCREASING SAFETY IN THE OXIDATIVE … CONVERSION OF HIGHLY CONCENTRATED GASES CONTAINING HYDROGEN SULFIDE …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… to synthesize nickel nanopowders via an RF plasma-assisted hydrogen reduction route. Thermodynamic analysis revealed … of environmental safety. The present plasma-assisted hydrogen reduction of nickel hydroxide/carbonate is an ideal … reserved. … RF plasma synthesis of nickel nanopowders via hydrogen reduction of nickel hydroxide/carbonate …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… evaluated the fire safety of vehicles that use compressed hydrogen as fuel. We conducted fire tests on vehicles that used compressed hydrogen and on vehicles that used compressed natural gas and … results revealed that vehicles equipped with compressed hydrogen gas cylinders are not more dangerous than CNC or …
