Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… rockets, whose launch rate is a few times per year. The hydrogen aircraft, for which the turn-around time was … to develop fuel cell-powered vehicles whose propellant is hydrogen. Judging from the above, we must be able to design … with the much shorter turn-around time like that of the hydrogen aircraft and the safety like that of fuel …
Last Updated Wed, 05/08/2024 - 23:37
FAQ
… GH2 and LH2 will vary with pressure and diameter of the hydrogen piping. In practice, high voltage overhead power … the easement required for these lines that would exclude hydrogen (and other) systems. For safety, if a best practice …
Last Updated Fri, 05/31/2024 - 00:20
Best Practice
… and valve leaks are the largest contributors to hydrogen incidents at NASA, accounting for 20% of the … for 16% of the incidents. Inspection activities for hydrogen systems include leak testing checking for continuous … Leak testing using soap bubble solution or a hand-held hydrogen detector should be performed on a regular basis, and …
Last Updated Wed, 07/24/2019 - 22:35
Bibliography Entry
… out methanol steam reforming (MSR) reaction to produce hydrogen. To perform the safety analysis, HAZOP method is … silica MR performance in terms of methanol conversion and hydrogen recovery. The model validation results show good … bar, whereas over 4.0 bar, it is improved. Moreover, the hydrogen recovery is decreased by increasing the feed molar …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… associations and the main European companies active in hydrogen infrastructure development … 1085 … Supporting …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… polar surface area (PSA), apolar surface area (aPSA), hydrogen bond acceptors and hydrogen bond donors were very low. In quintile groups a …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… Problem (SBEP) V1, which is based on an experiment on hydrogen release, mixing and distribution inside a vessel. … for future work. (C) 2007 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights …
Last Updated Thu, 05/02/2024 - 20:06
Video
… an electrolyzer and fuel cell demonstration to show how hydrogen and fuel cell technologies work. … Electrolyzer and …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… in abundance. This paper points outs the factors seeking hydrogen energy and fuel cell technology to eradicate … cogeneration technology. This paper discusses the multiple hydrogen production pathways from different sources, … sources, H-2 safety, and also barriers to use of hydrogen energy. This paper recommends different types of …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… and safety concerns in the storage and transport of hydrogen, development of on-board fuel processing of hydrocarbon into hydrogen is being considered a critical issue in the success …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… but there were safety concerns regarding the use of hydrogen peroxide to scavenge unwanted hypochlorite, which … new process provided equivalent yields and purities to the hydrogen peroxide procedure, thus maintaining the economic …
Last Updated Tue, 05/14/2024 - 01:39
FAQ
… on how frequently to change a rupture disk of a hydrogen tube trailer? Existing guidance points to changing …
Last Updated Tue, 06/11/2024 - 21:08
Best Practice
… in the production, storage, distribution, and use of hydrogen are essential to protect people from injury or … to equipment and facilities. A significant accident in any hydrogen project, especially if it results in injury, could negatively impact the public's perception of hydrogen systems as viable, safe, and clean alternatives to …
Last Updated Sat, 06/01/2024 - 08:40
Basic page
… gained from actual experiences using and working with hydrogen. The database also serves as a voluntary reporting … tool for capturing records of events involving either hydrogen or hydrogen-related technologies. The focus of the database is …
Last Updated Fri, 05/31/2024 - 00:13
Best Practice
… prevented both within the organization and in the broader hydrogen industry. Incident investigations should be … otherwise, concerning the accident may also be required. Hydrogen safety incidents and near misses should be reported in the Hydrogen Lessons Learned Reporting Database. Please share …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… operation and storage, A conventional FID operates with a hydrogen diffusion name, which has a central now of pure hydrogen and column effluents, surrounded by a much higher … is based on the combustion of a premixed (unseparated), hydrogen and oxygen, stoichiometric gas mixture, ?his …
Last Updated Fri, 05/31/2024 - 04:43
Best Practice
… equipment (see below). Regulations may limit the on-board hydrogen storage capacity. Industrial trucks with a large … to isolate the fuel source upon detection of an on-board hydrogen leak. Vehicle fuel systems should prevent the … procedure prior to returning to service. A mixture of hydrogen and air in the high-pressure fuel system must be …
Last Updated Fri, 05/31/2024 - 00:21
Best Practice
… locations should be well ventilated to mitigate hydrogen leaks through adequate air dilution. Non-classified … and/or electrically classified and stay on when a hydrogen leak is detected. If electrolyzers are installed … to manufacturer instructions. The potential for leaking hydrogen to accumulate under overhead structures should also …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… In searching for high gravimetric and volumetric density hydrogen storage systems, it is inevitable that higher energy … to make safe and commercially acceptable condensed phase hydrogen storage systems, it is important to understand … United Nations, have been used to evaluate two potential hydrogen storage materials, 2LiBH4 MgH2 and NH3BH3. The …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… and this may turn in the production of a safety-relevant hydrogen amount. Since then, major efforts have been devoting to hydrogen safety R&D in the nuclear field. Owing to buoyancy forces, hydrogen may accumulate in the higher regions of the …
