Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… We have developed a web-based hydrogen safety class and are developing a hands-on hydrogen safety class. The 4-h web-based class is directed to laboratory researchers who need basic hydrogen safety information (free online access at …
Last Updated Tue, 05/14/2024 - 19:40
Document Library
… an example safety plan in Attachment A associated with hydrogen and fuel cells, where there is a significant … quantities, pressures, exposures, or other conditions. Hydrogen is unique among flammable gases in that small … by Pacific Northwest National Laboratories (PNNL) and its Hydrogen Safety Panel (HSP) members to assist entities …
Last Updated Sun, 11/17/2024 - 16:02
Fuel Cell Codes and Standards
… provides recommendations and guidance to the ASME B31.12 Hydrogen Piping and Pipelines Section Committee for design … for metallic and non-metallic materials when used in a dry hydrogen gas environment; design life considerations; … at www.asme.org … ASME STP-PT-006 Design Guidelines for Hydrogen Piping and Pipelines …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… Hydrogen is considered as a future fuel which may replace … ones. There are several arguments for utilization of the hydrogen : high heat of combustion, zero CO2 emission, etc. … high cost of production and safety problems. Nowadays, hydrogen, used in vehicles, can be stored at pressure up to …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… results of computational fluid dynamics (CFD) modeling of hydrogen releases anddispersion outdoors during venting of hydrogen storage in real environment and geometry of a … effects resultingfrom potential ignition of flammable hydrogen clouds were assessed using TNO ?Yellow …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… Experiments on flame propagation regimes in a turbulent hydrogen jet with velocity and hydrogen concentration gradients have been performed at the FZK hydrogen test site HYKA. Horizontal stationary hydrogen jets …
Last Updated Wed, 11/20/2024 - 23:18
Document Library
… Mixing of hydrogen into natural gas, as a means of mitigating … for use with natural gas, when fuelled by blends of hydrogen and natural gas. This study examines the performance … fuelled by methane as a natural gas proxy, and methane/hydrogen blends containing up to 15% hydrogen. The appliances …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… With increase in the use and application of hydrogen for stationary and mobile applications, there is an … means to estimate and predict those safety features of hydrogen will greatly assist in avoiding expensive … In this paper predictive model for accurate estimation of hydrogen parameters such as percentage lower explosive limit, …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… simulations are compared against a large scale vertical, hydrogen jet fire test [Schefer, R. W., Houf, W. G., … (2007). Characterization of high-pressure, under-expanded hydrogen-jet flames. International Journal of Hydrogen Energy, 32(12), 2081-2093], which gives experimental …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… Hydrogen is emerging as clean fuel and important industrial raw materials. The hydrogen gas is not sensed by the human olfactory system, But the combustion characteristics of hydrogen is that the ignition is very easy, the propagation …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… Element One, Inc. is developing novel indicators for hydrogen gas for applications as a complement toconventional electronic hydrogen sensors, or as a low-cost alternative in situations … Theoxide is partially reduced in the presence of hydrogen in concentrations as low as 300 parts per millionand …
Last Updated Fri, 02/28/2020 - 21:39
Bibliography Entry
… The real and perceived risks of hydrogen fuel use, particularly in passenger vehicles, will require extensive safety precautions including hydrogen leak detection. Conventional hydrogen gas sensors require electrical wiring and may be too …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… In a near future, with an increasing use of hydrogen as an energy vector, gaseous hydrogen transport as well as high capacity storage may imply … However, such materials are well known to be sensitive to hydrogen embrittlement (HE). For safety reasons, it is thus …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… The paper presents CFD simulations of high pressure hydrogen release and dispersion inside thestorage room of realistic hydrogen refueling station and comparison to experimental … were also investigated by presenting the predicted hydrogen concentration field. Finally, the effects of release …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… separation distances forunintended releases of hydrogen. The extent of the ignitable gas envelopecan be … ofignitability in turbulent flowingsystems? … 1085 … Hydrogen Jet Ignition Experiments and Modeling …
Last Updated Tue, 02/14/2023 - 00:27
Bibliography Entry
… Hydrogen fueled vehicle demonstration projects must satisfy … The work focused on the storage and distribution of hydrogen as the bus motor fuel with emphases on the technical … operational aspects of using metal hydride beds to store hydrogen. The safety evaluation demonstrated that the …
Last Updated Wed, 11/20/2024 - 18:30
Fuel Cell Codes and Standards
… efficiency grades, test methods, and inspection rules for hydrogen producing systems by water electrolysis (hereinafter referred to as hydrogen producing systems). This Standard applies to fixed or mobile hydrogen producing systems. The structure of water …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… the buoyancy-driven flow and ignition of a stoichiometric hydrogen-air mixture by a rapidly heated surface (glowplug) … at the top of the glowplug; numerical results for hydrogen-air reproduce this trend, and shed light on this … ignition to take place. … 1085 … Hot Surface Ignition of Hydrogen-Air Mixtures …
Last Updated Mon, 06/17/2024 - 18:19
Bibliography Entry
… U.S. Department of Energy supports the implementation of hydrogen fuel cell technologies by providing hydrogen safety and emergency response training to first … clips of the training sessions will be presented. … 1085 … Hydrogen Emergency Response Training For First Responders …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… Electric vehicle (EV), Hybrid electric vehicle (HEV) and Hydrogen Fuel Cell Vehicle (HFCV) is expected to grow due to … it is essential to secure protection against high-pressure hydrogen gas and high- voltage in fuel cell vehicles and thus … the Republic of Korea. … 1085 … Assessment of Safety for Hydrogen Fuel Cell Vehicle …
