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
… 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 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 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 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
… 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 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 Sat, 11/04/2017 - 04:27
Bibliography Entry
… the expected impact on sustainability of processes for hydrogen production by steam reforming of natural gas. … of these processes. (C) 2008 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved. … Sustainability assessment of hydrogen production by steam reforming …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… Compressed hydrogen is delivered by trailers in steel cylinders at 19.6 … Kawasaki Heavy Industries, Ltd. developed two compressed hydrogen trailers with composite cylinders in collaboration … (NEDO). The first trailer, which was the first hydrogen trailer with composite cylinder in Japan, has 35 MPa …
Last Updated Sat, 06/01/2024 - 01:44
Basic page
… conducted within the Department of Energy's (DOE's) Hydrogen Program should use a common set of financial and … spreadsheet contains standard assumptions to be used in hydrogen-related analyses, including 10% internal rate of return. Energy Price Assumptions Many analyses of hydrogen and fuel cells require feedstock and utility (e.g., …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… Hydrogen may be released into the containment atmosphere of a … power plant during; a severe accident. Locally, high hydrogen concentrations may be reached that can possibly … of the containment at risk. The distribution and mixing of hydrogen is, therefore, an important safety issue for nuclear …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… Hydrogen-powered vehicles offer the promise of significantly … the technology and systems that are needed to store the hydrogen (H\d2) fuel onboard and deliver it to the propulsion … engineers currently know and understand. As the number of hydrogen vehicles incre of these vehicles with another …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… Hydrogen is widely in use in rocket propulsion systems, and as such, leakage of hydrogen from high-pressure fuel tanks requires accurate … tests with helium (an inert gas) and to try to infer the hydrogen leak rates from helium data, often employing …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… results from a series of experiments in which gaseous hydrogen was released into a 31 m3 enclosure and the hydrogen concentrations at a number of points within the enclosure were monitored to assess whether hydrogen accumulation occurred and whether a homogeneous or …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… The compressed hydrogen storage is currently widely used in fuel cell … For safety reason, the final gas temperature in the hydrogen tank during vehicle refueling must be controlled … the relations between the final gas temperature in the hydrogen tank and different refueling conditions. The …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… are described the different interactions between hydrogen gas and the most commonly used materials including the influence of "internal" and "external" hydrogen, the phenomena occurring in all ranges of temperatures and pressures and Hydrogen Embrittlement (HE) created by gaseous hydrogen.The …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… It is expected that hydrogen will serve as a nonpolluting carrier of energy for … of vehicles, and guidelines for its safe use are required. Hydrogen-gas service stations for supplying fuel-cell vehicles will have to handle high-pressure hydrogen gas, but safety regulations for such installations …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… is concerned with numerical simulations of large scale hydrogen detonations. Euler equations have been solved along … Further simulations were then conducted for a hypothetical hydrogen-air cloud in the open to assess the impulse as well … … 1089 … 1098 … 1085 … Numerical Simulation of Large Scale Hydrogen Detonation …
Last Updated Fri, 01/19/2024 - 17:38
Fuel Cell Codes and Standards
… hazardous situations and events relevant to stationary hydrogen generators intended for indoor and outdoor … … AS 16110.1:2020 (ISO 16110-1:2007, MOD) Hydrogen generators using fuel processing technologies, Part …
