Last Updated Fri, 05/24/2024 - 20:40
Basic page
… Hydrogen is unlike conventional fuels such as gasoline or … heavier than air and tend to accumulate at ground level. Hydrogen is lighter than air and will accumulate near the … or in pockets at these locations. When the buoyancy of hydrogen is not properly taken into account in the design of …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… The control of hydrogen losses in a hydrogen production industrial plant is of crucial importance … The high temperatures and pressures required in hydrogen production processes as well as the corrosive …
Last Updated Tue, 05/14/2024 - 01:14
FAQ
… Generally, Type 1 steel vessels are likely to withstand a hydrogen jet flame longer than a composite vessel because of … would steel tanks have compared to type 4 tanks? … Hydrogen Jet Impingement …
Last Updated Thu, 12/22/2022 - 21:57
Fuel Cell Codes and Standards
… of high pressure gas valves that are used in gaseous hydrogen stations of up to the H70 designation. This document … … ISO 19880-3 Gaseous hydrogen -- Fueling stations -- Part 3: Valves …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… (CFD) is used to numerically solve the sudden release of hydrogen from a high pressure tank (up to 70MPa) into air. … pipes connected to the tank which results in release of Hydrogen. The supersonic flow caused by high pressure ratio … code is developed to simulate the flow. High pressure Hydrogen requires a real gas law because it deviates from …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… study of the un-stretched laminar premixed flames of hydrogen-methane mixtures is carried out by using the … in the CHEMKIN software to find out the effect of hydrogen addition on the hybrid fuel burning velocity. The … results show that the laminar burning velocity of the hydrogen-methane mixtures is not the linear regression of …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… Hydrogen is a clean and versatile energy source but it is … and tasteless. Despite of these safety disadvantages, hydrogen provides the best route to a sustainable ideal fuel for future. Thus hydrogen sensor has important applications in modern …
Last Updated Fri, 02/03/2023 - 14:48
Fuel Cell Codes and Standards
… and symbols related to mechanical methods for hydrogen embrittlement testing, which are present in more … … ASTM F2078-15 Standard Terminology Relating to Hydrogen Embrittlement Testing …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… The University of Missouri-Rolla (UMR), through a hydrogen internal combustion engine vehicle evaluation … Motor Company, will establish a commuter bus service and hydrogen refueling at a station in rural Missouri near Ft. … research, training, and education agenda for the rural hydrogen transportation test bed is to develop, demonstrate, …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… Implantation of light ion species, such as Hydrogen and Helium, is widely used to modify silicon … properties by adjustment of charge carrier lifetime. Hydrogen-related donors can also be induced in great depth … However, the radiation related safety concerns require the Hydrogen be used separately from other dopant species …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… Hydrogen absorbing alloys are expected for "New Energy … Carrier" in our future society. The main advantages of a hydrogen storage tank using the hydrogen absorbing alloy are its increased compactness and …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… new wide area monitoring and distributed optical network hydrogen detection systems. Optical hydrogen sensing technologies reviewed here are:open path … and shearing interferometry imaging.Ultrasonic sensors for hydrogen release detection are also reviewed. The development …
Last Updated Thu, 06/22/2023 - 21:16
Fuel Cell Codes and Standards
… based on SAE J2719 while still ensuring fuel quality at hydrogen fueling stations for PEM fuel cell vehicles (FCVs) … station and the vehicle. Depending on the source of the hydrogen, some impurities or contaminants will be more likely … Process system faults were considered for each of the hydrogen sources listed in Section 4, and the likely …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… Hydrogen is highly flammable in gas form and a health hazard … installation of a venting system is essential to control hydrogen flow and prevent explosions. Unless hydrogen goes through a combustion process, such as in a …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… establish a market-receptive environment for commercial, hydrogen-based products and systems. The focus of the U.S. … and verified database of the properties and behavior of hydrogen and the performance characteristics of emerging hydrogen technology applications sufficient to enable the …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… An analysis was completed of the hazards distance of hydrogen accidents such as jet release, jet fire, and vapor cloud explosion(VCE) of hydrogen gas, and simplified equations have been proposed to … by the gas dispersion, fire, and explosion following hydrogen gas release. For a small release rate of hydrogen …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… The commercial deployment of hydrogen will often involve housing portable hydrogen fuel cell power units in 20-foot or 40-foot shipping containers. Due to the unique properties of hydrogen, hazards identification and consequence analysis is …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… This study examines the types of hydrogen leaks that can support combustion and the effects on stainless steel of long term hydrogen flame exposure. Experimental and analytical work is presented. Hydrogen diffusion flames on round burners were observed. …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… IT has been long known that hydrogen can substantially reduce the mechanical stability of … metals under tensile stress1-3. This phenomenon of 'hydrogen embrittlement' has important consequences for the … Here we report the results of a study of fracture of hydrogen-loaded palladium under tensile stress which uses …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… in layers up to 0.6 m filled with uniform and non-uniform hydrogen-air mixtures in a rectangular channel (width 3 m; … A semi confined driver section is used to accelerate hydrogen flames from weak ignition to detonation. The … … Detonation Wave Propagation in Semi-Confined Layers of Hydrogen-Air and Hydrogen-Oxygen Mixtures …
