Last Updated Sat, 11/04/2017 - 04:27
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… materials, such as carbon and low alloy steels, may suffer hydrogen damage and hydrogen embrittlement. Sour service materials must be used … of brittle failure can be increased due to the effect of hydrogen on steel toughness. In this paper the influence of …
Last Updated Fri, 05/24/2024 - 23:46
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… (cross-section 0.4 × 0.4 m) inside a safety vessel of the hydrogen test center HYKA at the Karlsruhe Institute of Technology (KIT) are reported. In the work, homogeneous hydrogen-air-mixtures as well as mixtures with different … in a larger semi-confined horizontal channel . … 1085 … Hydrogen Combustion Experiments in a Vertical Semi-confined …
Last Updated Fri, 05/24/2024 - 23:46
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… Hydrogen can be used as a buffer for storing intermittent … in Corsica, France, aims to operate and test a large scale hydrogen facility for regulating theelectricity produced by a 560kWp photovoltaic plant.Due to the large quantity of hydrogen and oxygen produced and stored (respectively 333 Kg …
Last Updated Sat, 11/04/2017 - 04:27
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… the complete 8-electron oxidation of borohydride without hydrogen evolution in a potential region negative to reversible hydrogen electrode (RHE). A major obstacle to the development … of direct borohydride fuel cells (DBFC) has been the hydrogen evolution at the negative electrode, which causes …
Last Updated Fri, 05/24/2024 - 23:46
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… Refueling infrastructure for use in gaseous hydrogen powered vehicles requires extensive manifolding for delivering the hydrogen from the stationary fuel storage at the refueling … Therefore, it is important to understand the effects of hydrogen on tubing and tubing welds. This paper provides an …
Last Updated Fri, 05/24/2024 - 23:46
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… Codes and Standards is important input when developing hydrogen systems and applications. This paper presents the … wind) based, full scale energy system with components for hydrogen storage, hydrogen production by electrolysis, and hydrogen consumption …
Last Updated Fri, 05/24/2024 - 23:46
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… on the fire prevention safety issues in the field of the hydrogen transport inpipelines. From the theoretical point of … integratedwith the instructions suitable to the use with hydrogen gas. From the experimental point of view asuitable … of Pisa; this apparatus will allowthe simulation of hydrogen releases from a pipeline with or without ignition of …
Last Updated Fri, 05/24/2024 - 23:46
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… Spontaneous ignition processes due to the high-pressure hydrogen releases into air were investigated both … accident scenarios of sudden expansion of pressurized hydrogen into the ambient atmosphere in cases of tube or valve rupture. High-pressure hydrogen releases in the range of initial pressures from 20 …
Last Updated Sat, 11/04/2017 - 04:27
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… ability of internal combustion engines, mixtures of hydrogen and methane as fuel allow a substantial reduction of … was adapted for the operation with mixtures of methane and hydrogen and approved for road traffic, necessary technical … storage, distribution, and combustion of mixtures of hydrogen and methane in terms of technical specifications, …
Last Updated Sat, 11/04/2017 - 04:27
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… For decades, the issue of hydrogen quality specification has been a source of … within the customer-supplier relationship. The rise of new hydrogen technologies, the emergence of new devices like fuel … the standards used today and future developments in hydrogen quality requirements to simplify and facilitate the …
Last Updated Fri, 05/24/2024 - 23:46
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… Hydrogen is one of the important alternative fuels for future transportation. At the present stage, research into hydrogen safety and designing risk mitigation measures are significant task. For compact storage of hydrogen in fuel cell vehicles, storage of hydrogen under …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… In the present work, self-ignition of high-pressure hydrogen released to atmospheric air through a diaphragm has … to the ambient. The present results suggest that the hydrogen which jets through the rupturing diaphragm is mixed … Study on Mechanism of Self Ignition of High-Pressure Hydrogen …
Last Updated Fri, 05/24/2024 - 23:46
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… and approaches of the safety and risk management for the hydrogen production with nuclear-based thermochemical water … stage and the linkage of a nuclear reactor with a hydrogen production plant is unprecedented. This paper … between the nuclear heat source and thermochemical hydrogen production cycle, as well, between the proximate …
Last Updated Sat, 11/04/2017 - 04:27
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… The differences in deposit removal and hydrogen release between ICR cleanings with various working … the HT-7 superconducting tokamak. Different mechanism of hydrogen release and deposit removal, such as chemical … various gases. The wall conditions, such as deposits and hydrogen retention, would also influence on the efficiency of …
Last Updated Sat, 11/04/2017 - 04:27
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… water electrolysis is one of the easiest methods for hydrogen production that has the advantage of simplicity. The … and safety. In this regard, the electrolytic production of hydrogen is systematically studied by commercially available … The experimental results showed the rate of production of hydrogen gas was significantly affected when the reaction …
Last Updated Tue, 05/14/2024 - 18:17
Document Library
… Ammonia and hydrogen represent opposite ends of the spectrum with regard … and/or because of its low laminar burning velocity. Hydrogen is sometimes discounted as a VCE hazard due to the ease with which a hydrogen-air mixture can be ignited and/or because of its …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… Experiments to investigate the effect of hydrogen pressure and test frequency on the fatigue crack … of a Ni-Cr-Mo steel for the storage cylinder of a 70 MPa hydrogen storage station were conducted. Compact tension … storage cylinder. The crack growth properties obtained in hydrogen gas were compared with those obtained in air. Higher …
Last Updated Fri, 05/24/2024 - 23:46
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… the structural response of vented enclosures during hydrogen deflagrations. The approach adopted entails full … with the computational fluid dynamics (CFD) tool FLACS-Hydrogen to the non-linear finite element (FE) IMPETUS Afea … of the combined model system is evaluated for vented hydrogen deflagrations in 20-foot ISO containers. The work is …
Last Updated Thu, 05/09/2024 - 00:36
FAQ
… Fire Code and NFPA 2 apply to non-transportation use of hydrogen. These are maturing quickly, with NFPA 2 currently … fuel tanks, fueling connections, and filling protocols. Liquid hydrogen transfer is well proven and established for …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… experiments to evaluate the hazard potential of a severe hydrogen leakage inside a fuel cell cabinet. During this study hydrogen distribution and combustion experiments were … UNIPI for their experiments on small foreseeable leaks. Hydrogen amounts of 1.5 to 15 g H2 were released within one …
