Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… During research of new possible sources of energy, hydrogen was identified as a very promising potential energy … The main problem in the transport is the safe use of hydrogen in road tunnels where it should be safe in case of … and even detonation. In the article, concept of hydrogen trap on the ceiling is developed and described based …
Last Updated Tue, 06/11/2024 - 22:20
Best Practice
… about the instrument in the Documentation . See Hydrogen Storage and Piping Systems section. Workplace … GAS - NO SMOKING - NO OPEN FLAMES Storage sites for liquid hydrogen should also have a sign that reads: LIQUEFIED … of standard placards: Signs should be placed on all liquid hydrogen vessels near the pressure-relief valve vent …
Last Updated Thu, 04/08/2021 - 00:01
Fuel Cell Codes and Standards
… and advertising of fuels sold at retail, including hydrogen. DMS began its hydrogen-related activities in 2005, when Senate Bill 76bplaced responsibility to adopt specifications for hydrogen fuel on the Department of Food and Agriculture. DMS …
Last Updated Thu, 01/12/2023 - 21:31
Fuel Cell Codes and Standards
… for the flexible fuel line, a compressed gaseous hydrogen (CGH 2 ) and hydrogen/natural gas blend fuel system component intended for … CGH 2 in accordance with ISO 14687-1 or ISO 14687-2 and hydrogen/natural gas blend using natural gas in accordance …
Last Updated Tue, 09/12/2023 - 20:54
Fuel Cell Codes and Standards
… design, safety and operation characteristics of gaseous hydrogen land vehicle (GHLV) refueling connectors consisting … allow GHLVs to be filled by fueling stations dispensing hydrogen with nominal working pressures equal to or lower … GHLV to be filled by fueling stations dispensing blends of hydrogen with natural gas. Refueling connectors dispensing …
Last Updated Mon, 06/03/2024 - 17:56
Basic page
… Hydrogen leak detection systems may be required by the … safety. Leak detection can be achieved by providing hydrogen (or flammable gas) detectors in a room or enclosure, … in close proximity to the exterior piping or locating hydrogen piping within another pipe and monitoring the …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… According to the Global technical regulation on hydrogen and fuel cell vehicles (FCV), fuel cell discharge … at the vehicle exhaust system`s point of discharge, the hydrogen concentration level shall not exceed 4 % average by … down [1]. FC stack need to washout by the concentrated hydrogen as the purge gas and how to exhaust gas without …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… Catalytic hydrogen-oxygen recombination is a non-traditional method to limit hydrogen accumulation and prevent combustion in the hydrogen industry. Outside of conventional use in the nuclear …
Last Updated Wed, 06/19/2024 - 06:50
Basic page
… Extensive industrial experience has shown that hydrogen degrades the mechanical properties of structural … metals under certain conditions through a process called "hydrogen embrittlement", enabling the initiation and … of components, piping, and other equipment containing hydrogen is a critical safety issue, since such failures can …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… present study, a numerical simulation for the diffusion of hydrogen jet in a enclosure was performed to aid the leakage test of the hydrogen for the safety of the hydrogen vehicle. The temporal and spatial distributions of …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… LIQHYSMES, has been proposed which combines the use of liquid hydrogen (LH(2)) with superconducting magnetic energy storage … volumetric energy density and, compared with compressed hydrogen, increased operational safety is the prime energy …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… The aim of this review is to attract hydrogen community care to the hydrogen-materials problem, that may slow down hydrogen economy entering into the mankind life. Two contrary …
Last Updated Thu, 05/09/2024 - 00:09
FAQ
… The pressure regulator controls the liquid flow from the tank to the pressure build (PB) … the house-line regulator needs this pressure to supply hydrogen to the application and control accurately. The PB … circuit is based on the replacement rate of the withdrawn liquid with gas required to maintain constant tank pressure. …
Last Updated Thu, 05/09/2024 - 00:22
FAQ
… calculations. … 906 … 914 … 915 … Regarding ignition in hydrogen vents, is there a set of conditions or operating … use the requirements of 6.2.4 such as 10 ft above grade? … Hydrogen Venting …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… Industrial Technology Development Organization (NEDO) Why Hydrogen? To promote Hydrogen Energy, there are reasons such as Reducing … Burdens, Energy Security, and Competitiveness. … 1085 … Hydrogen Safety in Japan …
Last Updated Tue, 09/12/2023 - 20:36
Fuel Cell Codes and Standards
… Report (TIR) provides test methods for evaluating hydrogen sensors when the hydrogen system integrator and/or vehicle manufacturer elect to use such devices on board their hydrogen or fuel cell vehicles. The test methods are …
Last Updated Thu, 10/27/2022 - 00:06
Best Practice
… Hydrogen Safety Planning Safety in hydrogen research is maintained through a disciplined safety … and reduce them. Safety planning guidance from the Hydrogen Safety Panel can be found here . Best practice is to …
Last Updated Wed, 05/08/2024 - 23:15
FAQ
… in pressure due to the very large expansion ratio as the liquid converts to gas. Relief devices are required since the … LH2 is warmed, it undergoes a phase transformation from liquid to gas (progressively more bubbles until 100%) at a … The vaporization occurs within a closed system and only hydrogen is present. No air enters the system and the volume …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… to identify and quantify the additional risks related to hydrogen explosions during the operation of a hydrogen driven car. In a first attempt the accidents or failures of a simple one-tank hydrogen storage system has been studied as a main source of …
Last Updated Tue, 05/14/2024 - 01:13
FAQ
… and other systems can’t be directly retrofitted to handle hydrogen. The LNG components and systems will need to be … specified for this temperature will not be suitable for liquid hydrogen’s temperature of 20 K. In addition, liquid hydrogen’s lower temperature will condense air, so …
