Last Updated Mon, 05/08/2023 - 16:27
Fuel Cell Codes and Standards
… outline covers portable water electrolysis type gaseous hydrogen generators and component water electrolysis type gaseous hydrogen generators for use in portable equipment. 2. This outline applies to hydrogen generators rated 250 V maximum that are for …
Last Updated Thu, 05/02/2024 - 20:22
Video
… This video explains some of hydrogen's unique properties and compares hydrogen and propane flames. … Characteristics of Hydrogen …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… are arguably the greatest challenge facing our planet. Hydrogen is now widely regarded as one key element of a … emissions, sustainability and energy security. Hydrogen has the potential to provide for energy in … from a carbon-based (fossil fuel) energy system to a hydrogen-based economy involves significant scientific, …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… present study, a numerical simulation for the diffusion of hydrogen leakage of FCV(Fuel Cell Vehicle) in a tunnel was … accident. The temporal and spatial distributions of the hydrogen concentration around FCV are predicted from the … present results. Factors influencing the diffusion of the hydrogen jet were examined to evaluate the effectiveness of …
Last Updated Thu, 12/01/2022 - 21:37
Fuel Cell Codes and Standards
… and the environment inside and outside the vehicle against hydrogen-related hazards. It applies only to such FCV where compressed hydrogen is used as fuel for the fuel cell system. … … vehicles -- Safety specifications -- Protection against hydrogen hazards for vehicles fueled with compressed hydrogen …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… The BMW Hydrogen 7 is the world's first premium sedan with a … driving pleasure. During development, the features of the hydrogen energy source were emphasized. Engine, tank system … developed as integral parts of the vehicle for use with hydrogen. The safety-oriented development process established …
Last Updated Wed, 02/24/2021 - 18:51
Fuel Cell Codes and Standards
… applies to packaged, self-contained or factory matched hydrogen generation systems with a capacity less than 400 … (normal cubic meters per hour) that convert a fuel to a hydrogen rich stream of composition and condition suitable for the type of device using hydrogen (e.g. a fuel cell power system or a hydrogen …
Last Updated Thu, 07/04/2024 - 15:09
Best Practice
… Hydrogen Flames Hydrogen is flammable at concentrations between 4% and 75% in … is a very wide range compared to other common fuels (see Hydrogen Compared to Other Fuels ). The hydrogen concentration could easily reach the lower …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… Two key aspects of hydrogen safety are (1) incorporating data and analysis from … of Energy (DOE) is sponsoring to address these aspects of hydrogen safety. For the first, DOE is working with the … scientific basis for requirements that are incorporated in hydrogen codes and standards. The high priority RD&D needs …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… to address this problem (cover installation, gas and liquid phase oxidation, activated carbon/permanganate … (> 99.5%2 of the unit, the addition of FeCl(3) in the liquid phase was required in order to achieve complete …
Last Updated Tue, 06/25/2024 - 01:14
Best Practice
… Coming Fall of 2024 - Hydrogen Blending … Hydrogen Blending …
Last Updated Thu, 06/22/2023 - 20:52
Fuel Cell Codes and Standards
… and maintenance, and for certification of Gaseous Hydrogen Storage Systems (GHSS) in general aviation. This … defines guidelines for safe refueling operation of gaseous hydrogen for aircraft. This document does not address airport … in progress; initiated July 2021 … SAE AS 7373 Gaseous Hydrogen for Storage for General Aviation …
Last Updated Thu, 01/12/2023 - 21:30
Fuel Cell Codes and Standards
… and requirements for the filter, 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 Thu, 01/12/2023 - 21:29
Fuel Cell Codes and Standards
… and requirements for the fittings, compressed gaseous hydrogen (CGH 2 ) and hydrogen/natural gas blend fuel system components intended … CGH 2 in accordance with ISO 14687-1 or ISO 14687-2 and hydrogen/natural gas blend using natural gas in accordance …
Last Updated Fri, 06/07/2024 - 00:04
Data Page
… Contains information on the lengths of hydrogen pipeline in the U.S., Europe, and the rest of the world by location and ownership. … Hydrogen Pipelines …
Last Updated Thu, 08/10/2023 - 19:19
Fuel Cell Codes and Standards
… Hydrogen storage systems based on reversible metal hydride … CGA H-2 Guidelines for the Classification and Labeling of Hydrogen Storage Systems with Hydrogen Absorbed in Reversible Metal Hydrides …
Last Updated Tue, 03/29/2022 - 19:22
Best Practice
… Purging To avoid creating an explosive mixture of air and hydrogen inside any part of a hydrogen system, the air, … typically nitrogen for hydrogen gas systems and helium for liquid hydrogen systems. Helium is used because at liquid hydrogen temperatures nitrogen becomes a solid. There …
Last Updated Wed, 02/24/2021 - 18:51
Fuel Cell Codes and Standards
… · — PEM fuel cell catalyst and fuel cell tolerance to hydrogen fuel impurities; · — effects/mechanisms of … respectively. These aim to facilitate the provision of hydrogen of reliable quality balanced with acceptable lower cost for the hydrogen fuel supply. This document reflects the state of the …
Last Updated Fri, 01/19/2024 - 17:38
Fuel Cell Codes and Standards
… standard. Specifies the minimum quality characteristics of hydrogen fuel for utilization vehicular and stationary … from a technical, safety and commercial perspective for hydrogen systems in Australia (similar to AS 4564:2020. … or www.techstreet.com/ … AS ISO 14687:2020 Hydrogen fuel quality – Product specification …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… (JSNS) driven by a 1-MW proton beam selected supercritical hydrogen at a temperature of 20 K and a pressure of 1.5 MPa … material. Moderators are controlled by a cryogenic hydrogen system that has a hydrogen relief system, which consists of high and low …
