Last Updated Fri, 05/24/2024 - 23:45
Bibliography Entry
… Of particular interest is how these definitions affect hydrogen technologies. This manuscript has its roots in … combustion science and examines how the unique behavior of hydrogen in many circumstances motivates a closer look at … supporting definitions, and to overly restrictive RCS for hydrogen applications. We will then suggest internally …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… Act were revised to establish the requirements for 35 MPa hydrogen stations. And in 2012-2014, revisions were made to … Act to provide the regulatory requirements for 70 MPa hydrogen stations. We conducted a study on materials that may … affect the costs, from the point of view of promoting the hydrogen infrastructure. … 1085 … Update on Regulation Review …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… Proper management of hydrogen gas is extremely important for the safety security of nuclear power plants. Hydrogen removal by the water formation reaction on a catalyst is one of the candidates for creating hydrogen safety system. We observed in situ and …
Last Updated Fri, 10/04/2024 - 18:41
Fuel Cell Codes and Standards
… use. The document applies only to compressed gaseous hydrogen-fuelled fuel cell power systems. The document does …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… of the Codes and Standards required to initially deploy hydrogen technologies infrastructure in the US have been … will be field tested through their application to actual hydrogen technologies projects. CCSI is process of … paper will discuss code issues that have surfaced through hydrogen technologies infrastructure project deployment and …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… The Hydrogen Safety Panel brings a broad cross-section of … (DOE) Fuel Cell Technologies Office through its work in hydrogen safety, codes and standards. The Panel?s initiatives … Panel?s recent work has focused on the safe deployment of hydrogen and fuel cell systems in support of DOE efforts to …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… has been applied to simulate the very recent liquefied hydrogen spill experiments performed by the Health Safety … direction, height and duration. In the modeling, the hydrogen source was treated as a two phase jet, enabling … modeling of pool formation, spreading as well as hydrogen vapor dispersion. Turbulence was modeled with the …
Last Updated Tue, 05/14/2024 - 23:09
FAQ
… The Hydrogen Safety Panel is not aware of any detailed guidelines … consideration when working fuel cell systems equipped with hydrogen storage tanks and related hydrogen piping systems. In general, the pressurized gaseous …
Last Updated Thu, 11/07/2024 - 20:21
Best Practice
… Outdoor hydrogen fueling stations started to appear in select U.S. markets in the 1990s to provide fuel for fleets of hydrogen-powered cars and buses involved in demonstration … replacing battery-powered industrial trucks with hydrogen-powered ones. By 2020, there were more than 50,000 …
Last Updated Tue, 05/14/2024 - 00:43
FAQ
… the best practice is to use a dedicated vent line for hydrogen which vents hydrogen to a safe location outside. This is especially …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… of computational fluid dynamic models of compressed hydrogen gas leaksinto the air under different conditions to determine the volume of the hydrogen/air mixture and the extents ofthe lower flammable … classification distances in existingstandards for hydrogen and compressed natural gas were examined but they do …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… The H2Fuel Bus is the world`s first hybrid hydrogen electric transit bus. It was developed through a … on the technical readiness and economic viability of hydrogen buses and to enhance the public awareness and acceptance of emerging hydrogen technologies. The bus has been operated by the …
Last Updated Wed, 05/08/2024 - 23:22
FAQ
… has been done for mine explosions in the U.S. For a hydrogen-air mixture inside an enclosure, it is theoretically … maximum blast pressure, and/or extinguishing the flame for hydrogen or mixtures containing hydrogen). However, the HSP is not aware of any such system …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… network based Adaptive Neuro-Fuzzy Inference Systems for hydrogen flow rate, electrolyzer system-efficiency and … is argued that, due to the high costs associated with the hydrogen measuring equipment; these reliable predictive … can also be used on-line for monitoring and safety of hydrogen equipment. The quantitative accuracy of the …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… Type IV pressure vessels are commonly used for hydrogen on-board, stationary or bulk storages. When pressurized, hydrogen permeates through the materials and solves into … presents the methodology followed, using permeation tests, hydrogen decompression tests on samples, and gas diffusion …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… In the prospect of a safe use of hydrogen in our society, one important task is to evaluate under which conditions the storage of hydrogen systems can reach a sufficient level of safety. One … in the following scenario: a relatively slow release of hydrogen (around 5Nl/min) in a closed and almost cubic box, …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… An increase in the number of hydrogen fueled applications in the marketplace will require … and explosion associated with the unintended release of hydrogen within a structure. Predicting the temporally evolving hydrogen concentration in a structure, with unknown release …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… accidental conditions of systems of transport compressed hydrogen. Particularly have been considered gaseous tube … future, if confirmed projects around the employment of hydrogen as possible source energetic alternative, could … important. The general increase of the consumptions of hydrogen and the consequently probable increase of the …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… With the development of the hydrogen economy, it requires a better understanding of the … and explosions associated with the unintended release of hydrogen within a partially confined space. In order to mitigate the hydrogen fire and explosion risks effectively, accurate …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… A novel micro-safety valve for portable hydrogen fuel cells has been designed, fabricated and … This device is intended to prevent over-pressure on the hydrogen side of the fuel cell. A careful study of its … and parylene films) has been investigated using hydrogen gas. The experimental results show that small …
