Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… applied for gases of different densities, including hydrogen. The system of simplified Navier-Stocks equations … experiments on evaporation and dispersion of spilled liquid hydrogen and released gaseous hydrogen at different … of the complex form generated by large-scale spillage of liquid hydrogen and instant release of gaseous hydrogen has …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… on developing an alternative technology for storage of hydrogen or natural gas on light-duty vehicles. This … cryogenic-capable pressure vessels that can accept either liquid fuel or ambient-temperature compressed fuel. Insulated … pressure vessels offer the advantages of cryogenic liquid fuel tanks (low weight and volume), with reduced …
Last Updated Thu, 02/09/2023 - 20:22
Fuel Cell Codes and Standards
… Compressed gas Association to provide uniform values of liquid and gas density for atmospheric gases and hydrogen for the benefit of suppliers and users of these … … CGA P-6 Standard Density Data, Atmospheric Gases and Hydrogen …
Last Updated Wed, 06/19/2024 - 06:53
Best Practice
… Hydrogen Explosions Hydrogen released in sufficient … Overpressure from Unignited Releases When any cryogenic liquid is warmed and vaporizes into a gaseous state, it occupies significantly more space. Liquid hydrogen expands to about 850 times from liquid to gas …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… Leading physical and materials-based hydrogen storage options are evaluated for their potential to … problems of dormancy and hydrogen loss with conventional liquid H-2 storage can be mitigated by deploying … intensive. We have evaluated the option of using organic liquid carriers, such as n-ethylcarbazole, which can be …
Last Updated Fri, 02/28/2020 - 21:37
Bibliography Entry
… (LANL). This project sought to develop and demonstrate a hydrogen fueling station for vehicles. Such stations are an … infrastructural element in the practical application of hydrogen as vehicle fuel, and a number of issues such as … engine or fuel cell, or whether the vehicle has a liquid or gaseous fuel tank, the fueling station is a …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… and evaluate safety issues associated with the use of hydrogen as a vehicle fuel in automobiles. Several forms of hydrogen have been considered: gas, liquid, slush, and hydrides. The safety issues have been …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… The project 'Towards a Hydrogen Refueling Infrastructure for Vehicles' (THRIVE) … The HRS is based on delivery and on-site storage of liquid hydrogen and dispensing of high pressure gaseous … were in the modeling of release and dispersion of liquid hydrogen. Definition of initial conditions for …
Last Updated Fri, 05/24/2024 - 23:46
Bibliography Entry
… Design of hydrogen fueling components is critical for safety and … the durability of the equipment and on the resistance to hydrogen) and be easy to machine. Air Liquide has developed a … art. Studies on the susceptibility of various steels to hydrogen embrittlement have been done. Test specimens were …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… reader is invited to follow the student's investigation of hydrogen as an automotive fuel. Hydrogen cannot be considered as an internal combustion fuel … for hydrogen, with the onboard fuel stored as a cryogenic liquid. … AN INVESTIGATION OF HYDROGEN AS AN …
Last Updated Thu, 05/09/2024 - 00:01
FAQ
… The end use of hydrogen usually drives the cleaning for initial … Practice for Oxygen Cleaning of Valves & Fittings. For liquid hydrogen systems, the additional concern is with removing all substances that will be solid at liquid hydrogen temperatures. That includes all gases except …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… We present three nuclear/hydrogen-related R&D activities being performed at KAIST: … the Neumann model based on the NRTL (Non-Random Two-Liquid) model. The improved Neumann model predicted a total … from the data and 2.5%2mean relative deviation, and liquid-liquid-separation with 9.52%2maximum relative …
Last Updated Thu, 05/09/2024 - 00:08
FAQ
… the end use application. There are a variety of grades of hydrogen that can be purchased. The H2 purity will also vary … production method. CGA G-5.3, Commodity Specification for Hydrogen, lists several typical purities of both liquid and gaseous hydrogen. Standard GH2 available from most …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… that is not helium and nitrogen based, but one based on hydrogen, is proposed to make full use of the recent MgB2 superconductor around 20 K. A hydrogen cooling system is more effective than the nitrogen … cooling for usual high T-c superconductors around 70 K. Liquid hydrogen is also excellent as refrigerant for high T-c …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… Work under the Hydrogen Agreement of the International Energy Agency on … within the main areas of the program are summarized: hydrogen storage in metal hydrides and in liquid form, hydrogen as a fuel for ground transportation …
Last Updated Tue, 06/27/2023 - 21:38
Fuel Cell Codes and Standards
… cryogenic reciprocating pumps and pump installations for hydrogen and LNG service. The information contained in this … • Cryogenic reciprocating pumps and installations for liquid oxygen, argon, and nitrogen, which are covered in CGA … for Oxygen, Argon, and Nitrogen; • Centrifugal liquid oxygen pumps, which are covered in CGA G-4.7, …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… system to prevent losses of isotopically enriched hydrogen gas has been developed for the operation of a liquid target (2.7 1) used by the Radiative Muon Capture … needed for a palladium purifier) together with the usual hydrogen safety requirements were satisfied with a metal …
Last Updated Wed, 04/07/2021 - 20:50
Fuel Cell Codes and Standards
… code is to establish the installation requirements for hydrogen generating equipment, hydrogen utilizing equipment, hydrogen dispensing equipment, … or natural gas reforming or delivered by truck in a liquid or gaseous form. It also provides guidelines for the …
Last Updated Fri, 01/19/2024 - 17:39
Fuel Cell Codes and Standards
… Provides those unfamiliar with the technology for hydrogen energy applications a basis on which to understand … that derive their utility from the chemical reactions of hydrogen and does not apply to applications based on nuclear … installed or operated in Australia. It applies to both liquid and gaseous hydrogen and provides peer reviewed …
Last Updated Sat, 11/04/2017 - 04:27
Bibliography Entry
… system should be chosen. The effect of the low density liquid hydrogen on the ship design is demonstrated by comparing two … LNG and crude oil tankers. The comparison illustrates that hydrogen transport is less efficient than LNG and crude oil …
