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Condensed Phase Explosions Involving Liquid Hydrogen
Sep 2021
Publication
Liquid hydrogen may have an important role in the storage and transportation of hydrogen energy. It may also provide the best option for some users of hydrogen energy notably the aviation sector. In the 1960’s liquid hydrogen spillages in open uncongested conditions sometimes produced violent condensed phase explosions as well as the familiar gas phase flash and sustained pool fire. Testing showed that burning mixtures of LH2 and solid oxygen/nitr Read More
Everything About Hydrogen Podcast: Commercial Trucking at the Speed of Hydrogen
Jun 2021
Publication
The transportation and mobility sector is vast complex unwieldy and most excitingly an obvious area of focus for hydrogen fuel cell technology applications. Hydrogen FCEVs allow vehicles to run in a wide range of environments with zero tailpipe emissions and can do so without the need for extremely heavy battery cells and can be refueled in the same amount of time as a modern ICE vehicle. This makes hydrogen FCEVs an ideal fit for the heavy com Read More
Green Hydrogen Production for Oil Refining - Finnish Case
Jan 2023
Publication
This study investigates the production of green hydrogen for use in oil refining as specified in the draft of European union delegated act published in May 2022. The European union plans to set strict requirements of additionality and reporting regarding the criteria of renewable electricity used in hydrogen production. Alkaline electrolyzer proton exchange membrane electrolyzer and solid oxide electrolyzer are evaluated in various scenarios supplied Read More
Review of the Liquid Hydrogen Storage Tank and Insulation System for the High-Power Locomotive
Jun 2022
Publication
Hydrogen has been attracting attention as a fuel in the transportation sector to achieve carbon neutrality. Hydrogen storage in liquid form is preferred in locomotives ships drones and aircraft because these require high power but have limited space. However liquid hydrogen must be in a cryogenic state wherein thermal insulation is a core problem. Inner materials including glass bubbles multi-layer insulation (MLI) high vacuum and vapor-cooled sh Read More
State-of-the-art Expansion Planning of Integrated Power, Natural Gas, and Hydrogen Systems
Apr 2022
Publication
Renewable hydrogen is considered key in the transition towards a carbon-neutral future. This is due to its spatio-temporal storage and sector coupling potential which has seen it referred to as energy vector. However many unresolved issues remain regarding hydrogen's large-scale deployment e.g. least-cost production optimal facility siting and overall implications on power and energy systems. Expansion planning provides an option to study these Read More
Everything About Hydrogen Podcast: Greening the Maritime Transport Sector
Nov 2021
Publication
We have been talking about the difficulties of decarbonizing the maritime sector since the beginning of the Everything About Hydrogen podcast. For this episode we finally bring on the experts who are looking to make the changes in maritime and marine operations a reality for a zero-carbon shipping future. The EAH Team sits down with Tomas Tronstad Head of Shipping and Technology for the New Energy Division at Wilhelmsen Group. Founded in Nor Read More
Hydrogen-assisted Fatigue Crack Growth: Pre-charging vs In-situ Testing in Gaseous Environments
Mar 2023
Publication
We investigate the implications of conducting hydrogen-assisted fatigue crack growth experiments in a hydrogen gas environment (in-situ hydrogen charging) or in air (following exposure to hydrogen gas). The study is conducted on welded 42CrMo4 steel a primary candidate for the future hydrogen transport infrastructure allowing us to additionally gain insight into the differences in behavior between the base steel and the coarse grain heat af Read More
Total Cost of Ownership and Its Potential Consequences for the Development of the Hydrogen Fuel Cell Powered Vehicle Market in Poland
Apr 2021
Publication
Electromobility is a growing technology for land transport constituting an important element of the concept of sustainable economic development. The article presents selected research results concerning one of the segments of this market-vehicles powered by hydrogen fuel cells. The subject of the research was to gain extensive knowledge on the economic factors influencing the future purchasing decisions of the demand side in relation to this category of Read More
Everything About Hydrogen Podcast: Hydrogen News Roundup and Hydrogen Q&A
Jun 2020
Publication
This week on the show the team take a pause to review the current state of hydrogen and fuel cell affairs globally whilst taking time to go over all the excellent questions that our listeners have kindly shared with us over the last few months. We cover carbon capture the green new deal synthetic fuels hydrogenspiders green hydrogen in Australia and many more themes this week so don’t miss this episode!The podcast can be found on their website
Everything About Hydrogen Podcast: Back to a Hydrogen Future?
Mar 2020
Publication
On this weeks episode the team are talking all things hydrogen with Mark Neller Director at Arup. On the show we discuss the UK’s Hydrogen4Heat program where Arup has been leading the UK government’s work on the safety and practical considerations that are necessary to examine whether hydrogen could be a serious solutions for decarbonising UK residential commercial and industry heat. We also discuss the Nikola Badger the need for system wide Read More
Role of Grain Boundaries in Hydrogen Embrittlement of Alloy 725: Single and Bi-crystal Microcantilever Bending Study
Jan 2022
Publication
In situ electrochemical microcantilever bending tests were conducted in this study to investigate the role of grain boundaries (GBs) in hydrogen embrittlement (HE) of Alloy 725. Specimens were prepared under three different heat treatment conditions and denoted as solution-annealed (SA) aged (AG) and over-aged (OA) samples. For single-crystal beams in an H-containing environment all three heat-treated samples exhibited crack formation an Read More
Design and Analysis of a New Renewable-Nuclear Hybrid Energy System for Production of Hydrogen, Fresh Water and Power
Nov 2021
Publication
This paper investigates an integrated system where solar energy system (with 75MWp bifacial PV arrays) and nuclear power plant (with 2×10MWt HTR-10 type pebble bed reactors) are hybridized and integrated with a 72MWe capacity high-temperature solid oxide electrolysis (SOE) unit to produce hydrogen fresh water and electrical power. Bifacial PV plant is integrated to system for supplying electricity with a low LCOE and zero-carbon system. A Ran Read More
f HyDeploy: Demonstrating Non-destructive Carbon Savings Through Hydrogen Blending
Aug 2021
Publication
The project has successfully developed the safety case and delivered a hydrogen blend via the gas network into customers’ homes. The demonstration of safety for the specific network was based on robust evidence and clear operational procedures. Alongside the enabling safety case the HyDeploy project has demonstrated the first steps of hydrogen deployment are safe technically feasible and non-disruptive both for the network and domestic users.Th Read More
Everything About Hydrogen Podcast: Hydrogen from Waste
Mar 2021
Publication
On this episode of EAH the team is joined by Tim Yeo Chairman of Powerhouse Energy to talk about the work they are doing in the waste-to-energy space and how they see the sector evolving in the coming years.The podcast can be found on their website
Green Hydrogen Production Via Electrochemical Conversion of Components from Alkaline Carbohydrate Degradation
Nov 2021
Publication
Water electrolysis is a promising approach for the sustainable production of hydrogen however the unfavorable thermodynamics and sluggish kinetics of oxygen evolution reaction (OER) are associated with high anodic potentials. To lower the required potentials an effective strategy is proposed to substitute OER with partial oxidation of degradation products of carbohydrate origin from the waste stream of a chemical pulping industry. In this work two d Read More
HydroGenerally - Episode 2: Where Should Hydrogen Be Used?
Apr 2022
Publication
The Innovate UK KTN Hydrogen Innovation Network is bringing you this second episode with Steffan Eldred and Simon Buckley from Innovate UK KTN who continue their ‘back to basics' approach and delve deeper to understand where hydrogen should be used with their special guest Joanna Richart Head of Hydrogen Business at Ricardo. As with any technology or fuel discussions can get carried away implying they are the solution to all things but at In Read More
Modeling the Effects of Implementation of Alternative Ways of Vehicle Powering
Nov 2021
Publication
The trend to replace traditional fossil fuel vehicles is becoming increasingly apparent. The replacement concerns the use of pure biofuels or in blends with traditional fuels the use of hydrogen as an alternative fuel and above all the introduction of electric propulsion. The introduction of new types of vehicle propulsion affects the demand for specific fuels the needs for new infrastructure or the nature of the emissions to the environment generated by f Read More
Development of Analysis Program for Direct Containment Heating
Feb 2022
Publication
Direct containment heating (DCH) is one of the potential factors leading to early containment failure. DCH is closely related to safety analysis and containment performance evaluation of nuclear power plants. In this study a DCH prediction program was developed to analyze the DCH loads of containment vessel. The phenomenological model of debris dispersal metal oxidation reaction debris-atmospheric heat transfer and hydrogen jet Read More
Everything About Hydrogen Podcast: Masters of Scale: The World of SOFC & SOE Technologies
Oct 2020
Publication
On this week's episode the EAH team catches up with Mark Selby Chief Technology Officer at Ceres Power to dive into the world of solid oxide fuel cell (SOFC) and solid oxide electrolyzer (SOE) technologies. Ceres Power specializes in the design of SOFCs for applications in a diverse range of energy intensive sectors. Mark takes the time in this episode to walk the team through the details advantages and challenges of deploying SOFCs and low-carbon hydrogen Read More
Evaluation of Selectivity and Resistance to Poisons of Commercial Hydrogen Sensors
Sep 2013
Publication
The development of reliable hydrogen sensors is crucial for the safe use of hydrogen. One of the main concerns of end-users is sensor reliability in the presence of species other than the target gas which can lead to false alarms or undetected harmful situations. In order to assess the selectivity of commercial of the shelf (COTS) hydrogen sensors a number of sensors of different technology types were exposed to various interferent gas spec Read More
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