United Kingdom
The Impact of Hydrogen on Decarbonisation and Resilience in Integrated Energy Systems
Nov 2024
Publication
The lack of clarity and uncertainty about hydrogen’s role demand applications and economics has been a barrier to the development of the hydrogen economy. In this paper an optimisation model for the integrated planning and operation of hydrogen and electricity systems is presented to identify the role of hydrogen technologies and linepack in decarbonising energy systems improving system flexibility and enhancing energy system security and re Read More
Nanoporous Polymer-based Composites for Enhanced Hydrogen Storage
May 2019
Publication
The exploration and evaluation of new composites possessing both processability and enhanced hydrogen storage capacity are of signifcant interest for onboard hydrogen storage systems and fuel cell based electric vehicle development. Here we demonstrate the fabrication of composite membranes with sufcient mechanical properties for enhanced hydrogen storage that are based on a polymer of intrinsic microporosity (PIM-1) matrix containing n Read More
Impact of Capillary Pressure Hysteresis and Injection-withdrawal Scehemes on Performance of Underground Hydrogen Storage
Oct 2023
Publication
Underground hydrogen storage in depleted hydrocarbon reservoirs and aquifers has been proposed as a potential long-term solution to storing intermittently produced renewable electricity as the subsurface formations provide secure and large storage space. Various phenomena can lead to hydrogen loss in subsurface systems with the key cause being the trapping especially during the withdrawal cycle. Capillary trapping in particular is strongly related Read More
Trapping, Hysteresis and Ostwald Ripening in Hydrogen Storage: A Pore-scale Imaging Study
Jan 2024
Publication
Green hydrogen produced from surplus electricity during peak production can be injected into subsurface reservoirs and retrieved during high-demand periods. In this study X-ray tomography was employed to examine hysteresis resulting from repeated hydrogen injection and withdrawal. An unsteady state experiment was performed to evaluate the distribution of hydrogen and brine after drainage and imbibition cycles: images of the pore-space confi Read More
Secure Hydrogen Production Analysis and Prediction Based on Blockchain Service Framework for Intelligent Power Management System
Nov 2023
Publication
The rapid adoption of hydrogen as an eco-friendly energy source has necessitated the development of intelligent power management systems capable of efficiently utilizing hydrogen resources. However guaranteeing the security and integrity of hydrogen-related data has become a significant challenge. This paper proposes a pioneering approach to ensure secure hydrogen data analysis by integrating blockchain technology enhancing trust transparenc Read More
A Critical Analysis of Morocco’s Green Hydrogen Roadmap: A Modelling Approach to Assess Country Readiness from the Energy Trilemma Perspective
Apr 2024
Publication
Morocco despite its heavy reliance on imported fossil fuels which made up 68% of electricity generation in 2020 has recognised its significant renewable energy potential. The Nationally Determined Contribution (NDC) commitment is to reduce emissions by 45.5% from baseline levels with international assistance and abstain from constructing new coal plants. Moreover the Green Hydrogen Roadmap aims to export 10 TWh of green hydrogen by Read More
Geomechanics of Hydrogen Storage in a Depleted Gas Field
Feb 2024
Publication
We perform a simulation study of hydrogen injection in a depleted gas reservoir to assess the geomechanical impact of hydrogen storage relative to other commonly injected gases (methane CO2). A key finding is that the differences in hydrogen density compressibility viscosity and thermal properties compared to the other gases result in significantly less thermal perturbation at reservoir level. The risks of fault reactivation and wellbore fractures due to th Read More
Conceptual Design of an Offshore Hydrogen Platform
Feb 2024
Publication
Offshore green hydrogen emerges as a guiding light in the global pursuit of environmental sustainability and net-zero objectives. The burgeoning expansion of offshore wind power faces significant challenges in grid integration. This avenue towards generating offshore green hydrogen capitalises on its ecological advantages and substantial energy potential to efficiently channel offshore wind power for onshore energy demands. However a substantial resea Read More
Simulations of Blast Wave and Fireball Occurring due to Rupture oj High-Pressure Hydrogen Tank
Jun 2017
Publication
In the present study pilot simulations of the phenomena of blast wave and fireball generated by the rupture of a high-pressure (35 MPa) hydrogen tank (volume 72 L) due to fire were carried out. The computational fluid dynamics (CFD) model includes the realizable k-ε model for turbulence and the eddy dissipation model coupled with the one-step chemical reaction mechanism for combustion. The simulation results were compared with experimen Read More
Modelling the Innovation-decision Process for Hydrogen Homes: An Integrated Model of Consumer Acceptance and Adoption Intention
Nov 2024
Publication
As the global energy transition progresses a range of drivers and barriers will continue to shape consumer attitudes and behavioural intentions towards emerging low-carbon technologies. The innovation-decision process for technologies composing the residential sector such as hydrogen-fuelled heating and cooking appliances is inherently governed by the complex interplay between perceptual cognitive and emotional factors. In response this study re Read More
Decarbonising International Shipping - A Life Cycle Perspective on Alternative Fuel Options
Nov 2023
Publication
This study aimed to compare hydrogen ammonia methanol and waste-derived biofuels as shipping fuels using life cycle assessment to establish what potential they have to contribute to the shipping industry’s 100% greenhouse gas emission reduction target. A novel approach was taken where the greenhouse gas emissions associated with one year of global shipping fleet operations was used as a common unit for comparison therefore allow Read More
Green Hydrogen Production by Water Electrolysis: Current Status and Challenges
Apr 2024
Publication
The scientific and industrial communities worldwide have recently achieved impressive technical advances in developing innovative electrocatalysts and electrolysers for water and seawater splitting. The viability of water electrolysis for commercial applications however remains elusive and the key barriers are durability cost performance materials manufacturing and system simplicity especially with regard to running on practical water sources like seawa Read More
Critical Challenges in Biohydrogen Production Processes from the Organic Feedstocks
Aug 2020
Publication
The ever-increasing world energy demand drives the need for new and sustainable renewable fuel to mitigate problems associated with greenhouse gas emissions such as climate change. This helps in the development toward decarbonisation. Thus in recent years hydrogen has been seen as a promising candidate in global renewable energy agendas where the production of biohydrogen gains more attention compared with fossil-based hydrogen. I Read More
Local and Global Sensitivity Analysis for Railway Upgrading Between Hydrogen Fuel Cell and Electrification
Nov 2024
Publication
In the field of rail transit the UK Department of Transport stated that it will realize a comprehensive transformation of UK railways by 2050 abandoning traditional diesel trains and upgrading them to new environmentally friendly trains. The current mainstream upgrade methods are electrification and hydrogen fuel cells. Comprehensive upgrades are costly and choosing the optimal upgrade method for trams and mainline railways is critical. Wit Read More
Preliminary Assessment of a Hydrogen Farm Including Health and Safety and Capacity Needs
Dec 2024
Publication
The safety engineering design of hydrogen systems and infrastructure worker education and training regulatory compliance and engagement with other stakeholders are significant to the viability and public acceptance of hydrogen farms. The only way to ensure these are accomplished is for the field of hydrogen safety engineering (HSE) to grow and mature. HSE is described as the application of engineering and scientific principles to protect the Read More
Hydrogen Strategy Update to the Market: December 2024
Dec 2024
Publication
Low carbon hydrogen is essential to achieve the Government’s Clean Energy Superpower and Growth Missions. It will be a crucial enabler of a low carbon and renewables-based energy system and will help to deliver new clean energy industries which can support good jobs in our industrial heartlands and coastal communities. Hydrogen presents significant growth and economic opportunities across the UK by enhancing our energy security providing flexible Read More
The UK Hydrogen Innovation Opportunity: Techno-economic Methodology
Apr 2024
Publication
This report outlines the methods and assumptions used in the hydrogen technology market analysis. The results of the analysis are presented in The UK Hydrogen Innovation Opportunity and the supporting report Hydrogen technology roadmaps. They include forecasts for the following market data: ○ Global hydrogen economy The overall size of the global hydrogen economy in 2023 2030 and 2050.○ Global and UK hydrogen technology market by tec Read More
Towards a Resilience Evaluation Framework for Hydrogen Supply Chains: A Systematic Literature Review and Future Research Agenda
Dec 2024
Publication
Hydrogen energy is crucial for achieving net zero targets making the resilience of hydrogen supply chains (HSCs) increasingly important. Understanding current research on HSC resilience is key to enhancing it. Few studies summarise HSC resilience evaluation methods and link them to the general supply chain resilience and complex adaptive system (CAS) evaluation approaches. This study addresses this gap by systematically reviewing the literatur Read More
Reviewing Sector Coupling in Offshore Energy System Integration Modelling: The North Sea Context
Dec 2024
Publication
Offshore energy system integration is particularly important for realising a rapid and cost-effective low-carbon energy transition in the North Sea region. Effective implementation of strategies that require collaboration be tween countries developers and operators must be underpinned by robust and comprehensive modelling results. Intra-system interactions and diversity of sectors needed to facilitate the energy transition must be adequately Read More
Thermodynamic and Transport Properties of Hydrogen Containing Streams
Jul 2020
Publication
he use of hydrogen (H2) as a substitute for fossil fuel which accounts for the majority of the world’s energy is environmentally the most benign option for the reduction of CO2 emissions. his will require gigawatt-scale storage systems and as such H2 storage in porous rocks in the subsurface will be required. ccurate estimation of the thermodynamic and transport properties of H2 mixed with other gases found within the storage system is therefore essential for Read More
The UK Hydrogen Innovation Opportunity: Hydrogen Technology Roadmaps
Apr 2024
Publication
This report lays out roadmaps for the nine technology families identified in the UK Hydrogen Innovation Opportunity. The content in these roadmaps has been developed through a combination of extensive industrial engagement and aggregation of existing sector and technology roadmaps. This document also signposts to reports that highlight innovation challenges and opportunities for two underpinning technology families - materials and digital. The tec Read More
Recent Advances in Combustion Science Related to Hydrogen Safety
Dec 2024
Publication
Hydrogen is a key pillar in the global Net Zero strategy. Rapid scaling up of hydrogen production transport distribution and utilization is expected. This entails that hydrogen which is traditionally an industrial gas will come into proximity of populated urban areas and in some situations handled by the untrained public. To realize all their benefits hydrogen and its technologies must be safely developed and deployed. The specific properties of hydrogen invol Read More
Cost Modelling-based Route Applicablity Analysis of United Kingdom Pasenger Railway Decarbonization Options
Jun 2024
Publication
The UK government plans to phase out pure diesel trains by 2040 and fully decarbonize railways by 2050. Hydrogen fuel cell (HFC) trains electrified trains using pantographs (Electrified Trains) and battery electric multiple unit (BEMU) trains are considered the main solutions for decarbonizing railways. However the range of these decarbonization options’ line upgrade cost advantages is unclear. This paper analyzes the upgrade costs of three types of train Read More
Integration of Renewable Energy Sources in Tandem with Electrolysis: A Technology Review for Green Hydrogen Production
Jun 2024
Publication
The global shift toward sustainable energy solutions emphasises the urgent need to harness renewable sources for green hydrogen production presenting a critical opportunity in the transition to a low-carbon economy. Despite its potential integrating renewable energy with electrolysis to produce green hydrogen faces significant technological and economic challenges particularly in achieving high efficiency and cost-effectiveness at scale. This review syste Read More
A Parametric Study on In-situ Hydrogen Production from Hydrocarbon Reservoirs - Effect of Reservoir and Well Properties
Jul 2024
Publication
Energy transition is a key driver to combat climate change and achieve zero carbon future. Sustainable and costeffective hydrogen production will provide valuable addition to the renewable energy mix and help minimize greenhouse gas emissions. This study investigates the performance of in-situ hydrogen production (IHP) process using a full-field compositional model as a precursor to experimental validation The reservoir model was simulated as on Read More
Assessing the Potential of Decarbonization Options for Industrial Sectors
Jan 2024
Publication
Industry emits around a quarter of global greenhouse gas (GHG) emissions. This paper presents the first comprehensive review to identify the main decarbonization options for this sector and their abatement potentials. First we identify the important GHG emitting processes and establish a global average baseline for their current emissions intensity and energy use. We then quantify the energy and emissions reduction potential of the most significan Read More
OIES Podcast - Key Energy Themes for 2024
Jan 2024
Publication
In this latest OIES podcast James Henderson talks to Bill Farren-Price the new Head of the Gas Programme about some of Key Themes identified by OIES research fellows for 2024. After a review of the outcomes from 2023 we look at the oil and gas markets and discuss a common theme around the contrast between the fundamental tightness in both markets compared with the relative softness of prices. We then move onto a number of energy transiti Read More
Technoeconomic, Environmental and Multi-criteria Decision Making Investigations for Optimisation of Off-grid Hybrid Renewable Energy System with Green Hydrogen Production
Jan 2024
Publication
The current study presents a comprehensive investigation of different energy system configurations for a remote village community in India with entirely renewable electricity. Excess electricity generated by the systems has been stored using two types of energy storage options: lithium-ion batteries and green hydrogen production through the electrolysers. The hybrid renewable energy system (HRES) configurations have been sized by minimising the lev Read More
Hydrogen Import and Export: Unlocking the UK's Hydrogen Trade Potential
May 2024
Publication
Hydrogen trade is an emerging area of interest for hydrogen developers end-users traders and governments around the world. It can enhance system flexibility energy security and clean growth enabling decarbonisation at a lower cost and faster pace. Thanks to its competitive advantage in existing ports terminals and interconnectors the UK is well placed to be the European trade hub for hydrogen and its carriers. With its access to world leading of Read More
The Cost of Clean Hydrogen from Offshore Wind and Electrolysis
Feb 2024
Publication
The decarbonization of industry heating and transportation is a major challenge for many countries’ energy transition. Hydrogen is a direct low-carbon fuel alternative to natural gas offering a higher flexibility in the range of possible applications yet currently most hydrogen is produced using carbonintensive steam methane reforming due to cost considerations. Therefore this study explores the economics of a prominent low-carbon method of hydroge Read More
CFD Simulations of Hydrogen Tank Fuelling: Sensitivity to Turbulence Model and Grid Resolution
Dec 2023
Publication
CFD modelling of compressed hydrogen fuelling provides information on the hydrogen and tank structure temperature dynamics required for onboard storage tank design and fuelling protocol development. This study compares five turbulence models to develop a strategy for costeffective CFD simulations of hydrogen fuelling while maintaining a simulation accuracy acceptable for engineering analysis: RANS models k-ε and RSM; hybrid models SAS and Read More
Flame Acceleration, Detonation Limit and Heat Loss for Hydrogen-Oxygen Mixture at Cryogenic Temperature of 77 K
Sep 2023
Publication
Experiments are performed in hydrogen-oxygen mixtures at the cryogenic temperature of 77 K with the equivalence ratio of 1.5 and 2.0. The optical fibers pressure sensors and the smoked foils are used to record the flame velocity overpressure evolution curve and detonation cells respectively. The 1st and 2nd shock waves are captured and they finally merge to form a stronger precursor shock wave prior to the onset of detonation. The cryogenic temper Read More
Life Cycle Assessment of an Autonomous Underwater Vehicle that Employs Hydrogen Fuel Cell
Aug 2023
Publication
In recent years there has been a significant increase in the adoption of autonomous vehicles for marine and submarine missions. The advancement of emerging imaging navigation and communication technologies has greatly expanded the range of operational capabilities and opportunities available. The ENDURUNS project is a European research endeavor focused on identifying strategies for achieving minimal environmental impact. To measure th Read More
Net Zero Fuel (Mixed Hydrogen and Biofuels) Cement Clinker: Characterisation, Microstructure, and Performance
Oct 2024
Publication
Over 35% of the CO2 associated with cement production comes from operational energy. The cement industry needs alternative fuels to meet its net zero emissions target. This study investigated the influence of hydrogen mixed with biofuels herein designated net zero fuel as an alternative to coal on the clinker quality and performance of cement produced in an industrial cement plant. Scanning electron microscopy X-ray diffraction and nuclear magnetic Read More
Whole System Impacts of Decarbonising Transport with Hydrogen: A Swedish Case Study
Oct 2024
Publication
This study aims to carry out a techno-economic analysis of different hydrogen supply chain designs coupled with the Swedish electricity system to study the inter-dependencies between them. Both the hydrogen supply chain designs and the electricity system were parameterized with data for 2030. The supply chain designs comprehend centralised production decentralised production a combination of both and with/without seasonal variation in hydrogen Read More
Design Considerations and Preliminary Hydrodynamic Analysis of an Offshore Decentralised Floating Wind-hydrogen System
Sep 2024
Publication
Despite the number of works on the techno-economics of offshore green hydrogen production there is a lack of research on the design of floating platforms to concomitantly support hydrogen production facilities and wind power generation equipment. Indeed previous studies on offshore decentralised configuration for hydrogen production implicitly assume that a floating platform designed for wind power generation (FOWT) can be also suitable Read More
Hydrogen UK Manifesto
Jul 2024
Publication
Hydrogen presents the UK with a substantial opportunity to drive economic growth and secure skilled jobs by leveraging our natural geological and geographical advantages robust supply chain and existing energy expertise. Hydrogen UK’s most recent Economic Impact Assessment estimates that the hydrogen sector in the UK could support approximately 30000 direct jobs and contribute more than £7 billion gross value added annually by 2030. Read More
Hydrogen UK Supply Chains Report Executive Summary 2023
Dec 2023
Publication
The strategic importance of hydrogen has gained significant recognition as nations across the world have committed to achieving net zero. Here in the UK there’s a widespread consensus that hydrogen is critical to achieving our net zero target. This commitment culminated in the launch of the UK’s first Hydrogen Strategy and has been reaffirmed by Chris Skidmore’s Independent Review of Net Zero. Both these documents highlight hydrogen’s imp Read More
Computational Predictions of Hydrogen-assisted Fatigue Crack Growth
May 2024
Publication
A new model is presented to predict hydrogen-assisted fatigue. The model combines a phase field description of fracture and fatigue stress-assisted hydrogen diffusion and a toughness degradation formulation with cyclic and hydrogen contributions. Hydrogen-assisted fatigue crack growth predictions exhibit an excellent agreement with experiments over all the scenarios considered spanning multiple load ratios H2 pressures and loading frequen Read More
Exploiting the Ocean Thermal Energy Conversion (OTEC) Technology for Green Hydrogen Production and Storage: Exergo-economic Analysis
Nov 2024
Publication
This study presents and analyses three plant configurations of the Ocean Thermal Energy Conversion (OTEC) technology. All the solutions are based on using the OTEC system to obtain hydrogen through an electrolyzer. The hydrogen is then compressed and stored. In the first and second layouts a Rankine cycle with ammonia and a mixture of water and ethanol is utilised respectively; in the third layout a Kalina cycle is considered. In each configuration the Read More
The Latest Voyage of Discovery - Quantifying the Consequences of LH2 Releases for the Marine Industry
Sep 2023
Publication
Following a desktop study undertaken in 2021 to identify hazard scenarios associated with the use of liquid and compressed hydrogen on commercial shipping Shell has started a programme of large-scale experiments on the consequences of a release of liquid hydrogen. This work will compliment on-going research Shell has sponsored within several joint industry projects but will also address immediate concerns that the maritime industry has for the Read More
The Economical Repurposing Pipeliness to Hydrogen - Why Performance Testing of Representative Line Pipes is Key?
Sep 2023
Publication
The introduction of hydrogen in natural gas pipeline systems introduces integrity challenges due to the nature of interactions between hydrogen and line pipe steel materials. However not every natural gas pipeline is equal in regards to the challenges potentially posed by the repurposing to hydrogen. Existing codes and practices penalise high-grade materials on the basis of a perceived higher susceptibility to hydrogen embrittlement in regards to their increas Read More
Advancing Hydrogen: A Closer Look at Implementation Factors, Current Status and Future Potential
Dec 2023
Publication
This review article provides a comprehensive analysis of the hydrogen landscape outlining the imperative for enhanced hydrogen production implementation and utilisation. It places the question of how to accelerate hydrogen adoption within the broader context of sustainable energy transitions and international commitments to reduce carbon emissions. It discusses influencing factors and policies for best practices in hydrogen energy application. Through Read More
Ignition and Flow Stopping Considerations for the Transmission of Hydrogen in the Existing Natural Gas Network
Sep 2023
Publication
This work formed part of the H21 programme whose objective is to reach the point whereby it is feasible to convert the existing natural gas (NG) distribution network to 100% hydrogen (H2) and provide a contribution to decarbonising the UK’s heat and power sectors with the focus on decarbonised fuel at point of use. Hydrogen has an ATEX Gas Group of IIC compared to IIA for natural gas which means further precautions are necessary to prevent the ignitio Read More
Explaining Varying Speeds of Low-carbon Reorientation in the United Kingdom's Steel, Petrochemical, and Oil Refining Industries: A Multi-dimensional Comparative Analysis and Outlook
Feb 2024
Publication
Accelerated decarbonisation of steelmaking oil refining and petrochemical industries is essential for climate change mitigation. Drawing on three longitudinal case studies of these industries in the UK this synthesis article makes a comparative analysis of their varying low-carbon reorientation speeds. The paper uses the triple embeddedness framework to analyse five factors (policy support international competition financial health technical feasibility corporate Read More
Optimizing Underground Hydrogen Storage in Aquifers: The Impact of Cushion Gas Type
Aug 2023
Publication
This study investigated the impact of cushion gas type and presence on the performance of underground hydrogen storage (UHS) in an offshore North Sea aquifer. Using numerical simulation the relationship between cushion gas type and UHS performance was comprehensively evaluated providing valuable insights for designing an efficient UHS project delivery. Results indicated that cushion gas type can significantly impact the process's recovery effici Read More
Numerical Simulations of the Critical Diameter and Flame Stability for the Hydrogen Jet Flames
Sep 2023
Publication
This study focuses on development of a CFD model able to simulate the experimentally observed critical nozzle diameter for hydrogen non-premixed flames. The critical diameter represents the minimum nozzle size through which a free jet flame will remain stable at all driving pressures. Hydrogen non-premixed flames will not blow-out at diameters equal to or greater than the critical diameter. Accurate simulation of this parameter is important for assess Read More
Sudden Releases of Hydrogen into a Tunnel
Sep 2023
Publication
This paper presents work undertaken by the HSE as part of the Hytunnel-CS project a consortium investigating safety considerations for fuel cell hydrogen (FCH) vehicles in tunnels and similar confined spaces. The sudden failure of a pressurised hydrogen vessel was identified as a scenario of concern due to the severity of the consequences associated with such an event. In order to investigate this scenario experimentally HSE designed a bespoke and reus Read More
Opportunities and Challenges of Hydrogen Ports: An Empirical Study in Australia and Japan
Jul 2024
Publication
This paper investigated the opportunities and challenges of integrating ports into hydrogen (H2 ) supply chains in the context of Australia and Japan because they are leading countries in the field and are potential leaders in the upcoming large-scale H2 trade. Qualitative interviews were conducted in the two countries to identify opportunities for H2 ports necessary infrastructure and facilities key factors for operations and challenges associated with the Read More
Emission Reduction and Cost-benefit Analysis of the Use of Ammonia and Green Hydrogen as Fuel for Marine Applications
Dec 2023
Publication
Increasingly stringent emission standards have led shippers and port operators to consider alternative energy sources which can reduce emissions while minimizing capital investment. It is essential to understand whether there is a certain economic investment gap for alternative energy. The present work mainly focuses on the simulation study of ships using ammonia and hydrogen fuels arriving at Guangzhou Port to investigate the emission advanta Read More
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