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Recent Combustion Strategies in Gas Turbines for Propulsion and Power Generation toward a Zero-Emissions Future: Fuels, Burners, and Combustion Techniques
Oct 2021
Publication
The effects of climate change and global warming are arising a new awareness on the impact of our daily life. Power generation for transportation and mobility as well as in industry is the main responsible for the greenhouse gas emissions. Indeed currently 80% of the energy is still produced by combustion of fossil fuels; thus great efforts need to be spent to make combustion greener and safer than in the past. For this reason a review of the most recen Read More
Numerical Simulations of Atmospheric Dispersion of Large-scale Liquid Hydrogen Releases
Sep 2021
Publication
Numerical simulations have been conducted for LH2 massive releases and the subsequent atmospheric dispersion using an in-house modified version of the open source computational fluid dynamics (CFD) code OpenFOAM. A conjugate heat transfer model has been added for heat transfer between the released LH2 and the ground. Appropriate interface boundary conditions are applied to ensure the continuities of temperature and he Read More
Stand-off Detection of Hydrogen Concentration
Sep 2021
Publication
The ability to remotely monitor hydrogen and map its concentration is a pressing challenge in large scale production and distribution as well as other sectors such as nuclear storage. We present a photonicsbased approach for the stand-off sensing and mapping of hydrogen concentration capable of detecting and locating <0.1% concentrations at 100m distance. The technique identifies the wavelength of light resulting from interaction with laser pulses via R Read More
Everything About Hydrogen Podcast: Show Me the Money!
Jul 2020
Publication
This week on the show the team catch up with Alena Fargere Principal at SWEN Capital Partners and a former special advisor to the World Energy Council on Hydrogen projects. As one of the few current project finance funds in Europe with a green gas mandate and a dedicated allocation for investing in hydrogen project finance SWEN Capital Partners provide an invaluable perspective on the challenges and opportunities for hydrogen project investment in E Read More
Biological Hydrogen Methanation Systems – An Overview of Design and Efficiency
Oct 2019
Publication
The rise in intermittent renewable electricity production presents a global requirement for energy storage. Biological hydrogen methanation (BHM) facilitates wind and solar energy through the storage of otherwise curtailed or constrained electricity in the form of the gaseous energy vector biomethane. Biological methanation in the circular economy involves the reaction of hydrogen – produced during electrolysis – with carbon dioxide in biogas to produce Read More
Everything About Hydrogen Podcast: Using Hydrogen to Decarbonise Steel Manufacturing
Mar 2022
Publication
Hydrogen could be used in many hard-to-decarbonize sectors. Foremost amongst them is the steel manufacturing industry. On this episode of EAH we speak with Dr. Martin Pei Executive Vice President and CTO of SSAB and the first Chairman of the Board for Hybrit Development AB. SSAB is a global steel company with a leading position in high-strength steels and related services. Together with their partners LKAB and Vattenfall SSAB are making a unique join Read More
Stand-Alone Microgrid with 100% Renewable Energy: A Case Study with Hybrid Solar PV-Battery-Hydrogen
Mar 2020
Publication
A 100% renewable energy-based stand-alone microgrid system can be developed by robust energy storage systems to stabilize the variable and intermittent renewable energy resources. Hydrogen as an energy carrier and energy storage medium has gained enormous interest globally in recent years. Its use in stand-alone or off-grid microgrids for both the urban and rural communities has commenced recently in some locations. Therefore this research e Read More
Multi-Criteria Comparative Analysis of Clean Hydrogen Production Scenarios
Aug 2020
Publication
Different hydrogen production scenarios need to be compared in regard to multiple and often distinct aspects. It is well known that hydrogen production technologies based on environmentally-friendly renewable energy sources have higher values of the economic indicators than methods based on fossil fuels. Therefore how should this decision criterion (environmental) prevail over the other types of decision criteria (technical and economic) to make a s Read More
Decarbonizing the German Industrial Thermal Energy Use with Solar, Hydrogen, and Other Options - Recommendations for the World
Nov 2022
Publication
This paper is based on a position paper of the German Industry Association Concentrated Solar Power e.V. to the German government and discusses options on how to decarbonize the heat demand of the domestic industry. Among other option concentration solar collectors are a suitable option in Germany which has not been expected by many experts. The paper derives requirements that are needed to ensure a quick and sustainable way to decarbonize i Read More
Seasonal Storage and Alternative Carriers: A Flexible Hydrogen Supply Chain Model
May 2017
Publication
A viable hydrogen infrastructure is one of the main challenges for fuel cells in mobile applications. Several studies have investigated the most cost-efficient hydrogen supply chain structure with a focus on hydrogen transportation. However supply chain models based on hydrogen produced by electrolysis require additional seasonal hydrogen storage capacity to close the gap between fluctuation in renewable generation from surplus electricity and fuelling s Read More
Energy Transition on Sifnos: An Approach to Economic and Social Transition and Development
Mar 2022
Publication
This article aims to present the potential of energy transition in insular systems for social and economic transition and development when planned and implemented appropriately with the active involvement of local communities. To this end the example of Sifnos Energy Community is examined and presented as a pilot case. It proves that energy transition apart from its obvious energy conservation and climate necessity can provide a strong c Read More
Review on the Safe Use of Ammonia Fuel Cells in the Maritime Industry
May 2021
Publication
In April 2018 the International Maritime Organisation adopted an ambitious plan to contribute to the global efforts to reduce the Greenhouse Gas emissions as set by the Paris Agreement by targeting a 50% reduction in shipping’s Green House Gas emissions by 2050 benchmarked to 2008 levels. To meet these challenging goals the maritime industry must introduce environmentally friendly fuels with negligible or low SOX NOX and CO2 emissions. Ammoni Read More
New Combustion Modelling Approach for Methane-Hydrogen Fueled Engines Using Machine Learning and Engine Virtualization
Oct 2021
Publication
The achievement of a carbon-free emissions economy is one of the main goals to reduce climate change and its negative effects. Scientists and technological improvements have followed this trend improving efficiency and reducing carbon and other compounds that foment climate change. Since the main contributor of these emissions is transportation detaching this sector from fossil fuels is a necessary step towards an environmentally friendl Read More
Decarbonizing Natural Gas: A Review of Catalytic Decomposition and Carbon Formation Mechanisms
Apr 2022
Publication
In the context of energy conservation and the reduction of CO2 emissions inconsistencies between the inevitable emission of CO2 in traditional hydrogen production methods and eco-friendly targets have become more apparent over time. The catalytic decomposition of methane (CDM) is a novel technology capable of producing hydrogen without releasing CO2 . Since hydrogen produced via CDM is neither blue nor green the term “turquoise” is selecte Read More
A Positive Shift in the Public Acceptability of a Low-Carbon Energy Project After Implementation: The Case of a Hydrogen Fuel Station
Apr 2019
Publication
Public acceptability of low-carbon energy projects is often measured with one-off polls. This implies that opinion-shifts over time are not always taken into consideration by decision makers relying on these polls. Observations have given the impression that public acceptability of energy projects increases after implementation. However this positive shift over time has not yet been systematically studied and is not yet understood very well. This paper aims Read More
Everything About Hydrogen Podcast: Ending on a Hy Note
Jul 2021
Publication
This week's show is the last episode of Season 2! To celebrate we invited our friend and colleague Markus Wilthaner partner at McKinsey & Company to come speak with us. Markus has been a leader in the hydrogen space for the past ten years and has drafted a number of the Hydrogen Council's reports since its founding including the newly released - and highly anticipated - Hydrogen Insights 2021 (link below). In this episode we speak with Markus about th Read More
Hydrogen Separation and Purification from Various Gas Mixtures by Means of Electrochemical Membrane Technology in the Temperature Range 100–160 ◦C
Apr 2021
Publication
This paper reports on an experimental evaluation of the hydrogen separation performance in a proton exchange membrane system with Pt-Co/C as the anode electrocatalyst. The recovery of hydrogen from H2/CO2 H2/CH4 and H2/NH3 gas mixtures were determined in the temperature range of 100–160 ◦C. The effects of both the impurity concentration and cell temperature on the separation performance of the cell and membrane were further exami Read More
A Review of Hydrogen Direct Injection for Internal Combustion Engines: Towards Carbon-Free Combustion
Nov 2018
Publication
A paradigm shift towards the utilization of carbon-neutral and low emission fuels is necessary in the internal combustion engine industry to fulfil the carbon emission goals and future legislation requirements in many countries. Hydrogen as an energy carrier and main fuel is a promising option due to its carbon-free content wide flammability limits and fast flame speeds. For spark-ignited internal combustion engines utilizing hydrogen direct injection has b Read More
HydroGenerally - Episode 1: The Colours of Hydrogen
Mar 2022
Publication
This first episode was inspired by an Innovate UK KTN perspective commenting on the UK government’s Hydrogen Strategy released by the Department of Business Energy and Industrial Strategy (BEIS) in August 2021. Following the publication of this perspective it was very evident to our Innovate UK KTN experts that the uses and challenges of ‘blue’ and ‘green’ hydrogens were generating a strong debate depending on their application areas.Over Read More
Effect of Bipolar Plate Material on Proton Exchange Membrane Fuel Cell Performance
Mar 2022
Publication
Commercialization of proton exchange membrane fuel cells can only materials provided its performance is closely related to existing technologies useful in commercial application. Other critical parameters like the utilization of cheaper materials should be taken into account during the manufacturing of the cell. A key component in the cell that has direct correlation to the cell perfor‐ mance is the flow plate. The weight coupled with cost of the cell revolves Read More
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