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A Complete Assessment of the Emission Performance of an SI Engine Fueled with Methanol, Methane and Hydrogen
Feb 2024
Publication
This study explores the potentiality of low/zero carbon fuels such as methanol methane and hydrogen for motor applications to pursue the goal of energy security and environmental sustainability. An experimental investigation was performed on a spark ignition engine equipped with both a port fuel and a direct injection system. Liquid fuels were injected into the intake manifold to benefit from a homogeneous charge formation. Gaseous fuels were injecte Read More
Utilization of Hydrogen Fuel in Reheating Furnace and its Effect on Oxide Scale Formation of Low-carbon Steels
Nov 2024
Publication
The transition from fossil-based fuel to hydrogen combustion in steel reheating furnaces is a possible way to decrease the process-originated CO2 emissions significantly. This potential change alters the furnace gas atmo sphere’s composition impacting the oxide scale formation of the slab surface. Dynamic heating tests are per formed for three low-carbon steels using different simulated combustion atmospheres including natural gas coke oven gas a 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
Marine Renewable-Driven Green Hydrogen Production Toward a Sustainable Solution and a Low-carbon Future in Morocco
May 2024
Publication
Oceanic energy sources notably offshore wind and wave power present a significant opportunity to generate green hydrogen through water electrolysis. This approach allows for offshore hydrogen production which can be efficiently transported through existing pipelines and stored in various forms offering a versatile solution to tackle the intermittency of renewable energy sources and potentially revolutionize the entire electrical grid infrastructure. Thi Read More
Utilization of Hydrogen and Methane as Energy Carriers with Exhaust Gas Recirculation for Sustainable Diesel Engines
May 2024
Publication
Hydrogen and methane as secondary fuels in diesel engines can be promising solutions to meet energy demand. The current study investigated the effect of the specialty gases of different compositions on diesel engine performance and exhaust gases. Four gases with various compositions of exhaust gas recirculation (Carbon monoxide Carbon dioxide and Nitrogen) and fuels (Hydrogen and Methane) were used at various mass flow rates of 10 20 a Read More
Hydrogen in Burners: Economic and Environmental Implications
Nov 2024
Publication
For centuries fossil fuels have been the primary energy source but their unchecked use has led to significant environmental and economic challenges that now shape the global energy landscape. The combustion of these fuels releases greenhouse gases which are critical contributors to the acceleration of climate change resulting in severe consequences for both the environment and human health. Therefore this article examines the potential of hyd Read More
A Data-Driven Scheduling Approach for Hydrogen Penetrated Energy System Using LSTM Network
Nov 2019
Publication
Intra-day control and scheduling of energy systems require high-speed computation and strong robustness. Conventional mathematical driven approaches usually require high computation resources and have difficulty handling system uncertainties. This paper proposes two data-driven scheduling approaches for hydrogen penetrated energy system (HPES) operational scheduling. The two data-driven approaches learn the historical optimization results calcu Read More
Uncovering an Emerging Policy Direction for Australian Energy and Future Fuels Using a "Participatory Decision-Making" Framework
Aug 2024
Publication
Introduction: An online deliberative engagement process was undertaken with members of the general public to understand what they value or would like to change about the energy system within the broader context of decarbonizing Australia's energy networks identifying a role for future fuels (hydrogen and biogas). Citizens developed a set of principles that could guide Australia's path toward a low-carbon energy future reflecting on expectations they Read More
The Role of Hydrogen as Enabler of Industrial Port Area Decarbonoization
Nov 2023
Publication
To meet environmental goals while maintaining economic competitiveness worldwide ports have increased the amount of renewable energy production and have focused in optimizing performances and energy efficiency. However carbon-neutral operation of industrial port areas (IPA) is challenging and requires the decarbonization of industrial processes and heavy transport systems. This study proposes a comprehensive review of decarbon ization strateg 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
Probabilistic Analysis of Electricity Production from a Photovoltaic–Wind Energy Mix for Sustainable Transport Needs
Nov 2024
Publication
Renewable Energy Sources (RESs) are characterized by high unevenness cyclicality and seasonality of energy production. Due to the trends in the production of electricity itself and the utilization of hydrogen distributed generation systems are preferred. They can be connected to the energy distribution network or operate without its participation (off-grid). However in both cases such distributed energy sources should be balanced in terms of power generatio Read More
The Case of Renewable Methane by and with Green Hydrogen as the Storage and Transport Medium for Intermittent Wind and Solar PV Energy
May 2024
Publication
Long-duration energy storage is the key challenge facing renewable energy transition in the future of well over 50% and up to 75% of primary energy supply with intermittent solar and wind electricity while up to 25% would come from biomass which requires traditional type storage. To this end chemical energy storage at grid scale in the form of fuel appears to be the ideal option for wind and solar power. Renewable hydrogen is a much-considered fuel al Read More
Model-based Analysis and Optimization of Pressurised Alkaline Water Electrolysis Powered by Renewable Energy
Jul 2023
Publication
Alkaline water electrolysis is a key technology for large-scale hydrogen production. In this process safety and efficiency are among the most essential requirements. Hence optimization strategies must consider both aspects. While experimental optimization studies are the most accurate solution model-based approaches are more cost and time-efficient. However validated process models are needed which consider all important influences and ef 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
The Green Hydrogen Revolution
Jul 2023
Publication
Green hydrogen is considered the most suitable choice for the future energy market both as energy storage media energy vector and fuel for transportation industry and other applications. In the last twenty years increasing efforts have been dedicated to green hydrogen technologies development but still today a number of issues are claimed in justifying the delay in its large scale application and the star vation of its market. Moreover some new questions s Read More
Recent Progress on Rational Design of Catalysts for Fermentative Hydrogen Production
May 2022
Publication
The increasingly severe energy crisis has strengthened the determination todevelop environmentally friendly energy. And hydrogen has emerged as a candi-date for clean energy. Among many hydrogen generation methods biohydrogenstands out due to its environmental sustainability simple operating environ-ment and cost advantages. This review focuses on the rational design of catalystsfor fermentative hydrogen production. The principles of microbi Read More
Life Cycle Net Energy Assessment of Sustainable H2 Production and Hydrogenation of Chemicals in a Coupled Photoelectrochemical Device
Feb 2023
Publication
Green hydrogen has been identified as a critical enabler in the global transition to sustainable energy and decarbonized society but it is still not economically competitive compared to fossil-fuel-based hydrogen. To overcome this limitation we propose to couple photoelectrochemical (PEC) water splitting with the hydrogenation of chemicals. Here we evaluate the potential of coproducing hydrogen and methyl succinic acid (MSA) by coupling the hydrogenati Read More
Green Hydrogen Generation in Alkaline Solution Using Electrodeposited Ni-Co-nano-graphene Thin Film Cathode
Apr 2024
Publication
Green hydrogen generation technologies are currently the most pressing worldwide issues ofering promising alternatives to existing fossil fuels that endanger the globe with growing global warming. The current research focuses on the creation of green hydrogen in alkaline electrolytes utilizing a Ni-Co-nano-graphene thin flm cathode with a low overvoltage. The recommended conditions for creating the target cathode were studied by electrodepositin Read More
Hydrogen in the Strategies of the European Union Member States
Jan 2021
Publication
Energy and environmental challenges are two key issues related to the sustainable development of the Earth. Fossil fuels (oil coal and natural gas) still supply more than 85% of world energy consumption. Several nations around the globe are striving to provide access to clean and sustainable energy by 2030 (Hostettler et al. 2015). When the Paris Agreement entered into force in 2016 many countries have recently announced serious commitments to si Read More
The Emerging Role of Artificial Intelligence in Enhancing Energy Efficiency and Reducing GHG Emissions in Transport Systems
Dec 2024
Publication
The global transport sector a significant contributor to energy consumption and greenhouse gas (GHG) emissions requires innovative solutions to meet sustainability goals. Artificial intelligence (AI) has emerged as a transformative technology offering opportunities to enhance energy efficiency and reduce GHG emissions in transport systems. This study provides a comprehensive review of AI’s role in optimizing vehicle energy management traffic flow Read More
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