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Numerical Redesign of 100kw MGT Combustor for 100% H2 Fueling
Jan 2014
Publication
The use of hydrogen as energy carrier in a low emission microturbine could be an interesting option for renewable energy storage distributed generation and combined heat & power. However the hydrogen using in gas turbine is limited by the NOx emissions and the difficulty to operate safely. CFD simulations represent a powerful and mature tool to perform detailed 3-D investigation for the development of a prototype before carrying out an experiment Read More
High-Performance Hydrogen-Fueled Internal Combustion Engines: Feasibility Study and Optimization via 1D-CFD Modeling
Mar 2024
Publication
Hydrogen-powered mobility is believed to be crucial in the future as hydrogen constitutes a promising solution to make up for the non-programmable character of the renewable energy sources. In this context the hydrogen-fueled internal combustion engine represents one of the suitable technical solutions for the future of sustainable mobility. As a matter of fact hydrogen engines suffer from limitations in volumetric efficiency due to the very low dens Read More
Hydrogen Informed Gurson Model for Hydrogen Embrittlement Simulation
Jul 2019
Publication
Hydrogen-microvoid interactions were studied via unit cell analyses with different hydrogen concentrations. The absolute failure strain decreases with hydrogen concentration but the failure loci were found to follow the same trend dependent only on stress triaxiality in other words the effects of geometric constraint and hydrogen on failure are decoupled. Guided by the decoupling principle a hydrogen informed Gurson model is proposed. This model Read More
Shipping Australian Sunshine: Liquid Renewable Green Fuel Export
Dec 2022
Publication
Renewable green fuels (RGF) such as hydrogen are the global energy future. Air pollution is compounded with climate change as the emissions driving both development problems come largely from the same source of fossil fuel burning. As an energy exporter Australian energy export dominates the total energy production and the RGF has become central to the current proposal of Australian government to reach net zero emission. The hydrogen productio Read More
Numerical Modeling of Energy Systems Based on Micro Gas Turbine: A Review
Jan 2022
Publication
In the context of the great research pulse on clean energy transition distributed energy systems have a key role especially in the case of integration of both renewable and traditional energy sources. The stable interest in small-scale gas turbines can further increase owing to their flexibility in both operation and fuel supply. Since their not-excellent electrical efficiency research activities on micro gas turbine (MGT) are focused on the performance improve Read More
A Comprehensive Study on Production of Methanol from Wind Energy
Apr 2022
Publication
Methanol is a promising new alternative fuel that emits significantly less carbon dioxide than gasoline. Traditionally methanol was produced by gasifying natural gas and coal. Syn-Gas is created by converting coal and natural gas. After that the Syn-Gas is converted to methanol. Alternative renewable energy-to-methanol conversion processes have been extensively researched in recent years due to the traditional methanol production process’s high ca Read More
Numerical Simulation of Leaking Hydrogen Dispersion Behavior
Sep 2021
Publication
As one kind of clean zero carbon and sustainable energy hydrogen energy has been regarded as the most potential secondary energy. Recently hydrogen refueling station gradually becomes one of important distribution infrastructures that provides hydrogen sources for transport vehicles and other distribution devices. However the highly combustible nature of hydrogen may bring great hazards to environment and human. The safety design of hydrogen Read More
A Multi-objective Optimization Approach in Defining the Decarbonization Strategy of a Refinery
Mar 2022
Publication
Nowadays nearly one quarter of global carbon dioxide emissions are attributable to energy use in industry making this an important target for emission reductions. The scope of this study is hence that to define a cost-optimized decarbonization strategy for an energy and carbon intensive industry using an Italian refinery as a case study. The methodology involves the coupling of EnergyPLAN with a Multi-Objective Evolutionary Algorithm (MOEA) consi Read More
An MILP Approach for the Optimal Design of Renewable Battery-hydrogen Energy Systems for Off-grid Insular Communities
Jul 2021
Publication
The optimal sizing of stand-alone renewable H2-based microgrids requires the load demand to be reliably satisfied by means of local renewable energy supported by a hybrid battery/hydrogen storage unit while minimizing the system costs. However this task is challenging because of the high number of components that have to be installed and operated. In this work an MILP optimization framework has been developed and applied to the off-grid vi Read More
Multi-layer Coordinated Optimization of Integrated Energy System with Electric Vehicles Based on Feedback Correction
Sep 2022
Publication
The integrated energy system with electric vehicles can realize multi-energy coordination and complementarity and effectively promote the realization of low-carbon environmental protection goals. However the temporary change of vehicle travel plan will have an adverse impact on the system. Therefore a multi-layer coordinated optimization strategy of electric-thermal-hydrogen integrated energy system including vehicle to grid (V2G) load feedback Read More
Renewable-based Zero-carbon Fuels for the Use of Power Generation: A Case Study in Malaysia Supported by Updated Developments Worldwide
Apr 2021
Publication
The existing combustion-centered energy mix in Malaysia has shown that replacing fossil fuels with zero-carbon alternative fuels could be a better approach to achieve the reduction of the carbon footprint of the power generation industry. In this study the potential of zero-carbon alternative fuels generated from renewable sources such as green hydrogen and green ammonia was addressed in terms of the production transport storage and utilization in Mal Read More
Fuel Cells for Shipping: To Meet On-board Auxiliary Demand and Reduce Emissions
Feb 2021
Publication
The reduction of harmful emissions from the international shipping sector is necessary. On-board energy demand can be categorised as either: propulsion or auxiliary services. Auxiliary services contribute a significant proportion of energy demand with major loads including: compressors pumps and HVAC (heating ventilation and air-conditioning). Typically this demand is met using the same fuel source as the main propulsion (i.e. fossil fuels). This study has an Read More
Optimal Scheduling of Multi-microgrids with Power to Hydrogen Considering Federated Demand Response
Sep 2022
Publication
Hydrogen is regarded as a promising fuel in the transition to clean energy. Nevertheless as the demand for hydrogen increases some microgrids equipped with P2H (MGH) will encounter the issue of primary energy deficiency. Meanwhile some microgrids (MGs) face the difficulty of being unable to consume surplus energy locally. Hence we interconnect MGs with different energy characteristics and then establish a collaborative scheduling model of mu Read More
The Potential of Zero-carbon Bunker Fuels in Developing Countries
Apr 2015
Publication
To meet the climate targets set forth in the International Maritime Organization’s Initial GHG Strategy the maritime transport sector needs to abandon the use of fossil-based bunker fuels and turn toward zero-carbon alternatives which emit zero or at most very low greenhouse gas (GHG) emissions throughout their lifecycles. This report “The Potential of Zero-Carbon Bunker Fuels in Developing Countries” examines a range of zero-carbon bunker fuel opti Read More
Our Green Print: Future Heat for Everyone
Jul 2021
Publication
Green Print - Future Heat for Everyone draws together technical consumer and economic considerations to create a pioneering plan to transition 22 million UK homes to low carbon heat by 2050.Our Green Print underlines the scale of the challenge ahead acknowledging that a mosaic of low carbon heating solutions will be required to meet the needs of individual communities and setting out 12 key steps that can be taken now in order to get us thereT Read More
Towards 2050 Net Zero Carbon Infrastructure: A Critical Review of Key Decarbonisation Challenges in the Domestic Heating Sector in the UK
Nov 2023
Publication
One of the most challenging sectors to meet “Net Zero emissions” target by 2050 in the UK is the domestic heating sector. This paper provides a comprehensive literature review of the main challenges of heating systems transition to low carbon technologies in which three distinct categories of challenges are discussed. The first challenge is of decarbonizing heat at the supply side considering specifically the difficulties in integrating hydro Read More
Hydrogen Embrittlement of a Boiler Water Wall Tube in a District Heating System
Jul 2022
Publication
A district heating system is an eco-friendly power generation facility with high energy efficiency. The boiler water wall tube used in the district heating system is exposed to extremely harsh conditions and unexpected fractures often occur during operation. In this study a corrosion failure analysis of the boiler water wall tube was performed to elucidate the failure mechanisms. The study revealed that overheating by flames was the cause of the failure of the b Read More
Economically Viable Large-scale Hydrogen Liquefaction
Mar 2016
Publication
The liquid hydrogen demand particularly driven by clean energy applications will rise in the near future. As industrial large scale liquefiers will play a major role within the hydrogen supply chain production capacity will have to increase by a multiple of today’s typical sizes. The main goal is to reduce the total cost of ownership for these plants by increasing energy efficiency with innovative and simple process designs optimized in capital expenditure. New co Read More
Hydrogen Energy as Future of Sustainable Mobility
May 2022
Publication
Conventional fuels for vehicular applications generate hazardous pollutants which have an adverse effect on the environment. Therefore there is a high demand to shift towards environment-friendly vehicles for the present mobility sector. This paper highlights sustainable mobility and specifically sustainable transportation as a solution to reduce GHG emissions. Thus hydrogen fuel-based vehicular technologies have started blooming and have gained si Read More
Hydrogen-Electric Coupling Coordinated Control Strategy of Multi-Station Integrated System Based on the Honeycomb Topology
Mar 2022
Publication
With the high-proportion accession of renewable energy and randomness of the load side in the new energy power system unbalanced feeder power and heavy overload of the transformer caused by massive access of highly uncertain source loads become more and more serious. In order to solve the aforementioned problems a honeycomb topology of the multi-station integrated system is proposed. The soft open point (SOP) is used as the key i Read More
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