All Outputs (11)

The impacts of the transmission line length in an interconnected micro-grid on its performance and protection at different fault levels. (2024)
Journal Article
KHOSHKALAM, A. and ALI, D. 2024. The impacts of the transmission line length in an interconnected micro-grid on its performance and protection at different fault levels. Green technology, resilience, and sustainability [online], 4, article number 1. Available from: https://doi.org/10.1007/s44173-024-00016-y

Power systems, in recent years, have been experiencing a dynamic rise in the amount of power obtained from distributed renewable energy sources leading to the concept of microgrids to address the distributed power grid integration issues. Microgrids,... Read More about The impacts of the transmission line length in an interconnected micro-grid on its performance and protection at different fault levels..

A comprehensive review on the potential of green hydrogen in empowering the low-carbon economy: development status, ongoing trends and key challenges. (2023)
Journal Article
ATTEYA, A.I., ALI, D., HOSSAIN, M. and SELLAMI, N. 2023. A comprehensive review on the potential of green hydrogen in empowering the low-carbon economy: development status, ongoing trends and key challenges. Green energy and environmental technology [online], 2. Available from: https://doi.org/10.5772/geet.23

Green hydrogen is currently considered a key element for delivering free-carbon energy. This paper provides an extensive assessment of the potential of green hydrogen technology as a pathway to the low-carbon economy while highlighting the major tech... Read More about A comprehensive review on the potential of green hydrogen in empowering the low-carbon economy: development status, ongoing trends and key challenges..

The state of the art in hydrogen storage. (2023)
Journal Article
REYNOLDS, J., ALI, D. and NJUGUNA, J. 2023. The state of the art in hydrogen storage. Green energy and environmental technology [online], (accepted).

The global renewable energy mix is set to change even further with the increasing demand for hydrogen. The production levels are dramatically increasing, and it is becoming prevalent that the storage of hydrogen gas is much more complex than natural... Read More about The state of the art in hydrogen storage..

Precise dynamic modelling of real-world hybrid solar-hydrogen energy systems for grid-connected buildings. (2023)
Journal Article
ATTEYA, A.I., ALI, D. and SELLAMI, N. 2023. Precise dynamic modelling of real-world hybrid solar-hydrogen energy systems for grid-connected buildings. Energies [online], 16(14), article 5449. Available from: https://doi.org/10.3390/en16145449

Hybrid renewable hydrogen energy systems could play a key role in delivering sustainable solutions for enabling the Net Zero ambition; however, the lack of exact computational modelling tools for sizing the integrated system components and simulating... Read More about Precise dynamic modelling of real-world hybrid solar-hydrogen energy systems for grid-connected buildings..

Investigating the potential of renewable-hydrogen energy storage systems (RHES) in enabling Scotland’s farming communities net-zero transition and sizing the proposed RHES system. (2023)
Journal Article
AL-ALI, H., ALI, D. and ATTEYA, A.I. 2023. Investigating the potential of renewable-hydrogen energy storage systems (RHES) in enabling Scotland’s farming communities net-zero transition and sizing the proposed RHES system. Green energy and environmental technology [online], 2, pages 1-32. Available from: https://doi.org/10.5772/geet.16

Renewable-hydrogen (H2) is a key component in Scotland's decarbonisation plans and its implementation in farming communities can support achieving net-zero goals. HydroGlen, a demonstrative renewable-powered farming community at Glensaugh, is used as... Read More about Investigating the potential of renewable-hydrogen energy storage systems (RHES) in enabling Scotland’s farming communities net-zero transition and sizing the proposed RHES system..

Developing a thermally compensated electrolyser model coupled with pressurised hydrogen storage for modelling the energy efficiency of hydrogen energy storage systems and identifying their operation performance issues. (2016)
Journal Article
ALI, D., GAZEY, R. and AKLIL, D. 2016. Developing a thermally compensated electrolyser model coupled with pressurised hydrogen storage for modelling the energy efficiency of hydrogen energy storage systems and identifying their operation performance issues. Renewable and sustainable energy reviews [online], 66, pages 27-37. Available from: https://doi.org/10.1016/j.rser.2016.07.067

This paper proposes a thermally compensated electrolyser model coupled with a Pressurised Hydrogen Storage model for modelling Renewable Hydrogen Energy Storage Systems needed to support the uptake of renewable energy sources (RES) integration into t... Read More about Developing a thermally compensated electrolyser model coupled with pressurised hydrogen storage for modelling the energy efficiency of hydrogen energy storage systems and identifying their operation performance issues..

Modelling the performance of wind–hydrogen energy systems: case study the Hydrogen Office in Scotland/UK. (2015)
Journal Article
VALVERDE-ISORNA, L., ALI, D., HOGG, D. and ABDEL-WAHAB, M. 2016. Modelling the performance of wind-hydrogen energy systems: case study the Hydrogen Office in Scotland/UK. Renewable and sustainable energy reviews [online], 53, pages 1313-1332. Available from: https://doi.org/10.1016/j.rser.2015.08.044

The 'Hydrogen Office building (HO)' presents a wind–hydrogen energy system, located in Fife/Scotland, which has been set-up to demonstrate the role of hydrogen in reducing the impact of wind intermittency in a grid-tied microgrid. The main components... Read More about Modelling the performance of wind–hydrogen energy systems: case study the Hydrogen Office in Scotland/UK..

A conceptual framework for the evaluation of fuel-cell energy systems in the UK built environment. (2012)
Journal Article
ABDEL-WAHAB, M. and ALI, D. 2013. A conceptual framework for the evaluation of fuel-cell energy systems in the UK built environment. International journal of green energy [online], 10(2), pages 137-150. Available from: https://doi.org/10.1080/15435075.2011.642089

Energy-efficient buildings can reduce human impact on the environment. Energy efficiency is not only concerned with generating more energy using fewer resources, nor reducing energy usage, but also it is about harnessing natural resources, such as wi... Read More about A conceptual framework for the evaluation of fuel-cell energy systems in the UK built environment..

Real world renewable hydrogen transport. (2012)
Journal Article
GAZEY, R., ALI, D. and AKLIL, D. 2012. Real world renewable hydrogen transport. Journal of technology innovations in renewable energy [online] 1(1), pages 14-22. Available from: https://doi.org/10.6000/1929-6002.2012.01.01.2

Hydrogen represents an excellent energy storage option as it can act as both a short and long-term energy store. As the UK Government is strategically moving the UK towards a low carbon economy, hydrogen can play an important role as a solution to ma... Read More about Real world renewable hydrogen transport..

A simulation model for the dynamic analysis of a stand-alone PEM fuel cell. (2008)
Journal Article
ALI, D.M. 2008. A simulation model for the dynamic analysis of a stand-alone PEM fuel cell. Alexandria engineering journal, 47(2), pages 163-174.

The ever increasing demand for electrical energy and the rise in the electricity prices due to the recent instability of the oil prices in addition to the degrading of the air quality resulting from the emissions of the existing energy conversion dev... Read More about A simulation model for the dynamic analysis of a stand-alone PEM fuel cell..

A guide to a range of electrical energy storage devices (ESDs), with an assessment of fuel cells. (2006)
Journal Article
ALI, D.M. 2006. A guide to a range of electrical energy storage devices (ESDs) with an assessment of fuel cells. Alexandria engineering journal, 45(3), pages 317-323.

It is always desirable to de-couple the generation and the use of electrical energy, for example, to power mobile devices, to provide remote energy power support, or to simply spread electricity demand evenly over the daily cycle. This is achieved by... Read More about A guide to a range of electrical energy storage devices (ESDs), with an assessment of fuel cells..