All Outputs (613)

Mutation based improved dragonfly optimization algorithm for a neuro-fuzzy system in short term wind speed forecasting. (2023)
Journal Article
PARMAKSIZ, H., YUZGEC, U., DOKUR, E. and ERDOGAN, N. 2023. Mutation based improved dragonfly optimization algorithm for a neuro-fuzzy system in short term wind speed forecasting. Knowledge-based systems [online], 268, article 110472. Available from: https://doi.org/10.1016/j.knosys.2023.110472

The Dragonfly algorithm (DA) is a heuristic optimization algorithm that is commonly used for complex optimization problems. Despite its widespread application, the abundance of social behaviors in its construct can lead to poor accuracy in solutions... Read More about Mutation based improved dragonfly optimization algorithm for a neuro-fuzzy system in short term wind speed forecasting..

Optimization of biodiesel production from waste cooking oil using a green catalyst prepared from glass waste and animal bones. (2023)
Journal Article
ASAAD, S.M., INAYAT, A., JAMIL, F., GHENAI, C. and SHANABLEH, A. 2023. Optimization of biodiesel production from waste cooking oil using a green catalyst prepared from glass waste and animal bones. Energies [online], 16(5), article 2322. Available from: https://doi.org/10.3390/en16052322

Biodiesel as a fuel has been shown to positively impact the environment; replacing or reducing the dependence on fossil fuels while providing a viable alternative. The use of waste oils, such as non-edible or used oils, can reduce competition with fo... Read More about Optimization of biodiesel production from waste cooking oil using a green catalyst prepared from glass waste and animal bones..

Multimodal image and spectral feature learning for efficient analysis of water-suspended particles. (2023)
Journal Article
TAKAHASHI, T., LIU, Z., THEVAR, T., BURNS, N., LINDSAY, D., WATSON, J., MAHAJAN, S., YUKIOKA, S., TANAKA, S., NAGAI, Y. and THORNSTON, B. 2023. Multimodal image and spectral feature learning for efficient analysis of water-suspended particles. Optics express [online], 31(5), pages 7492-7504. Available from: https://doi.org/10.1364/OE.470878

We have developed a method to combine morphological and chemical information for the accurate identification of different particle types using optical measurement techniques that require no sample preparation. A combined holographic imaging and Raman... Read More about Multimodal image and spectral feature learning for efficient analysis of water-suspended particles..

Stability of viscous lubricated thin film down an inclined plane beneath ambient lighter non miscible static liquid. (2023)
Journal Article
MASKONI, A., LATRACHE, N., KHOSHKONESH, A., ASIM, T., POLIDORI, G., MISHRA, R. and NSOM, B. 2023. Stability of viscous lubricated thin film down an inclined plane beneath ambient lighter non miscible static liquid. International journal of condition monitoring and diagnostic engineering management (COMADEM) [online], 26(1), pages 5-12. Available from: https://apscience.org/comadem/index.php/comadem/article/view/353

This paper considers the stability of a thin film propagating beneath a large quantity of ambient static non miscible lighter liquid and over a sloping plane. Such configuration that has never been considered earlier can model the spill of a heavy hy... Read More about Stability of viscous lubricated thin film down an inclined plane beneath ambient lighter non miscible static liquid..

Hydrodynamic loads on a group of six structures of different cross-sections in uniform and sheared flow. (2023)
Journal Article
ANNAPEH, H.F. and KURUSHINA, V. 2023. Hydrodynamic loads on a group of six structures of different cross-sections in uniform and sheared flow. Journal of marine science and engineering [online], 11(2), article number 383. Available from: https://doi.org/10.3390/jmse11020383

The estimates of hydrodynamic forces for a group of structures represent a challenge for the design of offshore systems, as they are subject to changes with a variation in flow profiles. The fluctuating effects may be more pronounced or, on the contr... Read More about Hydrodynamic loads on a group of six structures of different cross-sections in uniform and sheared flow..

Prediction of unsteady slug flow in a long curved inclined riser with a slug tracking model. (2023)
Journal Article
PADRINO, J.C., SRINIL, N., KURUSHINA, V. and SWAILES, D. 2023. Prediction of unsteady slug flow in a long curved inclined riser with a slug tracking model. International journal of multiphase flow [online], 162, article number 104410. Available from: https://doi.org/10.1016/j.ijmultiphaseflow.2023.104410

An improved one-dimensional mechanistic model is presented for the prediction of unsteady gas–liquid slug flows in inclined curved pipes, using the slug tracking approach. The equations for mass and momentum conservation are applied to the slug body,... Read More about Prediction of unsteady slug flow in a long curved inclined riser with a slug tracking model..

A PESTEL and SWOT impact analysis on renewable energy development in Togo. (2023)
Journal Article
KANSONGUE, N., NJUGUNA, J. and VERTIGANS, S. 2023. A PESTEL and SWOT impact analysis on renewable energy development in Togo. Frontiers in sustainability [online], 3, article 990173. Available from: https://doi.org/10.3389/frsus.2022.990173

Like most developing countries, Togo continues to rely on the use of traditional forms of biomass energy which causes tremendous socio-economic, environmental and health hazards. In addition, the imbalanced distribution and use of electricity, petrol... Read More about A PESTEL and SWOT impact analysis on renewable energy development in Togo..

The impact of ice formation on vertical axis wind turbine performance and aerodynamics. (2023)
Journal Article
GERRIE, S., ISLAM, S.Z., GERRIE, C., DROUBI, G. and ASIM, T. 2023. The impact of ice formation on vertical axis wind turbine performance and aerodynamics. Wind [online], 3(1), pages 16-24. Available from: https://doi.org/10.3390/wind3010003

This study investigated the impact of ice formation on the performance and aerodynamics of a vertical axis wind turbine (VAWT). This is an area that is becoming more prevalent as VAWTs are installed alongside horizontal axis wind turbines (HAWTs) in... Read More about The impact of ice formation on vertical axis wind turbine performance and aerodynamics..

3D CFD modelling of performance of a vertical axis turbine. (2023)
Journal Article
GERRIE, C., ISLAM, S.Z., GERRIE, S., TURNER, N. and ASIM, T. 2023. 3D CFD modelling of performance of a vertical axis turbine. Energies [online], 16(3), article 1144. Available from: https://doi.org/10.3390/en16031144

Recently, wind turbine research has switched focus to vertical axis wind turbines due to the extensive research that has been performed on horizontal axis wind turbines and the potential of vertical axis wind turbines in built-up areas. This study ai... Read More about 3D CFD modelling of performance of a vertical axis turbine..

Stress analysis of pipe-in-pipe systems under free span for deep water pipeline applications. (2023)
Journal Article
MOHAMMED, A.I., JOHNSON, C., SPENCE, S., SKYES, P. and NJUGUNA, J. 2023. Stress analysis of pipe-in-pipe systems under free span for deep water pipeline applications. Petroleum and petrochemical engineering journal [online], 7(1). Available from: https://doi.org/10.23880/ppej-16000325

This study examined the phenomena of free span for a pipe -in- pipe (PIP) system for pipeline application. Two different span length of 8 and 30 meters are modelled and simulated using nonlinear stress analysis. The effect of pressure, temperature an... Read More about Stress analysis of pipe-in-pipe systems under free span for deep water pipeline applications..

Study of spatial organisation of magnetic field directed gold-pickering-ferrofluid-nanoemulsion in spin coated film. (2023)
Journal Article
OKPOZO, P. and PANCHOLI, K. 2023. Study of spatial organisation of magnetic field directed gold-pickering-ferrofluid-nanoemulsion in spin coated film. Hybrid advances [online], 2, article 100018. Available from: https://doi.org/10.1016/j.hybadv.2023.100018

The magnetic field directed self-assembly of the nanoparticles is cheap, fast and easy method to prepare the patterned thin film useful for various applications. However, the dipole-dipole interaction between nanoparticles at the interface generates... Read More about Study of spatial organisation of magnetic field directed gold-pickering-ferrofluid-nanoemulsion in spin coated film..

Assessing the contribution of open crop straw burning to ground-level ozone and associated health impacts in China and the effectiveness of straw burning bans. (2022)
Journal Article
HUANG, L., ZHU, Y., LIU, H., WANG, Y., ALLEN, D.T., OOI, M.C.G., MANOMAIPHIBOON, K., LATIF, M.T., CHAN, A. and LI, L. 2023. Assessing the contribution of open crop straw burning to ground-level ozone and associated health impacts in China and the effectiveness of straw burning bans. Environment international [online], 171, article 107710. Available from: https://doi.org/10.1016/j.envint.2022.107710

In recent years, ozone pollution in China has been shown to increase in frequency and persistence despite the concentrations of fine particulate matter (PM2.5) decreasing steadily. Open crop straw burning (OCSB) activities are extensive in China and... Read More about Assessing the contribution of open crop straw burning to ground-level ozone and associated health impacts in China and the effectiveness of straw burning bans..

Comparative strength and stability analysis of conventional and lighter composite flexible risers in ultra-deep water subsea environment. (2022)
Journal Article
NAMMI, S.K., GUPTA, R. and PANCHOLI, K. [2022]. Comparative strength and stability analysis of conventional and lighter composite flexible risers in ultra-deep water subsea environment. Proceedings of the Institution of Mechanical Engineers, Part E: journal of process mechanical engineering [online], OnlineFirst. Available from: https://doi.org/10.1177/09544089221144394

The hybrid flexible risers have a multi-layered structure and use thermoplastic composite for the pressure and tensile armour. In contrast, a conventional flexible riser uses heavier carbon steel as armour which significantly contributes to its weigh... Read More about Comparative strength and stability analysis of conventional and lighter composite flexible risers in ultra-deep water subsea environment..

Enhancing the catalytic activity of eggshell-derived CaO catalyst and its application in biodiesel production from waste chicken fat. (2022)
Journal Article
SALEEM, M., JAMIL, F., QAMAR, O.A., AKHTER, P., HUSSAIN, M., KHURRAM, M.S., AL-MUHTASEB, A.H., INAYAT, A. and SHAH, N.S. 2022. Enhancing the catalytic activity of eggshell-derived CaO catalyst and its application in biodiesel production from waste chicken fat. Catalysts [online], 12(12), article number 1627. Available from: https://doi.org/10.3390/catal12121627

The comparatively greater cost of producing biodiesel in comparison to petroleum diesel is one of the key drawbacks. Eggshells and leftover chicken fat are examples of poultry wastes that can be used to produce biodiesel at a low cost as catalysts an... Read More about Enhancing the catalytic activity of eggshell-derived CaO catalyst and its application in biodiesel production from waste chicken fat..

Graphene oxide's regenerative acidity and its effects on the hydration of type II Portland cement. (2022)
Journal Article
SHEIKH, T.M., ANWAR, M.P., MUTHOOSAMY, K., JAGANATHAN, J., CHAN, A. and MOHAMED, A.A. 2023. Graphene oxide's regenerative acidity and its effects on the hydration of type II Portland cement. Construction and building materials [online], 364, article 129933. Available from: https://doi.org/10.1016/j.conbuildmat.2022.129933

Incorporation of graphene oxide (GO) has been found to considerably improve the hydration process, strength and durability of Portland cement. However, the exact nature of its chemical interactions with the cement are unclear. In this study, GO of va... Read More about Graphene oxide's regenerative acidity and its effects on the hydration of type II Portland cement..

Manufacturing defects in thermoplastic composite pipes and their effect on the in-situ performance of thermoplastic composite pipes in oil and gas applications. (2022)
Journal Article
OKOLIE, O., LATTO, J., FAISAL, N., JAMIESON, H., MUKHERJI, A. and NJUGUNA, J. 2023. Manufacturing defects in thermoplastic composite pipes and their effect on the in-situ performance of thermoplastic composite pipes in oil and gas applications. Applied composite materials [online], 30(1), pages 231-306. Available from: https://doi.org/10.1007/s10443-022-10066-9

Thermoplastic composite pipes (TCP), which are a form of fibre reinforced thermoplastic pipes, have proven benefits such as being lightweight and non-corrosive. However, during manufacturing, certain defects are induced because of certain parameters,... Read More about Manufacturing defects in thermoplastic composite pipes and their effect on the in-situ performance of thermoplastic composite pipes in oil and gas applications..

Dynamic analysis of closed die electromagnetic sheet metal forming to predict deformation and failure of AA6061-T6 alloy using a fully coupled finite element model. (2022)
Journal Article
KHAN, Z., KHAN, M., YOOK, S.-J., KHAN, A., YOUNAS, M., ZAHIR, M.Z. and ASAD, M. 2022. Dynamic analysis of closed die electromagnetic sheet metal forming to predict deformation and failure of AA6061-T6 alloy using a fully coupled finite element model. Materials [online], 15(22), article 7997. Available from: https://doi.org/10.3390/ma15227997

This research presents a fully coupled 3D numerical model to analyse the dynamics of high-speed electromagnetic forming process for aluminium alloy AA6061-T6. The effect of Lorentz force distribution, velocity and kinetic energy on deformation, the b... Read More about Dynamic analysis of closed die electromagnetic sheet metal forming to predict deformation and failure of AA6061-T6 alloy using a fully coupled finite element model..

Numerical prediction of the effect of thermal plume of a standing human on the airborne aerosol flow in a room: assessment of the social distancing rule. (2022)
Journal Article
HOSSAIN, M., CHINENYE-KANU, N., FAISAL, N.H., PRATHURU, A., ASIM, T. and BANIK, S. 2023. Numerical prediction of the effect of thermal plume of a standing human on the airborne aerosol flow in a room: assessment of the social distancing rule. Aerosol science and engineering [online], 7(1), pages 96-106. Available from: https://doi.org/https://doi.org/10.1007/s41810-022-00165-2

The purpose of the study is to investigate the dispersion of droplet nuclei/aerosol which are produced during coughing and continuous talking to quantify the risk of infection due to airborne disease transmission. A three-dimensional modelling of aer... Read More about Numerical prediction of the effect of thermal plume of a standing human on the airborne aerosol flow in a room: assessment of the social distancing rule..

Use of membrane technology to enhance the integration of hydrogen into processing and manufacturing. (2022)
Journal Article
GOBINA, E., GIWA, A. and BEN-ARON, A. 2022. Use of membrane technology to enhance the integration of hydrogen into processing and manufacturing. Membrane technology [online], 22(8), article 70088-2. Available from: https://doi.org/10.12968/S0958-2118(22)70088-2

Membranes are at the heart of the green hydrogen economy and are used at every stage along the infrastructure highway – from production of the gas to its end use. This article looks at the role membranes play in electrolysers, and carbon capture and... Read More about Use of membrane technology to enhance the integration of hydrogen into processing and manufacturing..

A multi-objective decision framework for the selection of feasible and viable hybrid renewable energy systems in energy-constrain communities. (2022)
Journal Article
JOHNSON, Z.S., ABAKAR, Y.A., SHANMUGAM, S.A. and CHAN, A. 2023. A multi-objective decision framework for the selection of feasible and viable hybrid renewable energy systems in energy-constrain communities. International journal of renewable energy technology [online], 14(1), pages 92-113. Available from: https://doi.org/10.1504/IJRET.2023.127569

Choosing the appropriate system configuration that meets the multi-objectives of profit-making and environmental protection is always a critical decision for both entrepreneurs and the government. The choice is complicated primarily if several possib... Read More about A multi-objective decision framework for the selection of feasible and viable hybrid renewable energy systems in energy-constrain communities..