All Outputs (735)

Waste bone char-derived adsorbents: characteristics, adsorption mechanism and model approach. (2023)
Journal Article
HART, A., PORBENI, D.W., OMONMHENLE, S. and PERETOMODE, E. 2023. Waste bone char-derived adsorbents: characteristics, adsorption mechanism and model approach. Environmental technology reviews [online], 12(1), pages 175-204. Available from: https://doi.org/10.1080/21622515.2023.2197128

The increase in meat consumption will result in a significant amount of bone being generated as solid waste and causing pollution to the environment. By pyrolysis or gasification, waste bones can be converted into bone char (BC), which can be used as... Read More about Waste bone char-derived adsorbents: characteristics, adsorption mechanism and model approach..

Evaluation of pulse transit time for different sensing methodologies of arterial waveforms. (2023)
Journal Article
JANJUA, G.M.W., FINLAY, D., GULDENRING, D., HAQ, A.U. and MCLAUGHLIN, J. 2023. Evaluation of pulse transit time for different sensing methodologies of arterial waveforms. IEEE access [online], 11, pages 33928-33933. Available from: https://doi.org/10.1109/ACCESS.2023.3264291

We perform a novel comparative analysis between optically and mechanically derived pulse transit time (PTT), which is a universally employed technique for cuffless blood pressure (BP) estimation. Two inline photoplethysmogram (PPG) sensors were place... Read More about Evaluation of pulse transit time for different sensing methodologies of arterial waveforms..

Plug and abandonment of oil and gas wells: a comprehensive review of regulations, practices, and related impact of materials selection. (2023)
Journal Article
CHUKWUEMEKA, A.O., OLUYEMI, G., MOHAMMED, A.I. and NJUGUNA, J. 2023. Plug and abandonment of oil and gas wells: a comprehensive review of regulations, practices, and related impact of materials selection. Geoenergy science and engineering [online], 226, article 211718. Available from: https://doi.org/10.1016/j.geoen.2023.211718

This paper reviews the state of research in permanent barrier materials for plug and abandonment of oil and gas wells to identify key strengths and weaknesses of each barrier material and understand the impact of reservoir conditions and fluids on ba... Read More about Plug and abandonment of oil and gas wells: a comprehensive review of regulations, practices, and related impact of materials selection..

Development of coconut oil/capric acid eutectic phase change material with graphene as latent thermal energy storage. (2023)
Journal Article
HASBI, S., LEONG, K.Y., KU AHMAD, K.Z., ABDUL RAHIM, N. and SAHARUDIN, M.S. 2023. Development of coconut oil/capric acid eutectic phase change material with graphene as latent thermal energy storage. International journal of automotive and mechanical engineering [online], 20(1), pages 10247-10257. Available from: https://doi.org/10.15282/ijame.20.1.2023.07.0792

In this study, a eutectic mixture of coconut oil (CO)-capric acid (CA) was synthesised and investigated with the aim of producing newly eutectic phase change materials (PCMs) with improved thermal properties as thermal energy storage (TES). Although... Read More about Development of coconut oil/capric acid eutectic phase change material with graphene as latent thermal energy storage..

Structural response of a compliant pipe-in-pipe under frictionless and frictional conditions of the seabed. (2023)
Journal Article
MOHAMMED, A.I., BARTZAS, K., JOHNSON, C., SPENCE, S., SYKES, P., KIDD, G., MCCONNACHIE, J. and NJUGUNA, J. 2023. Structural response of a compliant pipe-in-pipe under frictionless and frictional conditions of the seabed. Ocean engineering [online], 276, article 114020. Available from: https://doi.org/10.1016/j.oceaneng.2023.114020

Pipe-in-Pipe (PIP) technology has been studied significantly owing to its superior performance in deep-water and high-pressure high temperature fields than conventional single pipe. The PIP system has excellent track record of mitigating flow assuran... Read More about Structural response of a compliant pipe-in-pipe under frictionless and frictional conditions of the seabed..

An artificial lift selection approach using machine learning: a case study in Sudan. (2023)
Journal Article
MAHDI, M.A.A., AMISH, M. and OLUYEMI, G. 2023. An artificial lift selection approach using machine learning: a case study in Sudan. Energies [online], 16(6), article number 2853. Available from: https://doi.org/10.3390/en16062853

This article presents a machine learning (ML) application to examine artificial lift (AL) selection, using only field production datasets from a Sudanese oil field. Five ML algorithms were used to develop a selection model, and the results demonstrat... Read More about An artificial lift selection approach using machine learning: a case study in Sudan..

Computation of swirling hydromagnetic nanofluid flow containing gyrotactic microorganisms from a spinning disk to a porous medium with hall current and anisotropic slip effects. (2023)
Journal Article
UMAVATHI, J.C., BÉG, O.A., KHAN, U.F., BÉG, T.A. and KADIR, A. 2023. Computation of swirling hydromagnetic nanofluid flow containing gyrotactic microorganisms from a spinning disk to a porous medium with hall current and anisotropic slip effects. ZAMM [online], 103(9), e202100575. Available from: https://doi.org/10.1002/zamm.202100575

Prompted by the advancements in hybrid bio-nano-swirling magnetic bioreactors, a mathematical model for the swirling flow from a rotating disk bioreactor to a magnetic fluid saturating a porous matrix and containing nanoparticles and gyrotactic micro... Read More about Computation of swirling hydromagnetic nanofluid flow containing gyrotactic microorganisms from a spinning disk to a porous medium with hall current and anisotropic slip effects..

Advances in sustainable nanocomposites. (2023)
Journal Article
SAHARUDIN, M.S., ILYAS, R.A., AWANG, N., HASBI, S., SHYHA, I. and INAM, F. 2023. Advances in sustainable nanocomposites. Sustainability [online], 15(6), article number 5125. Available from: https://doi.org/10.3390/su15065125

Advances in Sustainable Nanocomposites is a newly opened Special Issue of Sustainability, which aims to publish original and review papers on the new scientific development of sustainable nanocomposite materials that are accelerated by zero-carbon po... Read More about Advances in sustainable nanocomposites..

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..

Corrosion monitoring at the interface using sensors and advanced sensing materials: methods, challenges and opportunities. (2023)
Journal Article
RAJENDRAN, V., PRATHURU, A., FERNANDEZ, C. and FAISAL, N.H. 2023. Corrosion monitoring at the interface using sensors and advanced sensing materials: methods, challenges and opportunities. Corrosion engineering, science and technology [online], 58(3), pages 281-321. Available from: https://doi.org/10.1080/1478422X.2023.2180195

Detecting and monitoring of corrosion is one of the major challenges in insulated metallic structures, or structures with one or more than one interface. This review paper aims to consolidate scattered literature on laboratory system-based corrosion... Read More about Corrosion monitoring at the interface using sensors and advanced sensing materials: methods, challenges and opportunities..

Recent advances in MXene composites research, applications and opportunities. (2023)
Journal Article
SAHARUDIN, M.S., AYUB, A., HASBI, S., MUHAMMAD-SUKKI, F., SHYHA, I. and INAM, F. [2023]. Recent advances in MXene composites research, applications and opportunities. Materials today: proceedings [online], In Press. Proceedings of the 2022 Composite sciences and technology international conference (COMSAT2022), 22-23 August 2022, Johor, Malaysia. Available from: https://doi.org/10.1016/j.matpr.2023.02.435

MXene composites have emerged as a promising class of materials due to their exceptional properties and versatility in various applications. In recent years, researchers have made significant progress in the development and characterization of MXene... Read More about Recent advances in MXene composites research, applications and opportunities..

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..