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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], In Press, 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..

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..

Structural design and analysis of a high temperature solid oxide steam tubular electrolyser. (2023)
Presentation / Conference
KURUSHINA, V., SOMAN, A., RAJENDRAN, V., PRATHURU, A., HOSSAIN, M., HORRI, B., CAI, Q. and FAISAL, N. 2023. Structural design and analysis of a high temperature solid oxide steam tubular electrolyser. Presented at the 2023 All things hydrogen conference (ATH23) [online], 14 March 2023, Aberdeen, UK. Available from: https://tinyurl.com/56ut5jjb

The hydrogen production is an active area of the innovation and development in the perspective of the next decade, with the relative dominance of the alkaline, proton exchange and solid oxide (SO) technology. The gradual maturity of the latter techno... Read More about Structural design and analysis of a high temperature solid oxide steam tubular electrolyser..

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], Latest Articles. 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..

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..

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..

Exploring the enhancement of infrared absorption through magnetically guided assembly of gold nanoparticle stabilized ferrofluid emulsion. [Dataset] (2023)
Dataset
OKPOZO, P., DWIVEDI, Y., HUO, D. and PANCHOLI, K. 2023. Exploring the enhancement of infrared absorption through magnetically guided assembly of gold nanoparticle stabilized ferrofluid emulsion. [Dataset]. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1724749

These data have been produced as part of a research project that aimed to develop a method for the preparation of a magnetically-directed self-assembly of gold Pickering ferrofluid emulsion, with the goal of enhancing infrared absorption from the mol... Read More about Exploring the enhancement of infrared absorption through magnetically guided assembly of gold nanoparticle stabilized ferrofluid emulsion. [Dataset].

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..

Exploring the enhancement of infrared absorption through magnetically guided assembly of gold nanoparticle stabilized ferrofluid emulsion. (2023)
Working Paper
OKPOZO, P., DWIVEDI, Y., HUO, D. and PANCHOLI, K. 2023. Exploring the enhancement of infrared absorption through magnetically guided assembly of gold nanoparticle stabilized ferrofluid emulsion. Hosted on OpenAIR [online]. Available from: https://rgu-repository.worktribe.com/output/1759908

The molecular vibration signals were amplified by the gold strip gratings as a result of grating resonances and nearby electric field hotspots. Colloidal gold island films exhibit similar enhancement; however, the uneven geometrical characteristics o... Read More about Exploring the enhancement of infrared absorption through magnetically guided assembly of gold nanoparticle stabilized ferrofluid emulsion..

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], Articles in Press. To be made 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. [Dataset] (2023)
Dataset
OKPOZO, P. and PANCHOLI, K. 2023. Study of spatial organisation of magnetic field directed gold-pickering-ferrofluid-nanoemulsion in spin coated film. [Dataset]. Hosted on OpenAIR [online]. Available from: https://rgu-repository.worktribe.com/output/1848943

Aim is to study the spatial organisation of the magnetically directed gold pickering ferrofluid emulsion via spin coating. The magnetically directed self-assembly manufacturing technique was successfully applied by combining the magnetic field and sp... Read More about Study of spatial organisation of magnetic field directed gold-pickering-ferrofluid-nanoemulsion in spin coated film. [Dataset].

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..

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..

Effects of titanium oxide and graphene as nano-fillers on the thermal conductivity of biobased phase change materials as latent thermal heat storage. (2022)
Journal Article
HASBI, S., NORAZMAN, N. and SAHARUDIN, M.S. 2023. Effects of titanium oxide and graphene as nano-fillers on the thermal conductivity of biobased phase change materials as latent thermal heat storage. Materials today: proceedings [online], 75(1): proceedings of the 2022 Innovative manufacturing, mechatronics and material forum (iM3F 2022), pages 181-187. Available from: https://doi.org/10.1016/j.matpr.2022.11.426

Biobased phase change materials (BPCMs) have attracted much attention as they offer proper melting temperature, high heat capacity, non-corrosive, low cost, and are abundantly available. However, the BPCMs have a low thermal conductivity which limits... Read More about Effects of titanium oxide and graphene as nano-fillers on the thermal conductivity of biobased phase change materials as latent thermal heat storage..

Characteristics of gas transport through inorganic ceramic membranes as porous media using air and nitrogen. (2022)
Conference Proceeding
IGBAGARA, W., HASHM, I.A., AISUENI, F., OGUNLUDE, P., RAMALAN, M., OGOUN, E., ASIM, T. and GOBINA, E. 2022. Characteristics of gas transport through inorganic ceramic membranes as porous media using air and nitrogen. In Proceedings of the 2nd International congress on scientific advances 2022 (ICONSAD'22), 21-24 December 2022, [virtual conference]. Turkey: ICONSAD [online], pages 417-425. Available from: https://en.iconsad.org/_files/ugd/1dd905_c45aeddf416d497e93113f00f465739b.pdf

Permeation experiments have been conducted using porous ceramic membranes having different pore sizes of 200nm and 6000nm respectively. Air and N2 gases were used as the characterizing fluids and experiments were carried out at temperatures of 20 C,... Read More about Characteristics of gas transport through inorganic ceramic membranes as porous media using air and nitrogen..

Knudsen number sensitivity to pressure drop in a nanoscale membrane. (2022)
Conference Proceeding
RAMALAN, M.M., PRABHU, R., HASHM, I., OGUNLUDE, P., AISUENI, F., ABUNOMAH, O. and GOBINA, E. 2022. Knudsen number sensitivity to pressure drop in a nanoscale membrane. In Proceedings of the 2nd International congress on scientific advances 2022 (ICONSAD'22), 21-24 December 2022, [virtual conference]. Turkey: ICONSAD [online], pages 276-281. Available from: https://en.iconsad.org/_files/ugd/1dd905_c45aeddf416d497e93113f00f465739b.pdf

According to the kinetic theory of gases, gas molecules are in constant random motion and frequently collide with one another and with the walls of their container. They continuously experience changes in velocity and direction. Between collisions, m... Read More about Knudsen number sensitivity to pressure drop in a nanoscale membrane..