All Outputs (690)

An ensemble-boosting algorithm for classifying partial discharge defects in electrical assets. (2017)
Journal Article
MAS'UD, A.A., ARDILA-REY, J.A., ALBARACIN, R. and MUHAMMAD-SUKKI, F. 2017. An ensemble-boosting algorithm for classifying partial discharge defects in electrical assets. Machines [online], 5(3), article ID 18. Available from: https://doi.org/10.3390/machines5030018

This paper presents an ensemble-boosting algorithm (EBA) for classifying partial discharge (PD) patterns in the condition monitoring of insulation diagnosis applied for electrical assets. This approach presents an optimization technique for creating... Read More about An ensemble-boosting algorithm for classifying partial discharge defects in electrical assets..

A photocatalytic impeller reactor for gas phase heterogeneous photocatalysis. (2017)
Journal Article
TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2017. A photocatalytic impeller reactor for gas phase heterogeneous photocatalysis. Journal of environmental chemical engineering [online], 5(4), pages 3942-3948. Available from: https://doi.org/10.1016/j.jece.2017.07.068

A novel photocatalytic reactor based on a stirred tank configuration has been described. This reactor employs the use of photocatalytic impellers to aid the mass transport of gaseous organic compounds during photocatalytic reactions. Experiments invo... Read More about A photocatalytic impeller reactor for gas phase heterogeneous photocatalysis..

Effect of RF power on the structural and optical properties of zinc sulfide films. (2017)
Journal Article
CHALANA, S.R., SANKARARAMAN, S., PRABHU, R. and PILLAI, V.P.M. 2017. Effect of RF power on the structural and optical properties of zinc sulfide films. JOM: journal of the Minerals, Metals and Materials Society [online], 69(11), pages 2264-2271. Available from: https://doi.org/10.1007/s11837-017-2459-7

Zinc sulfide (ZnS) films were prepared via a radio frequency (RF) magnetron sputtering technique using different RF powers (100, 120, 150, and 180 W), and the effects of the RF power on the structural and optical properties of the films were studied... Read More about Effect of RF power on the structural and optical properties of zinc sulfide films..

A new weak area identification method in power system based on voltage stability. (2017)
Journal Article
AZIZ, N.F.A., RAHMAT, N.A., MUHAMMAD-SUKKI, F., RAHMAN, T.K.A., YASIN, Z.M., WAHAB, N.A. and SALIM, N.A. 2017. A new weak area identification method in power system based on voltage stability. Journal of telecommunication electronic and computer engineering [online], 9(2-11), pages 171-177. Available from: http://journal.utem.edu.my/index.php/jtec/article/view/2762/1967

Identification of voltage stability weak area in power system plays an important role in preventing the occurrence of voltage collapse. A fast and accurate identification method helps power system operators to apply voltage stability control action o... Read More about A new weak area identification method in power system based on voltage stability..

Potential of implementing the low concentration photovoltaic systems in the United Kingdom. (2017)
Journal Article
ABU-BAKAR, S. H., MUHAMMAD-SUKKI, F., FREIER, D., RAMIREZ-INIGUEZ, R., MALLICK, T.K., MUNIR, A.B., YASIN, S.H.M., MAS'UD, A.A., ABU-BAKAR, S.S., BANI, N.A. and MUHTAZARUDDIN, M.N. 2017. Potential of implementing the low concentration photovoltaic systems in the United Kingdom. International journal of electrical and computer engineering [online], 7(3), pages 1398-1405. Available from: https://doi.org/10.11591/ijece.v7i3.pp1398-1405

This paper discusses the prospect of integrating a novel type of low concentration photovoltaic (LCPV) design known as the rotationally asymmetrical compound parabolic concentrator (RACPC) in a building in the United Kingdom. This is done by proposin... Read More about Potential of implementing the low concentration photovoltaic systems in the United Kingdom..

Frequency dependence of electroluminescence measurement in LDPE. (2017)
Journal Article
BANI, N.A., ABDUL-MALEK, Z., MOHD ARIS, S.A., JALIL, S.Z.A., MUHTAZARUDDIN, M.N., MAD KAIDI, H., RAHMAN, S.A.S.A., MUHAMMAD-SUKKI, F., MAS'UD, A.A., ABU-BAKAR, S.H. and ARDILLA REY, J.A. 2017. Frequency dependence of electroluminescence measurement in LDPE. International journal of electrical and computer engineering [online], 7(3), pages 1406-1413. Available from: https://doi.org/10.11591/ijece.v7i3.pp1406-1413

A good insulator for high voltage cable has low dielectric loss, reasonable flexibility and thermo-mechanically stable. However, prolonged application of electrical stresses on the cable will degraded the cable; physically and morphologically. Electr... Read More about Frequency dependence of electroluminescence measurement in LDPE..

Assessment of nanoparticles release into the environment during drilling of carbon nanotubes/epoxy and carbon nanofibres/epoxy nanocomposites. (2017)
Journal Article
STAROST, K., FRIJNS, E., VAN LAER, J., FAISAL, N., EGIZABAL, A., ELIZEXTEA, C., BLAZQUEZ, M., NELISSEN, I. and NJUGUNA, J. 2017. Assessment of nanoparticles release into the environment during drilling of carbon nanotubes/epoxy and carbon nanofibres/epoxy nanocomposites. Journal of hazardous materials [online], 340, pages 57-66. Available from: https://doi.org/10.1016/j.jhazmat.2017.06.057

The risk assessment, exposure and understanding of the release of embedded carbon nanotubes (CNTs) and carbon nanofibers (CNFs) from commercial high performance composites during machining processes is yet to be fully evaluated and quantified. In thi... Read More about Assessment of nanoparticles release into the environment during drilling of carbon nanotubes/epoxy and carbon nanofibres/epoxy nanocomposites..

Evaluation of the performance of α-alumina nano-porous ceramic composite membrane for esterification applications in petroleum refinery. (2017)
Journal Article
OKON, E., SHEHU, H. and GOBINA, E. 2018. Evaluation of the performance of a-alumina nano-porous ceramic composite membrane for esterification applications in petroleum refinery. Catalysis today [online], 310, pages 146-156. Available from: https://doi.org/10.1016/j.cattod.2017.05.089

The carrier gas permeation performance through alpha-alumina nano-porous ceramic membrane was investigated in this study. The four carrier gases used for the study were argon (Ar), helium (He), nitrogen (N2) and carbon dioxide (CO2). The experiments... Read More about Evaluation of the performance of α-alumina nano-porous ceramic composite membrane for esterification applications in petroleum refinery..

Heat transfer in a molten salt filled enclosure absorbing concentrated solar radiation. (2017)
Journal Article
AMBER, I. and O'DONOVAN, T.S. 2017. Heat transfer in a molten salt filled enclosure absorbing concentrated solar radiation. International journal of heat and mass transfer [online], 113, pages 444-455. Available from: https://doi.org/10.1016/j.ijheatmasstransfer.2017.04.028

Numerical simulations of the natural convection driven by the direct absorption of concentrated solar radiation by a high temperature molten salt filled enclosures for height to diameter ratios (H/D) of 0.5, 1 and 2 and Rayleigh numbers 107–1011 is p... Read More about Heat transfer in a molten salt filled enclosure absorbing concentrated solar radiation..

Neutron diffraction residual strain measurements of molybdenum carbide-based solid oxide fuel cell anode layers with metal oxides on Hastelloy X. (2017)
Journal Article
FAISAL, N.H., AHMED, R., PRATHURU, A.K., KATIKANENI, S.P., GOOSEN, M.F.A. and ZHANG, S-Y. 2018. Neutron diffraction residual strain measurements of molybdenum carbide-based solid oxide fuel cell anode layers with metal oxides on Hastelloy X. Experimental mechanics [online], 58(4), pages 585-603. Available from: https://doi.org/10.1007/s11340-017-0298-7

Thermal spray deposition processes impart residual stress in layered Solid Oxide Fuel Cells (SOFC) materials and hence influence the durability and efficiency of the cell. The current study which is the first of its kind, reports results on using a n... Read More about Neutron diffraction residual strain measurements of molybdenum carbide-based solid oxide fuel cell anode layers with metal oxides on Hastelloy X..

The need for a whole life framework in electrical power system asset management and the problems with individual silo like asset management system contributions. (2017)
Journal Article
BRUINERS, J. 2017. The need for a whole life framework in electrical power system asset management and the problems with individual silo like asset management system contributions. Journal of electrical and electronic systems [online], 6(2), article ID 225. Available from: https://doi.org/10.4172/2332-0796.1000225

The asset management of electrical power systems both in industry and academia currently offers up a wide spectrum of engineering practices and guidance to detect, diagnose and to combat asset deterioration. In doing so research largely aims to bette... Read More about The need for a whole life framework in electrical power system asset management and the problems with individual silo like asset management system contributions..

The effect of nanosilica (SiO2) and nanoalumina (Al2O3) reinforced polyester nanocomposites on aerosol nanoparticle emissions into the environment during automated drilling. (2017)
Journal Article
STAROST, K., FRIJNS, E., VAN LAER, J., FAISAL, N., EGIZABAL, A., ELIZEXTEA, C., NEILSSEN, I., BALZQUEZ, M. and NJUGUNA, J. 2017. The effect of nanosilica (SiO2) and nanoalumina (Al2O3) reinforced polyester nanocomposites on aerosol nanoparticle emissions into the environment during automated drilling. Aerosol science and technology [online], 51(9), pages 1035-1046. Available from: https://doi.org/10.1080/02786826.2017.1330535

The aim of this study is to investigate the effect nanosilica and nanoalumina has on nanoparticle release from industrial nanocomposites due to drilling for hazard reduction whilst simultaneously obtaining the necessary mechanical performance. This s... Read More about The effect of nanosilica (SiO2) and nanoalumina (Al2O3) reinforced polyester nanocomposites on aerosol nanoparticle emissions into the environment during automated drilling..

Elaboration of properties of graphene oxide reinforced epoxy nanocomposites. (2017)
Journal Article
BARI, P., KHAN, S., NJUGUNA, J. and MISHRA, S. 2017. Elaboration of properties of graphene oxide reinforced epoxy nanocomposites. International journal of plastics technology [online], 21(1), pages 194-208. Available from: https://doi.org/10.1007/s12588-017-9180-9

In this research work, properties of graphene oxide (GO) based epoxy nanocomposites, prepared via the solution blending method, are elaborated. Different loadings (0.1-0.5 wt%) of GO were added into epoxy resin, and their effects were studied on thei... Read More about Elaboration of properties of graphene oxide reinforced epoxy nanocomposites..

Computational study of nanostructured composite materials for photonic crystal fibre sensors. (2017)
Journal Article
JOHNY, J., PRABHU, R. and FUNG, W.-K. 2016. Computational study of nanostructured composite materials for photonic crystal fibre sensors. IOP conference series: materials science and engineering [online], 195: proceedings of the 3rd International conference on structural nano composites (NANOSTRUC 2016), 12-16 September 2016, Aberdeen, UK, article number 012012. Available from: https://doi.org/10.1088/1757-899X/195/1/012012

Photonic Crystal Fibres (PCFs) developed using nanostructured composite materials provides special optical properties which can revolutionise current optical sensing technologies. The modal and propagation characteristics of the PCF can be tailored b... Read More about Computational study of nanostructured composite materials for photonic crystal fibre sensors..

Synthesis, structural and morphological property of BaSnO3 nanopowder prepared by solid state ceramic method. (2017)
Journal Article
JOHN, J., PILLAI, V.P.M., THOMAS, A.R., PHILIP, R., JOSEPH, J., MUTHUNATESAN, S., RAGAVENDRAN, V. and PRABHU, R. 2016. Synthesis, structural and morphological property of BaSnO3 nanopowder prepared by solid state ceramic method. IOP conference series: materials science and engineering [online], 195: proceedings of the 3rd International conference on structural nano composites (NANOSTRUC 2016), 12-16 September 2016, Aberdeen, UK, article number 012007. Available from: https://doi.org/10.1088/1757-899X/195/1/012007

BaSnO3 is a cubic perovskite-type oxide that behaves as an n-type semiconductor with a wide band gap of 3.4 eV and remains stable at temperatures up to 1000{deg}C. It has wide applications such as thermally stable capacitors, humidity sensors, gas se... Read More about Synthesis, structural and morphological property of BaSnO3 nanopowder prepared by solid state ceramic method..

Tensile and flexural properties of hybrid graphene oxide/epoxy carbon fibre reinforced composites. (2017)
Journal Article
WATSON, G., STAROST, K., BARI, P., FAISAL, N., MISHRA, S. and NJUGUNA, J. 2016. Tensile and flexural properties of hybrid graphene oxide/epoxy carbon fibre reinforced composites. IOP conference series: materials science and engineering [online], 195: proceedings of the 3rd International conference on structural nano composites (NANOSTRUC 2016), 12-16 September 2016, Aberdeen, UK, article number 012009. Available from: https://doi.org/10.1088/1757-899X/195/1/012009

In this study, nano-sized graphene oxide sheets were homogenously dispersed via sonication methods in epoxy followed by vacuum resin infusion for the fabrication of the epoxy, graphene oxide (GO) and micro-sized carbon fibre reinforced nanocomposites... Read More about Tensile and flexural properties of hybrid graphene oxide/epoxy carbon fibre reinforced composites..

Environmental particle emissions due to automated drilling of polypropylene composites and nanocomposites reinforced with talc, montmorillonite and wollastonite. (2017)
Journal Article
STAROST, K., FRIJNS, E., LAER, J.V., FAISAL, N., EGIZABAL, A., ELIZEXTEA, C., NELISSEN, I., BLAZQUEZ, M. and NJUGUNA, J. 2016. Environmental particle emissions due to automated drilling of polypropylene composites and nanocomposites reinforced with talc, montmorillonite and wollastonite. IOP conference series: materials science and engineering [online], 195: proceedings of the 3rd International conference on structural nano composites (NANOSTRUC 2016), 12-16 September 2016, Aberdeen, UK, article number 012011. Available from: https://doi.org/10.1088/1757-899X/195/1/012011

In this study, the effect on nanoparticle emissions due to drilling on Polypropylene (PP) reinforced with 20% talc, 5% montmorillonite (MMT) and 5% Wollastonite (WO) is investigated. The study is the first to explore the nanoparticle release from WO... Read More about Environmental particle emissions due to automated drilling of polypropylene composites and nanocomposites reinforced with talc, montmorillonite and wollastonite..

The 3rd international conference on structural nano composites (NANOSTRUC2016). (2017)
Journal Article
NJUGUNA, J. 2017. The 3rd international conference on structural nano composites (NANOSTRUC2016). IOP conference series: materials science and engineering [online], 195: proceedings of 3rd International conference on structural nano composites (NANOSTRUC2016): Nanoscience and nanotechnologies; recent advances towards nanoproducts and applications, 12-15 September 2016, Aberdeen, UK, article 011001. Available from: https://doi.org/10.1088/1757-899X/195/1/011001

The Robert Gordon University, Aberdeen hosted The NANOSTRUC 2016 in Aberdeen (Scotland, United Kingdom). The conference focused on 'Nanoscience and Nanotechnologies – Recent Advances towards Nanoproducts and Applications'. It promoted activities in v... Read More about The 3rd international conference on structural nano composites (NANOSTRUC2016)..

Oil based drilling fluid waste: an overview on environmentally persistent pollutants. (2017)
Journal Article
SIDDIQUE, S., KWOFFIE, L., ADDAE-AFOAKWA, K., YATES, K. and NJUGUNA, J. 2016. Oil based drilling fluid waste: an overview on environmentally persistent pollutants. IOP conference series: materials science and engineering [online], 195: proceedings of the 3rd International conference on structural nano composites (NANOSTRUC 2016), 12-16 September 2016, Aberdeen, UK, article number 012008. Available from: https://doi.org/10.1088/1757-899X/195/1/012008

Operational discharges of spent drilling fluid, produced water, and accumulated drill cuttings from oil and gas industry are a continuous point source of environmental pollution. To meet the strict environmental standard for waste disposal, oil and g... Read More about Oil based drilling fluid waste: an overview on environmentally persistent pollutants..

Numerical investigation of nanostructured silica PCFs for sensing applications. (2017)
Journal Article
JOHNY, J., PRABHU, R. and FUNG, W.K. 2017. Numerical investigation of nanostructured silica PCFs for sensing applications. JOM: journal of the Minerals, Metals and Materials Society [online], 69(11), pages 2286-2291. Available from: https://doi.org/10.1007/s11837-017-2366-y

Photonic crystal fibers (PCFs) developed using nanostructured composite materials provide special optical properties. PCF light propagation and modal characteristics can be tailored by modifying their structural and material parameters. Structuring a... Read More about Numerical investigation of nanostructured silica PCFs for sensing applications..