All Outputs (640)

CFD based investigations for the design of severe service control valves used in energy systems. (2017)
Journal Article
ASIM, T., CHARLTON, M. and MISHRA., R. 2017. CFD based investigations for the design of severe service control valves used in energy systems. Energy conversion and management [online], 153, pages 288-303. Available from: https://doi.org/10.1016/j.enconman.2017.10.012

Multistage severe service control valves are extensively used in various energy systems, such as oil & gas, nuclear etc. The primary purpose of such valves is to control the amount of fluid flow passing through them under extreme pressure changes. As... Read More about CFD based investigations for the design of severe service control valves used in energy systems..

Natural convective heat transfer in a walled CCPC with PV cell. (2017)
Journal Article
LI, W., PAUL, M.C., SELLAMI, N., MALLICK, T.K. and KNOX, A.R. 2017. Natural convective heat transfer in a walled CCPC with PV cell. Case studies in thermal engineering [online], 10, pages 499-516. Available from: https://doi.org/10.1016/j.csite.2017.10.009

The free convective heat transfer phenomenon in an isolated, walled CCPC with PV cell is studied experimentally at 1000 W/m2 irradiance and 28.5 {deg}C ambient temperature as well as 0{deg}, 10{deg}, 20{deg}, 30{deg} and 40{deg} incidences in indoor... Read More about Natural convective heat transfer in a walled CCPC with PV cell..

Corrosion properties of anodized titanium. (2017)
Journal Article
HLINKA, J., LASEK, S. and FAISAL, N. 2017. Corrosion properties of anodized titanium. Acta metallurgica Slovaca [online], 23(3), pages 270-275. Available from: https://doi.org/10.12776/ams.v23i3.982

In this paper corrosion properties and microstructure features of amorphous self-organised TiO2 nanotubes electrochemically deposited on titanium are discussed. There was titanium of second grade used as a substrate for these experiments. There was a... Read More about Corrosion properties of anodized titanium..

Novel esterification reaction from biomass product by coupled acetate membrane and catalysts for ethyl lactate separation. (2017)
Journal Article
OKON, E., SHEHU, H. and GOBINA, E. 2018. Novel esterification reaction from biomass product by coupled acetate membrane and catalysts for ethyl lactate separation. International journal of hydrogen energy [online], 43(15), pages 7703-7712. Available from: https://doi.org/10.1016/j.ijhydene.2017.07.230

This study presents the effect of combined membrane separation and heterogeneous catalysts for the production of ethyl lactate solvent. The enhanced process is a flat sheet cellulose acetate membrane and cation-exchange resin catalysts. A methodology... Read More about Novel esterification reaction from biomass product by coupled acetate membrane and catalysts for ethyl lactate separation..

Operational space control of a lightweight robotic arm actuated by shape memory alloy wires: a comparative study. (2017)
Journal Article
QUINTANAR-GUZMÁN, S., KANNAN, S., AGUILERA-GONZÁLEZ, A., OLIVARES-MENDEZ, M.A. and VOOS, H. 2019. Operational space control of a lightweight robotic arm actuated by shape memory alloy wires: a comparative study. Journal of intelligent material systems and structures [online], 30(9), pages 1368-1384. Available from: https://doi.org/10.1177/1045389x17721050

This article presents the design and control of a two-link lightweight robotic arm using shape memory alloy wires as actuators. Both a single-wire actuated system and an antagonistic configuration system are tested in open and closed loops. The mathe... Read More about Operational space control of a lightweight robotic arm actuated by shape memory alloy wires: a comparative study..

Novel zeolite-polyurethane membrane for environmental applications and gas separations. (2017)
Journal Article
SHEHU, H., OKON, E. and GOBINA, E. 2017. Novel zeolite-polyurethane membrane for environmental applications and gas separations. Materiaux and techniques [online], 105(2), article number 205. Available from: https://doi.org/10.1051/mattech/2017031

This research work investigates the effect of polyurethane polymer on the separation of CO2, CH4 and C3H8 through a zeolite/polyurethane mixed matrix membrane. A methodology based on the modification of porous ceramic inorganic support with the aim t... Read More about Novel zeolite-polyurethane membrane for environmental applications and gas separations..

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..

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)..