All Outputs (87)

Recovery of VOC from onshore and offshore shuttle tankers using structured membranes. (2015)
Conference Proceeding
AJAYI, A., SHEHU, H. and GOBINA, E. 2015. Recovery of VOC from onshore and offshore shuttle tankers using structured membranes. In Ao, S.I., Gelman, L., Hukins, D.W.L., Hunter, A. and Korsunsky, A.M. (eds.) Proceedings of the 2015 World congress on engineering and computer science (WCECS 2015), 21-23 October 2015, San Francisco, USA. Lecture notes in engineering and computer science, 2220. Hong Kong: Newswood Limited [online], pages 637-642. Available from: http://www.iaeng.org/publication/WCECS2015/WCECS2015_pp637-642.pdf

The emissions of volatile organic compounds (VOCs) from onshore offshore facilities are studied and an alternative technology for the recovery of methane, propane and butane by the use of membrane technology is explored. Permeation tests were carried... Read More about Recovery of VOC from onshore and offshore shuttle tankers using structured membranes..

Wear characterizations of polyoxymethylene (POM) reinforced with carbon nanotubes (POM/CNTs) using the paraffin oil dispersion technique. (2015)
Journal Article
YOUSEF, S., VISCO, A.M., GALTIERI, G. and NJUGUNA, J. 2016. Wear characterizations of polyoxymethylene (POM) reinforced with carbon nanotubes (POM/CNTs) using the paraffin oil dispersion technique. JOM: journal of the Minerals, Metals and Materials Society [online], 68(1), pages 288-299. Available from: https://doi.org/10.1007/s11837-015-1674-3

The wear of polyoxymethylene (POM) is considered a key design parameter of polymer gears and some mechanical applications, and it determines the service time span. This work investigates the influence of carbon nanotubes (CNTs) on the specific wear r... Read More about Wear characterizations of polyoxymethylene (POM) reinforced with carbon nanotubes (POM/CNTs) using the paraffin oil dispersion technique..

Statistical error tolerances of partial discharge recognition rates. (2015)
Conference Proceeding
MAS'UD, A.A., ELTAYEB, M., MUHAMMAD-SUKKI, F. and BANI, N.A. 2015. Statistical error tolerances of partial discharge recognition rates. In Proceedings of the Institute of Electrical and Electonic Engineers (IEEE) conference on sustainable utilization and development in engineering and technology (CSUDET 2015), 15-17 October 2015, Selangor, Malaysia. Piscataway: IEEE [online], article ID 7446217. Available from: https://dx.doi.org/10.1109/CSUDET.2015.7446217

This paper compares the statistical error tolerances of the single neural network (SNN) and the ensemble neural network (ENN) recognition efficiencies, when both the SNN and ENN are applied to recognize partial discharge (PD) patterns. Statistical fi... Read More about Statistical error tolerances of partial discharge recognition rates..

Selection of network parameters in wireless control of bilateral teleoperated manipulators. (2015)
Journal Article
MADDAHI, Y., LIAO, S., FUNG, W.-K., HOSSAIN, E. and SEPEHRI, N., 2015. Selection of network parameters in wireless control of bilateral teleoperated manipulators. IEEE transactions on industrial informatics [online], 11(6), pages 1445-1456. Available from: https://doi.org/10.1109/TII.2015.2490625

This paper describes how to establish performance charts for selection of network parameters for effective utilization of a bilateral teleoperated manipulator working under a wireless communication channel. The goal is to construct a set of charts th... Read More about Selection of network parameters in wireless control of bilateral teleoperated manipulators..

A prognostic decision model for offshore wind turbines maintenance. (2015)
Journal Article
SINHA, Y. and STEEL, J.A. 2015. A prognostic decision model for offshore wind turbines maintenance. Wind engineering [online], 39(5), pages 569-578. Available from: https://doi.org/10.1260/0309-524X.39.5.569

Frequent unscheduled random maintenance activities have significantly increased the operating cost of Offshore Wind Turbines (OWT). These activities account for ∼65% of the overall OWT maintenance costs or 23% of the lifetime costs of OWT, equivalent... Read More about A prognostic decision model for offshore wind turbines maintenance..

Solvent effects on lasing characteristics for Rh B laser dye. (2015)
Journal Article
PETER, J., KUMAR, M., ANANAD, V.R., SALEEM, R., SEBASTIAN, A., RADHAKRISHNAN, P., NAMPOORI, V.P.N., VALLABHAN, C.P.G., PRABHU, R. and KAILASNATH, M. 2016. Solvent effects on lasing characteristics for Rh B laser dye. Journal of luminescence [online], 169(Part A), pages 227-232. Available from: https://doi.org/10.1016/j.jlumin.2015.09.002

We demonstrate pulsed, photopumped multimode laser emission in the visible spectral range from rhodamine B dye dissolved in various solvents. The laser emission is characterized by a well-defined, low threshold pump power at which the emission spectr... Read More about Solvent effects on lasing characteristics for Rh B laser dye..

Development of plasma-sprayed molybdenum carbide-based anode layers with various metal oxides for SOFC. (2015)
Journal Article
FAISAL, N.H., AHMED, R., KATIKANENI, S.P., SOUENTIE, S. and GOOSEN, M.F.A. 2015. Development of plasma-sprayed molybdenum carbide-based anode layers with various metal oxides for SOFC. Journal of thermal spray technology [online], 24(8), pages 1415-1428. Available from: https://doi.org/10.1007/s11666-015-0315-2

Air plasma-sprayed (APS) coatings provide an ability to deposit a range of novel fuel cell materials at competitive costs. This work develops three separate types of composite anodes (Mo-Mo2C/Al2O3, Mo-Mo2C/ZrO2, Mo-Mo2C/TiO2) using a combination of... Read More about Development of plasma-sprayed molybdenum carbide-based anode layers with various metal oxides for SOFC..

Influence of Pr doping on the structural, morphological, optical, luminescent and non-linear optical properties of RF-sputtered ZnO films. (2015)
Journal Article
SREEJA SREEDHARAN, R., VINODKUMAR, R., NAVAS, I., PRABHU, R. and PILLAI, V.P.M. 2015. Influence of Pr doping on the structural, morphological, optical, luminescent and non-linear optical properties of RF-sputtered ZnO films. JOM: journal of the Minerals, Metals and Materials Society [online], 68(1), pages 341-350. Available from: https://doi.org/10.1007/s11837-015-1632-0

The effects of Pr doping on the structural, morphological, optical and non-linear optical properties have been investigated. X-ray diffraction and Raman analysis reveals the formation of highly c-axis-oriented films with hexagonal wurtzite structure... Read More about Influence of Pr doping on the structural, morphological, optical, luminescent and non-linear optical properties of RF-sputtered ZnO films..

Experimental verification of the vibro-impact capsule model. (2015)
Journal Article
LIU, Y., PAVLOVSKAIA, E. and WIERCIGROCH, M. 2016. Experimental verification of the vibro-impact capsule model. Nonlinear dynamics [online], 83(1-2), pages 1029-1041. Available from: https://doi.org/10.1007/s11071-015-2385-6

In this paper, an experimental verification of the vibro-impact capsule model proposed by Liu et al. in [1-3] is presented. The capsule dynamics is investigated experimentally by varying the stiffness of the support spring, and the frequency and the... Read More about Experimental verification of the vibro-impact capsule model..

Fuel consumption tabulation in laboratory conditions. (2015)
Journal Article
ALGHADHI, M., BALL, A., KOLLAR, L.E., MISHRA, R. and ASIM, T. 2015. Fuel consumption tabulation in laboratory conditions. International research journal of electronics and computer engineering [online], 1(2), pages 10-14. Available from: https://doi.org/10.24178/irjece.2015.1.2.10

Environmental degradation has come about for a number of factors including the use of fossil fuels in vehicles for everyday use. This paper attempts to understand the relationship between fuel consumption and various engine performance parameters und... Read More about Fuel consumption tabulation in laboratory conditions..

Comparison of contact measurement and free-space radiation measurement of partial discharge signals. (2015)
Conference Proceeding
JABER, A., LAZARIDIS, P., ZHANG, Y., UPTON, D., AHMED, H., KHAN, U., SAEED, B., MATHER, P., VIEIRA, M.F.Q., ATKINSON, R., JUDD, M. and GLOVER, I.A. 2015. Comparison of contact measurement and free-space radiation measurement of partial discharge signals. In Proceedings of 21st International conference on automation and computing 2015 (ICAC 2015), 11-12 September 2015, Glasgow, UK. Piscataway: IEEE [online], article ID 7313955. Available from: https://doi.org/10.1109/IConAC.2015.7313955

Two partial discharge (PD) measurement techniques, a contact measurement technique (similar to the IEC 60270 standard measurement) and a free-space radiation (FSR) measurement technique, are compared for the case of a floating electrode PD source. Th... Read More about Comparison of contact measurement and free-space radiation measurement of partial discharge signals..

Modular multilevel converter based LCL DC/DC converter for high power DC transmission grids. (2015)
Presentation / Conference
ABOUSHADY, A.A., AHMED, K.H. and JOVCIC, D. 2015. Modular multilevel converter based LCL DC/DC converter for high power DC transmission grids. Presented at the 17th European conference on power electronics and applications (EPE 2015 ECCE Europe), 8-10 September 2015, Geneva, Switzerland.

This paper presents a modular multilevel converter (MMC) based DC/DC converter with LCL inner circuit for HVDC transmission and DC grids. Three main design challenges are addressed. The first challenge is the use of MMCs with higher operating frequen... Read More about Modular multilevel converter based LCL DC/DC converter for high power DC transmission grids..

Resin characterization and tubular membrane transport with single gases for ethyl lactate separations for industrial purposes. (2015)
Journal Article
OKON, E., SHEHU, H., NWOGU, N., KAJAMA, M., ORAKWE, I. and GOBINA, E. 2015. Resin characterization and tubular membrane transport with single gases for ethyl lactate separations for industrial purposes. Journal of materials science and chemical engineering [online], 3(9), pages 8-14. Available from: https://doi.org/10.4236/msce.2015.39002

The dip-coating method has been used to prepare silica membrane. The gas flow rate relationship with the gauge pressure showed a Knudsen type of mechanism of gas transport. The flux was found to decrease with respect to temperature indicating non-act... Read More about Resin characterization and tubular membrane transport with single gases for ethyl lactate separations for industrial purposes..

Futuristic nanomaterials and composites: part I. (2015)
Journal Article
LEHMHUS, D., NJUGUNA, J. and PARAMSOTHY, M. 2015. Futuristic nanomaterials and composites: part I. JOM: journal of the Minerals, Metals and Materials Society [online], 67(12), pages 2844-2847. Available from: https://doi.org/10.1007/s11837-015-1619-x

The present special topic 'Futuristic Nanomaterials and Composites: Part I' captures the structural as well as functional aspects of nanomaterials and nanocomposites that are unique in some specific way when compared to their microscale counterparts.... Read More about Futuristic nanomaterials and composites: part I..

Optimisation of the performance of a novel rotationally asymmetrical optical concentrator design for building integrated photovoltaic system. (2015)
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. and YUNUS, N.M. 2015. Optimisation of the performance of a novel rotationally asymmetrical optical concentrator design for building integrated photovoltaic system. Energy [online], 90(Part 1), pages 1033-1045. Available from: https://doi.org/10.1016/j.energy.2015.07.133

Solar energy is one of the renewable energy sources that has shown promising potential in addressing the world's energy needs, particularly via the solar PV (photovoltaic) technology. However, the high cost of installation is still being considered a... Read More about Optimisation of the performance of a novel rotationally asymmetrical optical concentrator design for building integrated photovoltaic system..

Characteristics of electroluminescence phenomenon in virgin and thermally aged LDPE. (2015)
Conference Proceeding
BANI, N.A., ABDUL-MALEK, Z., AHMAD, H., MUHAMMAD-SUKKI, F. and MAS'UD, A.A. 2015. Characteristics of electroluminescence phenomenon in virgin and thermally aged LDPE. In Winie, T., Subban, R.H.Y. and Muhammad, F.H. (eds.) Proceedings of the 2015 international conference on applied sciences and industrial technology (ICASIT2015): physics and materials symposium, 24-26 February 2015, Negeri Sembilan, Malaysia. AIP conference proceedings, 1674. Melville, NY: AIP Publishing [online], paper 020005. Available from: https://doi.org/10.1063/1.4928822

High voltage cable requires a good insulating material such as low density polyethylene (LDPE) to be able to operate efficiently in high voltage stresses and high temperature environment. However, any polymeric material will experience degradation af... Read More about Characteristics of electroluminescence phenomenon in virgin and thermally aged LDPE..

Hydrogen separation using Pt-alumina impregnated membrane. (2015)
Journal Article
KAJAMA, M.N., NWOGU, N.C., OKON, E.O., SHEHU, H., ORAKWE, I. and GOBINA, E. 2015. Hydrogen separation using Pt-alumina impregnated membrane. Energy and power engineering [online], 7(9), pages 412-417. Available from: https://doi.org/10.4236/epe.2015.79039

A tubular commercial mesoporous support was used to prepare a Pt impregnated membrane using the reservoir method and tested for moderate temperature (300 C) gas transport of hydrogen (H2), helium (He) and nitrogen (N2) gas molecules. H2 and N2 gas pe... Read More about Hydrogen separation using Pt-alumina impregnated membrane..

High molecular permeance dual-layer ceramic membrane for capturing CO2 from flue gas stream. (2015)
Journal Article
NWOGU, N.C., KAJAMA, M.A., ORAKWE, I. and GOBINA, E. 2015. High molecular permeance dual-layer ceramic membrane for capturing CO2 from flue gas stream. Energy and power engineering [online], 7(9), pages 418-425. Available from: https://doi.org/10.4236/epe.2015.79040

With the objective to create technologically advanced materials to be scientifically applicable, dual-layer silica alumina membranes were molecularly fabricated by continuous surface coating silica layers containing hybrid material onto a ceramic por... Read More about High molecular permeance dual-layer ceramic membrane for capturing CO2 from flue gas stream..

Reduced graphene oxide wrapped Cu2O supported on C3N4: an efficient visible light responsive semiconductor photocatalyst. (2015)
Journal Article
GANESH BABU, S., VINOTH, R., SURYA NARAYANA, P., BAHNEMANN, D. and NEPPOLIAN, B. 2015. Reduced graphene oxide wrapped Cu2O supported on C3N4: an efficient visible light responsive semiconductor photocatalyst. APL materials [online], 3(10), article number 104415. Available from: https://doi.org/10.1063/1.4928286

Herein, Cu2O spheres were prepared and encapsulated with reduced graphene oxide (rGO). The Cu2O–rGO–C3N4 composite covered the whole solar spectrum with significant absorption intensity. rGO-wrapped Cu2O loading caused a red shift in the absorption w... Read More about Reduced graphene oxide wrapped Cu2O supported on C3N4: an efficient visible light responsive semiconductor photocatalyst..

A study of gas diffusion characteristics on a micro porous composite silica ceramic membrane. (2015)
Journal Article
NWOGU, N.C., KAJAMA, M. and GOBINA, E. 2015. A study of gas diffusion characteristics on a micro porous composite silica ceramic membrane. Composite structures [online], 134, pages 1044-1050. Available from: https://doi.org/10.1016/j.compstruct.2015.07.121

The purpose of this study is to investigate gas permeation behaviour of five gases (CO2, He, H2, N2 and Ar) across two silica modified ceramic membranes, Membrane Y and Membrane Z. An examination of the variations in their layer thickness and flow ra... Read More about A study of gas diffusion characteristics on a micro porous composite silica ceramic membrane..