All Outputs (702)

LED-controlled tuning of ZnO nanowires' wettability for biosensing applications. (2015)
Journal Article
BHAVSAR, K., ROSS, D., PRABHU, R. and POLLARD, P. 2014. LED-controlled tuning of ZnO nanowires' wettability for biosensing applications. Nano reviews [online], 6, Article 26711. Available from:https://doi.org/10.3402/nano.v6.26711

Background: Wettability is an important property of solid materials which can be controlled by surface energy. Dynamic control over the surface wettability is of great importance for biosensing applications. Zinc oxide (ZnO) is a biocompatible materi... Read More about LED-controlled tuning of ZnO nanowires' wettability for biosensing applications..

Role of feed-in tariff policy in promoting solar photovoltaic investments in Malaysia: a system dynamics approach. (2015)
Journal Article
AHMAD, S., TAHAR, R.M., MUHAMMAD-SUKKI, F., MUNIR, A.B. and RAHIM, R.A. 2015. Role of feed-in tariff policy in promoting solar photovoltaic investments in Malaysia: a system dynamics approach. Energy [online], 84, pages 808-815. Available from: https://doi.org/10.1016/j.energy.2015.03.047

Solar photovoltaic has shown a significant rise in terms of worldwide installation. One of the main reason is due to the introduction of the FiT (feed-in tariff) policy by the governments. This paper aims to evaluate FiT policy in promoting solar PV... Read More about Role of feed-in tariff policy in promoting solar photovoltaic investments in Malaysia: a system dynamics approach..

Method to discard partial discharge (PD) pulses from neighboring high voltage equipment. (2015)
Journal Article
MOHAMED, F.P., SIEW, W.H., STRACHAN, S.S., AYUB, A.S. and MCLELLAN, K. 2015. Method to discard partial discharge (PD) pulses from neighboring high voltage equipment. High voltage engineering [online], 4, pages 1125-1131. Available from: http://caod.oriprobe.com/articles/44523683/Method_to_Discard_Partial_Discharge_Pulses_from_Neighboring_High_Volta.htm

On-line partial discharge (PD) diagnostics data are corrupted by various noise sources and this makes it more challenging to extract the PD signal contained in the raw data. Though the noise sources can be filtered out using signal processing techniq... Read More about Method to discard partial discharge (PD) pulses from neighboring high voltage equipment..

Monitoring acoustic emission (AE) energy in slurry impingement using a new model for particle impact. (2015)
Journal Article
DROUBI, M.G., REUBEN, R.L. and WHITE, G. 2015. Monitoring acoustic emission (AE) energy in slurry impingement using a new model for particle impact. Mechanical systems and signal processing [online], 62-63, pages 415-430. Available from: https://doi.org/10.1016/j.ymssp.2015.01.023

A series of systematic impact tests have been carried out to investigate the influence of particle size, free stream velocity, particle impact angle, and nominal particle concentration on the amount of energy dissipated in a carbon steel target using... Read More about Monitoring acoustic emission (AE) energy in slurry impingement using a new model for particle impact..

Highly textured and transparent RF sputtered Eu2O3 doped ZnO films. (2015)
Journal Article
SREEDHARAN, R. S., GANESAN, V., SUDARSANAKUMAR, C. P., BHAVSAR, K., PRAHBU, R. and PILLAI, V.P.P.M., 2015. Highly textured and transparent RF sputtered Eu2O3 doped ZnO films. Nano reviews [online], 6, Article 26759. Available from: https://doi.org/10.3402/nano.v6.26759

Background: Zinc oxide (ZnO) is a wide, direct band gap II-VI oxide semiconductor. ZnO has large exciton binding energy at room temperature, and it is a good host material for obtaining visible and infrared emission of various rare-earth ions. Method... Read More about Highly textured and transparent RF sputtered Eu2O3 doped ZnO films..

The prospect of deepwater heavy oil production using CO2-EOR. (2015)
Journal Article
TCHAMBAK, E., OYENEYIN, B. and OLUYEMI, G. 2015. The prospect of deepwater heavy oil production using CO2-EOR. Energy sources, part A: recovery, utilization and environmental effects [online], 37(3), pages 318-325. Available from: https://doi.org/10.1080/15567036.2011.585373

The prospect of unconventional oil development has long been coming to offset the rapid decline of conventional crude. And looking ahead, the worry is already turning away from the onshore exploitation to the challenging offshore environment, with th... Read More about The prospect of deepwater heavy oil production using CO2-EOR..

Angular dependent light emission from planar waveguides. (2015)
Journal Article
PETER, J., PRABHU, R., RADHAKRISHNAN, P., VALLABHAN, C.P.G., NAMPOORI, V.P.N. and KAILASNATH, M. 2015. Angular dependent light emission from planar waveguides. Journal of applied physics, 117(1), Article 015301. Available from: https://doi.org/10.1063/1.4905011

We have investigated the angular dependence of amplified spontaneous emission (ASE) and laser emission from an asymmetric and free-standing polymer thin films doped with rhodamine 6G, which is transversely pumped by a pulsed Nd:YAG laser. A semi-leak... Read More about Angular dependent light emission from planar waveguides..

Suppressing stick-slip oscillations in underactuated multibody drill-strings with parametric uncertainties using sliding-mode control. (2015)
Journal Article
LIU, Y. 2015. Suppressing stick-slip oscillations in underactuated multibody drill-strings with parametric uncertainties using sliding-mode control. IET control theory and applications [online], 9(1), pages 91-102. Available from: https://doi.org/10.1049/iet-cta.2014.0329

Stabilisation of multibody drill-strings which exhibit stick-slip oscillations is studied in this paper from the point of view of underactuated system. The model has one control torque input acting on the rotary table from the land surface and multi-... Read More about Suppressing stick-slip oscillations in underactuated multibody drill-strings with parametric uncertainties using sliding-mode control..

Injection behaviour of fractured reservoirs at near wellbore and far field areas: a CFD study. (2014)
Journal Article
OLUYEMI, G.F., KANIN, L. and NAIR, A. 2014. Injection behaviour of fractured reservoirs at near wellbore and far field areas: a CFD study. International journal of fluid mechanics research [online], 41(6), pages 536-546. Available from: https://doi.org/10.1615/InterJFluidMechRes.v41.i6.60

Flow partitioning in fractured reservoirs especially during injection and production operations poses a great challenge to the optimisation of these important field operations. For example, flow partitioning into the fracture from the matrix may limi... Read More about Injection behaviour of fractured reservoirs at near wellbore and far field areas: a CFD study..

FEM analysis to optimally design end mill cutters for milling of Ti-6Al-4V. (2014)
Journal Article
KUMAR, V., EAKAMBARAM, A. and ARIVAZHAGAN, A. 2014. FEM analysis to optimally design end mill cutters for milling of Ti-6Al-4 V. Procedia engineering [online], 97: proceedings of 12th Global congress on manufacturing and management 2014 (GCMM 2014), 8-10 December 2014, Vellore, India, pages 1237-1246. Available from: https://doi.org/10.1016/j.proeng.2014.12.402

This paper presents an FEM analysis conducted for optimally designing end mill cutters through verifying the cutting tool forces and stresses for milling Titanium alloy Ti-6Al-4 V. Initially, the theoretical tool forces are calculated by considering... Read More about FEM analysis to optimally design end mill cutters for milling of Ti-6Al-4V..

Twinning anisotropy of tantalum during nanoindentation. (2014)
Journal Article
GOEL, S., BEAKE, B., CHAN, C.-W., FAISAL, N.H. and DUNNE, N. 2015. Twinning anisotropy of tantalum during nanoindentation. Materials science and engineering: A [online], 627, pages 249-261. Available from: https://doi.org/10.1016/j.msea.2014.12.075

Unlike other BCC metals, the plastic deformation of nanocrystalline Tantalum (Ta) during compression is regulated by deformation twinning. Whether or not this twinning exhibits anisotropy was investigated through simulation of displacement-controlled... Read More about Twinning anisotropy of tantalum during nanoindentation..

Natural convection flow and heat transfer in an enclosure containing staggered arrangement of blockages. (2014)
Journal Article
IYI, D. and HASAN, R. 2015. Natural convection flow and heat transfer in an enclosure containging staggered arragement of blockages. Procedia engineering [online], 105: proceedings of the 6th BSME international conference on thermal engineering (ICTE 2014), 19-21 December 2014, Dhaka, Bangladesh, pages 176-183. Available from: https://doi.org/10.1016/j.proeng.2015.05.033

The work reported in this paper is a numerical study of airflow and heat transfer for low turbulence buoyancy-driven flow in a rectangular cavity partially filled with solid objects. The two vertical walls were maintained at constant temperatures giv... Read More about Natural convection flow and heat transfer in an enclosure containing staggered arrangement of blockages..

Renewable energy potentials in Cameroon: prospects and challenges. (2014)
Journal Article
WIRBA, A.V., MAS'UD, A.A., MUHAMMAD-SUKKI, F., AHMAD, S., TAHAR, R.M., RAHIM, R.A., MUNIR, A.B. and KARIM, M.E. 2015. Renewable energy potentials in Cameroon: prospects and challenges. Renewable energy [online], 76, pages 560-565. Available from: https://doi.org/10.1016/j.renene.2014.11.083

This paper aims at discussing the renewable energy potentials in delivering parts of the energy needs in Cameroon. The country has an enormous renewable energy potential. The lack of clear renewable energy policy in the mix is an issue that needs to... Read More about Renewable energy potentials in Cameroon: prospects and challenges..

Effect of emissivity on the heat and mass transfer of humid air in a cavity filled with solid obstacles. (2014)
Journal Article
IYI, D., HASAN, R. and PENLINGTON, R. 2015. Effect of emissivity on the heat and mass transfer of humid air in a cavity filled with solid obstacles. Numerical heat transfer, part A: applications [online], 67(5), pages 531-546. Available from: https://doi.org/10.1080/10407782.2014.937261

The work reported here is a 2D numerical study on the buoyancy-driven low-speed turbulent flow of humid air inside a rectangular cavity partially filled with solid cylindrical objects for a Rayleigh number of 1.45 × 109. Variations of Nusselt number,... Read More about Effect of emissivity on the heat and mass transfer of humid air in a cavity filled with solid obstacles..

Evolution of economic development aims: assessment of the smart growth. (2014)
Journal Article
KURUSHINA, E.V. and KURUSHINA, V.A. 2014. Evolution of economic development aims: assessment of the smart growth. Life science journal [online], 11(11), pages 517-521. Available from: https://doi.org/10.7537/marslsj111114.88

The paper investigated the global trends of changing aims for evaluating economic development. Approaches to assessing the level of innovation are systematized. Classifications of innovations are given. The approach to the assessment of smart growth... Read More about Evolution of economic development aims: assessment of the smart growth..

Dynamics of rising CO2 bubble plumes in the QICS field experiment: part 2; modelling. (2014)
Journal Article
DEWAR, M., SELLAMI, N. and CHEN, B. 2015. Dynamics of rising CO2 bubble plumes in the QICS field experiment: part 2; modelling. International journal of greenhouse gas control [online], 38, pages 52-63. Available from: https://doi.org/10.1016/j.ijggc.2014.11.003

An oceanic two-phase plume model is developed to include bubble size distribution and bubble interactions, applied to the prediction of CO2 bubble plume and CO2 solution dynamics observed from the recent QICS field experiment in the Scottish sea at A... Read More about Dynamics of rising CO2 bubble plumes in the QICS field experiment: part 2; modelling..

Synthesis of gas transport through nano composite ceramic membrane for esterification and volatile organic compound separations. (2014)
Journal Article
OKON, E., SHEHU, H. and GOBINA, E. 2014. Synthesis of gas transport through nano composite ceramic membrane for esterification and volatile organic compound separations. Journal of mechanics engineering and automation [online], 4(11), pages 905-913. Available from: https://doi.org/10.17265/2161-623X/2014.11.007

The transport behaviour of carrier gases with inorganic catalytic ceramic membrane used for ethyl lactate production and VOC (volatile organic compound) recovery in the gauge pressure range of 0.10-1.00 bar and temperature range of 333 K was investig... Read More about Synthesis of gas transport through nano composite ceramic membrane for esterification and volatile organic compound separations..

Sliding wear investigation of suspension sprayed WC-Co nanocomposite coatings. (2014)
Journal Article
AHMED, R., ALI, O., FAISAL, N.H., AL-ANAZI, N.M., AL-MUTAIRI, S., TOMA, F.-L., BERGER, L.-M., POTTHOFF, A. and GOOSEN, M.F.A. 2015. Sliding wear investigation of suspension sprayed WC-Co nanocomposite coatings. Wear [online], 322-323, pages 133-150. Available from: https://doi.org/10.1016/j.wear.2014.10.021

Sliding wear evaluation of nanostructured coatings deposited by Suspension High Velocity Oxy-Fuel (S-HVOF) and conventional HVOF (Jet Kote (HVOF-JK) and JP5000 (HVOF-JP)) spraying were evaluated. S-HVOF coatings were nanostructured and deposited via... Read More about Sliding wear investigation of suspension sprayed WC-Co nanocomposite coatings..

Structure property relationship of suspension thermally sprayed WC-Co nanocomposite coatings. (2014)
Journal Article
AHMED, R., FAISAL, N.H., AL-ANAZI, N.M., AL-MUTAIRI, S., TOMA, F.-L., BERGER, L.-M., POTTHOFF, A., POLYCHRONIADIS, E.K., SALL, M., CHALIAMPALIAS, D. and GOOSEN, M.F.A. 2015. Structure property relationship of suspension thermally sprayed WC-Co nanocomposite coatings. Journal of thermal spray technology [online], 24(3), pages 357-377. Available from: https://doi.org/10.1007/s11666-014-0174-2

Tribomechanical properties of nanostructured coatings deposited by suspension high velocity oxy-fuel (S-HVOF) and conventional HVOF (Jet Kote) spraying were evaluated. Nanostructured S-HVOF coatings were obtained via ball milling of the agglomerated... Read More about Structure property relationship of suspension thermally sprayed WC-Co nanocomposite coatings..

A progressive study into offshore wind farm maintenance optimisation using risk based failure analysis. (2014)
Journal Article
SINHA, Y. and STEEL, J.A. 2015. A progressive study into offshore wind farm maintenance optimisation using risk based failure analysis. Renewable and sustainable energy reviews [online], 42, pages 735-742. Available from: https://doi.org/10.1016/j.rser.2014.10.087

Offshore Wind Farm consists of an array of Wind Turbines electrical, communication, command and control systems. At present the cost of maintaining Wind Turbines in the offshore locations is very high (about 35% of lifetime costs). This work puts emp... Read More about A progressive study into offshore wind farm maintenance optimisation using risk based failure analysis..