All Outputs (640)

Developing a solar calculator system. (2014)
Journal Article
MUHAMMAD-SUKKI, S., KHAN, M.T.K.M.N., ZEKI, A.M., ABUBAKAR, A. and MUHAMMAD-SUKKI, F. 2014. Developing a solar calculator system. Advanced materials research [online], 980, pages 179-183. Available from: https://doi.org/10.4028/www.scientific.net/AMR.980.179

There is a rapid increase in global warming over the years. This follows with continues campaign on reducing the energy consumption and protecting the earth against climate change. The Feed-In Tariff (FiT) program was introduced to encourage people t... Read More about Developing a solar calculator system..

Double skin façade: modelling technique and influence of venetian blinds on the airflow and heat transfer. (2014)
Journal Article
IYI, D., HASAN, R., PENLINGTON, R. and UNDERWOOD, C. 2014. Double skin façade: modelling technique and influence of venetian blinds on the airflow and heat transfer. Applied thermal engineering [online], 71(1), pages 219-229. Available from: https://doi.org/10.1016/j.applthermaleng.2014.06.024

The demand to reduce building cooling load and annual energy consumption can be optimised with the use of Double Skin Facade (DSF). Computational Fluid Dynamics (CFD) methods are frequently used for the analysis of heat transfer through DSF. However,... Read More about Double skin façade: modelling technique and influence of venetian blinds on the airflow and heat transfer..

Nanoindentation of polysilicon and single crystal silicon: molecular dynamics simulation and experimental validation. (2014)
Journal Article
GOEL, S., FAISAL, N.H., LUO, X., YAN, J. and AGRAWAL, A. 2014. Nanoindentation of polysilicon and single crystal silicon: molecular dynamics simulation and experimental validation. Journal of physics D: applied physics [online], 47(27), article number 275304. Available from: https://doi.org/10.1088/0022-3727/47/27/275304

This paper presents novel advances in the deformation behaviour of polycrystalline and single crystal silicon using molecular dynamics (MD) simulation and validation of the same via nanoindentation experiments. In order to unravel the mechanism of de... Read More about Nanoindentation of polysilicon and single crystal silicon: molecular dynamics simulation and experimental validation..

The effect of matrix and reinforcement material selection on the tensile properties of hybrid composites. (2014)
Journal Article
SILVA, F., SACHSE, S., ZHU, H., PIELICHOWSKI, K., LESZCZYNSKA, A. and NJUGUNA, J. 2014. The effect of matrix and reinforcement material selection on the tensile properties of hybrid composites. Journal of sustainable mobility, 1(1), pages 37-52. Available from: https://doi.org/10.9774/GLEAF.2350.2014.00005

In order to develop advanced materials as lightweight structures three-phased composites were prepared using nano-fillers, nano-silica (nano-SiO2) and nano-clay and micro glass-spheres to reinforce two kinds of glass-fibre reinforced thermoplastic ma... Read More about The effect of matrix and reinforcement material selection on the tensile properties of hybrid composites..

Cost modelling to support optimised selection of the end of life options for automotive components. (2014)
Journal Article
XU, Y., SANCHEZ, J.F. and NJUGUNA, J. 2014. Cost modelling to support optimised selection of the end of life options for automotive components. International journal of advanced manufacturing technology [online], 73(1-4), pages 399-407. Available from: https://doi.org/10.1007/s00170-014-5804-9

In automotive sector, the End-of-Life components, especially the uni-material components e.g. steel, plastics etc., traditionally normally go to material recycling. However, this conventional disposing approach has nowadays moved towards the secondar... Read More about Cost modelling to support optimised selection of the end of life options for automotive components..

Mathematical modelling of quantum yield enhancements of methyl orange photooxidation in aqueous TiO2 suspensions under controlled periodic UV LED illumination. (2014)
Journal Article
TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2014. Mathematical modelling of quantum yield enhancements of methyl orange photooxidation in aqueous TiO2 suspensions under controlled periodic UV LED illumination. Applied catalysis B: environmental [online], 156-157, pages 398-403. Available from: https://doi.org/10.1016/j.apcatb.2014.03.046

Quantum yields of the photocatalytic degradation of methyl orange under controlled periodic illumination (CPI) have been modelled using existing models. A modified Langmuir-Hinshelwood (L-H) rate equation was used to predict the degradation reaction... Read More about Mathematical modelling of quantum yield enhancements of methyl orange photooxidation in aqueous TiO2 suspensions under controlled periodic UV LED illumination..

Can a carbon nano-coating resist metallic phase transformation in silicon substrate during nanoimpact? (2014)
Journal Article
GOEL, S., AGRAWAL, A. and FAISAL, N.H. 2014. Can a carbon nano-coating resist metallic phase transformation in silicon substrate during nanoimpact? Wear [online], 315(1-2), pages 38-41. Available from: https://doi.org/10.1016/j.wear.2014.03.009

Nanomechanical response of a silicon specimen coated with a sp3 crystalline carbon coating (1.8nm thickness) was investigated using MD simulation. A sharp conical rigid tip was impacted at the speed of 50m/s up to a depth of ~80% of the coating thick... Read More about Can a carbon nano-coating resist metallic phase transformation in silicon substrate during nanoimpact?.

Feed-in tariff for solar photovoltaic: the rise of Japan. (2014)
Journal Article
MUHAMMAD-SUKKI, F., ABU-BAKAR, S.H., MUNIR, A.B., YASIN, S.H.M., RAMIREZ-INIGUEZ, R., MCMEEKIN, S.G., STEWART, B.G., SARMAH, N., MALLICK, T.K., RAHIM, R.A., KARIM, M.E., AHMAD, S. and TAHAR, R.M. 2014. Feed-in tariff for solar photovoltaic: the rise of Japan. Renewable energy [online], 68, pages 636-643. Available from: https://doi.org/10.1016/j.renene.2014.03.012

Japan started implementing a national Feed-In Tariff (FiT) mechanism on the 1st July 2012, which included specific payment tariffs for solar photovoltaic (PV) installations. This marks a new era in the renewable energy landscape in Japan. This paper... Read More about Feed-in tariff for solar photovoltaic: the rise of Japan..

The effect of pH on the photonic efficiency of the destruction of methyl orange under controlled periodic illumination with UV-LED sources. (2014)
Journal Article
TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2014. The effect of pH on the photonic efficiency of the destruction of methyl orange under controlled periodic illumination with UV-LED sources. Chemical engineering journal [online], 246, pages 337-342. Available from: https://doi.org/10.1016/j.cej.2014.03.002

The nature of photon interaction and reaction pH can have significant impacts on semiconductor photocatalysis. This paper describes the effect of pH on the photonic efficiency of photocatalytic reactions in the aqueous phase using TiO2 catalysts. The... Read More about The effect of pH on the photonic efficiency of the destruction of methyl orange under controlled periodic illumination with UV-LED sources..

Single asperity nanoscratch behaviour of HIPed and cast Stellite 6 alloys. (2014)
Journal Article
AHMED, R., ASHRAF, A., ELAMEEN, M., FAISAL, N.H., EL-SHERIK, A.M., ELAKWAH, Y.O. and GOOSEN, M.F.A. 2014. Single asperity nanoscratch behaviour of HIPed and cast Stellite 6 alloys. Wear [online], 312(1-2), pages 70-82. Available from: https://doi.org/10.1016/j.wear.2014.02.006

The aim of this study was to investigate the nanoscale sliding wear behaviour of re-HIPed (Hot Isostatically Pressed) and cast cobalt-based Stellite 6 alloys. A nanoindentation system equipped with a wear testing module was used to simulate single as... Read More about Single asperity nanoscratch behaviour of HIPed and cast Stellite 6 alloys..

Effect of nanofillers on low energy impact performance of sandwich structures with nanoreinforced polyurethane foam cores. (2014)
Journal Article
SACHSE, S., PORURI, M., SILVA, F., MICHALOWSKI, S., PIELICHOWSKI, K. and NJUGUNA, J. 2014. Effect of nanofillers on low energy impact performance of sandwich structures with nanoreinforced polyurethane foam cores. Journal of sandwich structures and materials [online], 16(2), pages 173-194. Available from: https://doi.org/10.1177/1099636213512497

Sandwich panels were fabricated with nanoclay-filled polyurethane foams and glass fiber-reinforced polyamide and polypropylenes face sheets. Nanoclay-filled foam cores, with organophilic montmorillonite loadings of 0-10 wt%, were synthesized through... Read More about Effect of nanofillers on low energy impact performance of sandwich structures with nanoreinforced polyurethane foam cores..

Influence of test methodology and probe geometry on nanoscale fatigue failure of diamond-like carbon film. (2014)
Journal Article
FAISAL, N.H., AHMED, R., GOEL, S. and FU, Y.Q. 2014. Influence of test methodology and probe geometry on nanoscale fatigue failure of diamond-like carbon film. Surface and coatings technology [online], 242, pages 42-53. Available from: https://doi.org/10.1016/j.surfcoat.2014.01.015

The aim of this paper is to investigate the mechanism of nanoscale fatigue using nano-impact and multiple-loading cycle nanoindentation tests, and compare it to previously reported findings of nanoscale fatigue using integrated stiffness and depth se... Read More about Influence of test methodology and probe geometry on nanoscale fatigue failure of diamond-like carbon film..

Assessment of temporal dose-toxicity relationship of fumed silica nanoparticle in human lung A549 cells by conventional cytotoxicity and 1H-NMR-based extracellular metabonomic assays. (2014)
Journal Article
IRFAN, A., CAUCHI, M., EDMANDS, W., GOODERHAM, N. J., NJUGUNA, J. and ZHU, H. 2014. Assessment of temporal dose-toxicity relationship of fumed silica nanoparticle in human lung A549 cells by conventional cytotoxicity and 1H-NMR-based extracellular metabonomic assays. Toxicological sciences [online], 138 (2), pages 354-364. Available from: https://doi.org/10.1093/toxsci/kfu009

As nanoparticles could form aggregates in biological systems, the dynamics of their dispersity drives the temporal effect of nanoparticles in vitro. To test this hypothesis, the fumed silica nanoparticles (SiNPs) that have primary sizes of 7-14 nm an... Read More about Assessment of temporal dose-toxicity relationship of fumed silica nanoparticle in human lung A549 cells by conventional cytotoxicity and 1H-NMR-based extracellular metabonomic assays..

Progress of feed-in tariff in Malaysia: a year after. (2014)
Journal Article
MUHAMMAD-SUKKI, F., ABU-BAKAR, S.H., MUNIR, A.B., YASIN, S.H.M., RAMIREZ-INIGUEZ, R., MCMEEKIN, S.G., STEWART, B.G. and RAHIM, R.A. 2013. Progress of feed-in tariff in Malaysia: a year after. Energy policy [online], 67, pages 618-625. Available from: https://doi.org/10.1016/j.enpol.2013.12.044

Malaysia enacted the Renewable Energy Act in April 2011. One of its important components is the feed-in tariff (FiT) scheme, launched in December 2011. The scheme is managed and administered by the Sustainable Energy Development Authority (SEDA) of M... Read More about Progress of feed-in tariff in Malaysia: a year after..

Atomistic investigation on the structure-property relationship during thermal spray nanoparticle impact. (2013)
Journal Article
GOEL, S., FAISAL, N.H., RATIA, V., AGRAWAL, A. and STUKOWSKI, A. 2014. Atomistic investigation on the structure-property relationship during thermal spray nanoparticle impact. Computational materials science [online], 84, pages 163-174. Available from: https://doi.org/10.1016/j.commatsci.2013.12.011

During thermal spraying, hot particles impact on a colder substrate. This interaction of crystalline copper nanoparticles and copper substrate is modeled, using MD simulation. The quantitative results of the impacts at different velocities and temper... Read More about Atomistic investigation on the structure-property relationship during thermal spray nanoparticle impact..

Conceptual physicochemical models for scale inhibitor-formation rock interaction. (2013)
Journal Article
OLUYEMI, G.F. 2014. Conceptual physicochemical models for scale inhibitor-formation rock interaction. Petroleum science and technology [online], 32(3), pages 253-260. Available from: https://doi.org/10.1080/10916466.2011.580293

The current oil industry approach to geomechanical evaluation of reservoir formations invaded by chemical inhibitors does not in any way take into consideration any potential effects of these chemicals on the reservoir formation fabrics. It is more o... Read More about Conceptual physicochemical models for scale inhibitor-formation rock interaction..

A SMART software package for maintenance optimisation of offshore wind turbines. (2013)
Journal Article
SINHA, Y., STEEL, J.A., ANDRAWUS, J.A. and GIBSON, K. 2013. A SMART software package for maintenace optimisation of offshore wind turbines. Wind engineering [online], 37(6), pages 569-577. Available from: https://doi.org/10.1260/0309-524X.37.6.569

Offshore Wind Turbine (OWT) maintenance costs in between 20 - 35% of the lifetime power generation cost. Many techniques and tools that are being developed to curtail this cost are challenged by the stochastic climatic conditions of offshore location... Read More about A SMART software package for maintenance optimisation of offshore wind turbines..

Recent development of flax fibres and their reinforced composites based on different polymeric matrices. (2013)
Journal Article
ZHU, J., ZHU, H., NJUGUNA, J. and ABHYANKAR, H., 2013. Recent development of flax fibres and their reinforced composites based on different polymeric matrices. Materials [online], 6(11), pages 5171-5198. Available from: https://doi.org/10.3390/ma6115171

This work describes flax fibre reinforced polymeric composites with recent developments. The properties of flax fibres, as well as advanced fibre treatments such as mercerization, silane treatment, acylation, peroxide treatment and coatings for the e... Read More about Recent development of flax fibres and their reinforced composites based on different polymeric matrices..

Financial analysis on the proposed renewable heat incentive for residential houses in the United Kingdom: a case study on the solar thermal system. (2013)
Journal Article
ABU-BAKAR, S.H., MUHAMMAD-SUKKI, F., RAMIREZ-INIGUEZ, R., MUNIR, A.B., YASIN, S.H.M., MALLICK, T.K., MCLENNAN, C. and RAHIM, R.A. 2014. Financial analysis on the proposed renewable heat incentive for residential houses in the United Kingdom: a case study on the solar thermal system. Energy policy [online], 65, pages 552-561. Available from: https://doi.org/10.1016/j.enpol.2013.10.018

This short communication paper focuses on the renewable heat incentive (RHI) scheme in the United Kingdom (UK); and in particular, on its implication on domestic installations of solar thermal systems (STSs). First, a short review on the STS in the U... Read More about Financial analysis on the proposed renewable heat incentive for residential houses in the United Kingdom: a case study on the solar thermal system..

From ideal reactor concepts to reality: the novel drum reactor for photocatalytic wastewater treatment. (2013)
Journal Article
ADAMS, M., CAMPBELL, I., MCCULLAGH, C., RUSSELL, D., BAHNEMANN, D.W. and ROBERTSON, P.K.J. 2013. From ideal reactor concepts to reality: the novel drum reactor for photocatalytic wastewater treatment. International journal of chemical reactor engineering [online], 11(2), pages 621-632. Available from: https://doi.org/10.1515/ijcre-2012-0012

This article reports the development of a novel drum photocatalytic reactor for treating dye effluent streams. The parameters for operation including drum rotation speed, light source distance, catalyst loading and H2O2 doping have been investigated... Read More about From ideal reactor concepts to reality: the novel drum reactor for photocatalytic wastewater treatment..