All Outputs (71)

Too enthusiastic to care for safety: present status and recent developments of nanosafety in ASEAN countries. (2014)
Journal Article
KARIM, M.E., MUNIR, A.B., REZA, A.W., MUHAMMAD-SUKKI, F., YASIN, S.H.M., ABU-BAKAR, S.H. and RAHIM, R.A. 2015. Too enthusiastic to care for safety: present status and recent developments of nanosafety in ASEAN countries. Technological forecasting and social change [online], 92, pages 168-181. Available from: https://doi.org/10.1016/j.techfore.2014.07.003

Nanotechnology has the prospect to vibrate the imagination of human being and has the ability to be used in almost every sector of human need. With its limitless potentials, there are many environmental, health and safety related concerns due to extr... Read More about Too enthusiastic to care for safety: present status and recent developments of nanosafety in ASEAN countries..

Thermo-mechanical performance of poly(lactic acid)/flax fibre-reinforced biocomposites. (2014)
Journal Article
NASSIOPOULOS, E. and NJUGUNA, J. 2015. Thermo-mechanical performance of poly(lactic acid)/flax fibre-reinforced biocomposites. Materials and design [online], 66(Part B), pages 473-485. Available from: https://doi.org/10.1016/j.matdes.2014.07.051

In this study, the thermo-mechanical performance of flax fibre reinforced poly lactic acid (PLA) biocomposites was investigated for the potential use in load bearing application such as body-in-white and body structures in the automotive sector. Focu... Read More about Thermo-mechanical performance of poly(lactic acid)/flax fibre-reinforced biocomposites..

Significance of effective lubrication in mitigating system failures: a wind turbine gearbox case study. (2014)
Journal Article
SINHA, Y., STEEL, J.A., ANDRAWUS, J.A. and GIBSON, K. 2014. Significance of effective lubrication in mitigating system failures: a wind turbine gearbox case study. Wind engineering [online], 38(4), pages 441-449. Available from: https://doi.org/10.1260/0309-524x.38.4.441

The effectiveness of lubrication in machines mainly depends on the physical and chemical properties of lubricating oil, like quantity, level of suspended particles, effect of external load/shear forces, temperature amongst others. Periodic inspection... Read More about Significance of effective lubrication in mitigating system failures: a wind turbine gearbox case study..

Optimisation of Mare's Tail coalescer technology. (2014)
Thesis
VIJAYAKUMAR, B. 2014. Optimisation of Mare's Tail coalescer technology. Robert Gordon University, MPhil thesis.

The Mare's Tail technology was invented in ERT (Orkney) as a joint industrial project to reduce the use of chemicals in the produced water treatment process. The Mare's Tail is a fibrous type of coalescer used in the coalescence of oil droplets that... Read More about Optimisation of Mare's Tail coalescer technology..

An improved Vickers indentation fracture toughness model to assess the quality of thermally sprayed coatings. (2014)
Journal Article
FAISAL, N.H., AHMED, R., PRATHURU, A.K., SPENCE, S., HOSSAIN, M. and STEEL, J.A. 2014. An improved Vickers indentation fracture toughness model to assess the quality of thermally sprayed coatings. Engineering fracture mechanics [online], 128, pages 189-204. Available from: https://doi.org/10.1016/j.engfracmech.2014.07.015

This study presents an improved approach to the quality assessment of thermally sprayed coatings. Measurements were carried out on five different coatings. Since it is the overall extent of surface cracking during Vickers indentation that is indicati... Read More about An improved Vickers indentation fracture toughness model to assess the quality of thermally sprayed coatings..

Electrochemical oxidation of acetyl salicylic acid and its voltammetric sensing in real samples at a sensitive edge plane pyrolytic graphite electrode modified with graphene. (2014)
Journal Article
KRUANETR, S., POLLARD, P., FERNANDEZ, C. and PRABHU, R. 2014. Electrochemical oxidation of acetyl salicylic acid and its voltammetric sensing in real samples at a sensitive edge plane pyrolytic graphite electrode modified with graphene. International journal of electrochemical science [online], 9(10), pages 5699-5711. Available from: https://doi.org/10.1016/S1452-3981(23)08199-3

We present in this manuscript for the first time the electrochemical oxidation of acetyl salicylic acid and its voltammetric sensing in real samples at a sensitive edge plane pyrolitic graphite electrode (EPPGE) modified with graphene. The electroche... Read More about Electrochemical oxidation of acetyl salicylic acid and its voltammetric sensing in real samples at a sensitive edge plane pyrolytic graphite electrode modified with graphene..

Gas permeation study using ceramic membranes. (2014)
Journal Article
KAJAMA, M.N., NWOGU, N.C. and GOBINA, E. 2014. Gas permeation study using ceramic membranes. Energy and environment research [online], 4(3), pages 43-49. Available from: https://doi.org/10.5539/eer.v4n3p43

A 6000 nm ceramic membrane was repaired with boehmite solution (ALOOH) through the repeat dip-coating technique. The permeance of hydrogen (H2) and carbon dioxide (CO2) were obtained through the membrane in relation to average pressure at room temper... Read More about Gas permeation study using ceramic membranes..

Structure-property relationships in a CoCrMo alloy at micro and nano-scales. (2014)
Journal Article
AHMED, R., DE VILLIERS LOVELOCK, H.L., FAISAL, N.H. and DAVIES, S. 2014. Structure-property relationships in a CoCrMo alloy at micro and nano-scales. Tribology international [online], 80, pages 98-114. Available from: https://doi.org/10.1016/j.triboint.2014.06.015

This investigation considered the multiscale tribo-mechanical evaluations of CoCrMo (Stellite®21) alloys manufactured via two different processing routes of casting and HIP-consolidation from powder (Hot Isostatic Pressing). These involved hardness,... Read More about Structure-property relationships in a CoCrMo alloy at micro and nano-scales..

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..

Simulation of rectangular fluidised bed with Geldart D particles. (2014)
Conference Proceeding
TANDON, M.P. and KARNIK, A.U. 2014. Simulation of rectangular fluidised bed with Geldart D particles. In Proceedings of the 10th International computational fluid dynamics in the oil and gas, metallurgical and process industries conference (CFD 2014), 17-19 June 2014, Trondheim, Norway. Trondheim: SINFEF [online], pages 509-516. Available from: https://www.sintef.no/globalassets/project/cdf2014/docs/official_proceedings_cfd2014-redusert-filstr.pdf

In this study, simulations are carried out using the Euler-Euler granular model in STAR-CCM+ for a gas-solid flow in a rectangular bubbling fluidized bed. The problem studied was announced as Small Scale Challenge Problem (SSCP-I) in 2013. Experiment... Read More about Simulation of rectangular fluidised bed with Geldart D particles..

Effect of the shape of connecting pipes on the performance output of a closed-loop hot water solar Thermo-syphon. (2014)
Conference Proceeding
FREEGAH, B., ASIM, T., ALBARZENJI, D., PRADHAN, S. and MISHRA, R. 2014. Effect of the shape of connecting pipes on the performance output of a closed-loop hot water solar Thermo-syphon. In Kumar, U., Karim, R., Parida, A. and Tretten, P. (eds.) Proceedings of 3rd international workshop and congress on eMaintenance: eMaintenance, trends in technologies and methodologies, challenges, possibilities and applications, 17-18 June 2014, Luleå, Sweden. Luleå: Luleå University of Technology [online], pages 119-123. Available from: http://ltu.diva-portal.org/smash/record.jsf?pid=diva2%3A997766&dswid=-1615

In order to conserve the environment from pollution, which is caused by the use of the fossil fuels, numerous research works have been carried out in renewable energy area to minimize the dependency on the fossil fuels. There are several energy sourc... Read More about Effect of the shape of connecting pipes on the performance output of a closed-loop hot water solar Thermo-syphon..

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..

Comprehensive steady state analysis of bidirectional dual active bridge DC/DC converter using triple phase shift control. (2014)
Conference Proceeding
HARRYE, Y.A., AHMED, K.H., ADAM, G.P. and ABOUSHADY, A.A. 2014. Comprehensive steady state analysis of bidirectional dual active bridge DC/DC converter using triple phase shift control. In Proceedings of the 23rd IEEE International symposium on industrial electronics 2014 (ISIE), 01-04 June 2014, Istanbul, Turkey. Piscataway: IEEE [online], pages 437-442. Available from: https://doi.org/10.1109/ISIE.2014.6864653

Several papers have been published recently on TPS control of dual active bridge (DAB) converter, however, no complete study of the converter operation behaviour exists, that takes into account all switching modes in both charging and discharging (bi... Read More about Comprehensive steady state analysis of bidirectional dual active bridge DC/DC converter using triple phase shift control..

Fuel consumption tabulation in laboratory conditions. (2014)
Journal Article
ALGHADHI, M., BALL, A., KOLLAR, L.E., MISHRA, R. and ASIM, T. 2014. Fuel consumption tabulation in laboratory conditions. International journal of recent development in engineering and technology [online], 2(Special issue 4): papers from 2014 International research conference on engineering, science and management (IRCESM 2014), 4-5 June 2014, Dubai, UAE, pages 29-38. Available from: https://www.ijrdet.com/files/IRCESM2014/IJRDET_IRCESM_05.pdf

This paper examines the fuel economy displayed by passenger vehicles and attempts to connect vehicular fuel consumption to such easily measurable parameters as vehicle speed, acceleration, gear and throttle position. The central contention is to unde... Read More about Fuel consumption tabulation in laboratory conditions..

Abstract book for the proceedings of the 2nd International conference on structural nano composites (NANOSTRUC 2014), 20-21 May 2014, Madrid, Spain. (2014)
Conference Proceeding
NJUGUNA, J., STAROST, K. and VERDEJO, R. (eds.) 2014. Abstract book for the proceedings of the 2nd International conference on structural nano composites (NANOSTRUC 2014), 20-21 May 2014, Madrid, Spain.

The purpose of the 2nd International Conference on Structural Nano Composites (NANOSTRUC 2014) is to promote activities in various areas of materials and structures by providing a forum for exchange of ideas, presentation of technical achievements an... Read More about Abstract book for the proceedings of the 2nd International conference on structural nano composites (NANOSTRUC 2014), 20-21 May 2014, Madrid, Spain..

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..

Photocatalytic destruction of volatile organic compounds from the oil and gas industry. (2014)
Thesis
TOKODE, O. 2014. Photocatalytic destruction of volatile organic compounds from the oil and gas industry. Robert Gordon University, PhD thesis.

Heterogeneous photocatalysis is an advanced oxidation technology widely applied in environmental remediation processes. It is a relatively safe and affordable technology with a low impact on the environment, and has found applications in a number of... Read More about Photocatalytic destruction of volatile organic compounds from the oil and gas industry..

Hybrid renewable energy generation systems for eco-friendly buildings in Qatar. (2014)
Presentation / Conference
ALI, D., METRY, M., GOUBA, A., KOUSSA, E. and KOLEED, M. 2014. Hybrid renewable energy generation systems for eco-friendly buildings in Qatar. Presented at the 3rd TAMUQ (Texas A and M University at Qatar) annual research and industry forum 2014, 30 April 2014, Doha, Qatar.

To meet Qatar National Vision 2030, this research aims integrating renewable energy sources (RES) into large educational, industrial and commercial buildings in Qatar while making them energy efficient. The proposed hybrid energy system (HES) is inv... Read More about Hybrid renewable energy generation systems for eco-friendly buildings in Qatar..

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..