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Numerical and experimental study of the impact of temperature on relative permeability in an oil and water system. (2021)
Thesis
BALOGUN, Y. 2021. Numerical and experimental study of the impact of temperature on relative permeability in an oil and water system. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1357866

Relative permeability is affected by several flow parameters, predominantly operating temperature and fluid viscosity. Fluid viscosity changes with temperature, which correspondingly affects the relative permeability. Temperature is believed to have... Read More about Numerical and experimental study of the impact of temperature on relative permeability in an oil and water system..

Numerical modelling of the effect of wettability, interfacial tension and temperature on oil recovery at pore-scale level. (2021)
Journal Article
IYI, D., BALOGUN, Y., OYENEYIN, B. and FAISAL, N. 2021. Numerical modelling of the effect of wettability, interfacial tension and temperature on oil recovery at pore-scale level. Journal of petroleum science and engineering [online], 201, article ID 108453. Available from: https://doi.org/10.1016/j.petrol.2021.108453

A numerical investigation into the effect of wettability and temperature on oil recovery with a hot water injection at different temperatures is reported in this paper. The computational domain is a two-dimensional porous medium (reservoir) maintaine... Read More about Numerical modelling of the effect of wettability, interfacial tension and temperature on oil recovery at pore-scale level..

Electroanalytical determination of gallic acid in red and white wine samples using cobalt oxide nanoparticles-modified carbon-paste electrodes. (2020)
Journal Article
CHIKERE, C.O., HOBBEN, E., FAISAL, N.H., KONG-THOO-LIN, P. and FERNANDEZ, C. 2021. Electroanalytical determination of gallic acid in red and white wine samples using cobalt oxide nanoparticles-modified carbon-paste electrodes. Microchemical journal [online], 160(part B), article ID 105668. Available from: https://doi.org/10.1016/j.microc.2020.105668

Beverages like wines, have exhibited a high level of antioxidant capacity, specifically from compounds like Gallic acid (GA) and their derivatives. GA has shown great importance in the food industry and pharmaceutical industry as a food additive, ant... Read More about Electroanalytical determination of gallic acid in red and white wine samples using cobalt oxide nanoparticles-modified carbon-paste electrodes..

Assessment of nanoparticle emission of polypropylene, polyester and epoxy nanocomposites during automated drilling process. (2020)
Thesis
STAROST, K.J. 2020. Assessment of nanoparticle emission of polypropylene, polyester and epoxy nanocomposites during automated drilling process. Robert Gordon University [online], PhD thesis. Available from: https://openair.rgu.ac.uk

Polymer nanocomposites are becoming established widely across the industry due to (among other reasons) their lightweight performance advantages, and ability to meticulously target material properties with great control and precision. Despite the ben... Read More about Assessment of nanoparticle emission of polypropylene, polyester and epoxy nanocomposites during automated drilling process..

Microwave irradiation synthesis and characterization of reduced-(graphene oxide-(polystyrene-polymethyl methacrylate))/silver nanoparticle nanocomposites and their anti-microbial activity. (2020)
Journal Article
ALDOASRI, M.A., ALSAUD, K.B.B., OTHMAN, A., AL-HINDAWI, M., FAISAL, N.H., AHMED, R., MICHAEL, F.M., KRISHNAN, M.R. and ALSHARAEH, E. 2020. Microwave irradiation synthesis and characterization of reduced-(graphene oxide-(polystyrene-polymethyl methacrylate))/silver nanoparticle nanocomposites and their anti-microbial activity. Polymers [online], 12(5), article ID 1155. Available from: https://doi.org/10.3390/polym12051155

Herein, we report a facile process for the preparation of styrene and methyl-methacrylate copolymer nanocomposites containing reduced graphene oxide and silver nanoparticles ((R-(GO-(PS-PMMA))/AgNPs)) by using (i) microwave irradiation (MWI) to obtai... Read More about Microwave irradiation synthesis and characterization of reduced-(graphene oxide-(polystyrene-polymethyl methacrylate))/silver nanoparticle nanocomposites and their anti-microbial activity..

Interaction between amorphous zirconia nanoparticles and graphite: electrochemical applications for gallic acid sensing using carbon paste electrodes in wine. (2020)
Journal Article
CHIKERE, C.O., FAISAL, N.H., KONG-THOO-LIN, P. and FERNANDEZ, C. 2020. Interaction between amorphous zirconia nanoparticles and graphite: electrochemical applications for gallic acid sensing using carbon paste electrodes in wine. Nanomaterials [online], 10(3), article ID 537. Available from: https://doi.org/10.3390/nano10030537

Amorphous zirconium oxide nanoparticles (ZrO2) have been used for the first time, to modify carbon paste electrode (CPE) and used as a sensor for the electrochemical determination of gallic acid (GA). The voltammetric results of the ZrO2 nanoparticle... Read More about Interaction between amorphous zirconia nanoparticles and graphite: electrochemical applications for gallic acid sensing using carbon paste electrodes in wine..

Zinc oxide nanoparticles modified-carbon paste electrode used for the electrochemical determination of Gallic acid. (2019)
Journal Article
CHIKERE, C., FAISAL, N.H., LIN, P.K.T. and FERNANDEZ, C. 2019. Zinc oxide nanoparticles modified-carbon paste electrode used for the electrochemical determination of Gallic acid. Journal of physics: conference series [online], 1310: proceedings of 2018 Applied nanotechnology and nanoscience international conference (ANNIC 2018), 22-24 October 2018, Berlin, Germany, article ID 012008. Available from: https://doi.org/10.1088/1742-6596/1310/1/012008

Zinc oxide nanoparticles (nano-ZnO) was used to modify carbon paste electrode (CPE) for a fast and sensitive electrochemical determination of gallic acid (GA). The study was carried out using cyclic voltammetry (CV) and differential voltammetry (DPV)... Read More about Zinc oxide nanoparticles modified-carbon paste electrode used for the electrochemical determination of Gallic acid..

Petrophysical and geomechanical characterization of a marginal (Wabi) field reservoir in north-central Niger Delta. (2019)
Thesis
ZORASI, C.B. 2019. Petrophysical and geomechanical characterization of a marginal (Wabi) field reservoir in north-central Niger Delta. Robert Gordon University [online], MRes thesis. Available from: https://openair.rgu.ac.uk

The aim of this study is to evaluate marginal field petrophysical and geomechanical parameters, and to develop a model for analysis of geomechanical problems, in order to mitigate stress-related issues in drilling, development and reservoir managemen... Read More about Petrophysical and geomechanical characterization of a marginal (Wabi) field reservoir in north-central Niger Delta..

Neutron scattering of sandstone subjected to uniaxial compression in cryogenic conditions. [Dataset] (2019)
Dataset
FAISAL, N., LEE, T.L., KELLEHER, J., SANAEE, R. and PANCHOLI, K. 2019. Neutron scattering of sandstone subjected to uniaxial compression in cryogenic conditions. [Dataset]. Hosted on STFC ISIS neutron and muon source data journal [online]. Available from: https://doi.org/10.5286/ISIS.E.RB1920741-1

The exploitation of unconventional remote geological resources, such as those in Arctic formations, requires engineering designs that withstand the temperatures and pressures encountered. In a previous experiment (RB1810235, April 2018) comparing san... Read More about Neutron scattering of sandstone subjected to uniaxial compression in cryogenic conditions. [Dataset].

Indentation based strength analysis of adhesively bonded leading-edge composite joints in wind turbine blades. (2019)
Journal Article
DROUBI, M.G., FOSBROOKE, C., MCCONNACHIE, J. and FAISAL, N.H. 2019. Indentation based strength analysis of adhesively bonded leading-edge composite joints in wind turbine blades. SN applied sciences [online], 1(7), article ID 691. Available from: https://doi.org/10.1007/s42452-019-0735-6

Wind turbine is a source of non-polluting renewable energy. Whether a wind turbine is viable depends entirely on the structural integrity of turbine blade. To assess the structural integrity of wind turbine blades it is necessary to investigate the l... Read More about Indentation based strength analysis of adhesively bonded leading-edge composite joints in wind turbine blades..

The synergistic effect between graphene oxide nanocolloids and silicon dioxide nanoparticles for gallic acid sensing. (2019)
Journal Article
CHIKERE, C.O., FAISAL, N.H., KONG THOO LIN, P. and FERNANDEZ, C. 2019. The synergistic effect between graphene oxide nanocolloids and silicon dioxide nanoparticles for gallic acid sensing. Journal of solid state electrochemistry [online], 23(6), pages 1795-1809. Available from: https://doi.org/10.1007/s10008-019-04267-9

For the first time, the synergistic effect of graphene oxide nanocolloids (nano-GO) and silicon dioxide (silica) nanoparticles (SiO2-nanoparicles) has been used to modify a glassy carbon electrode (GCE) for the determination of gallic acid (GA). The... Read More about The synergistic effect between graphene oxide nanocolloids and silicon dioxide nanoparticles for gallic acid sensing..

Structural and residual strength analysis of metal-to-metal adhesively bonded joints. (2019)
Thesis
PRATHURU, A. 2019. Structural and residual strength analysis of metal-to-metal adhesively bonded joints. Robert Gordon University [online], PhD thesis. Available from: https://openair.rgu.ac.uk

The aim of this study is to propose a new simulation/experimental methodology to assess the residual strength of defective adhesive bonds. This incorporates defect detection in adhesive bonds and quantification of the effect of these defects on the a... Read More about Structural and residual strength analysis of metal-to-metal adhesively bonded joints..

Neutron scattering study of strain behaviour of porous rocks subjected to heating and unconfined uniaxial compression. (2018)
Journal Article
FAISAL, N.H., SANAEE, R., SINGH, R.M., MURRAY, J., MCLAUGHLIN, A., HEALY, D. and LEE, T.-L. 2018. Neutron scattering study of strain behaviour of porous rocks subjected to heating and unconfined uniaxial compression. Journal of physics: conference series [online], 1106: proceedings of the 2018 Modern practice in stress and vibration analysis (MPSVA 2018), 2-4 July 2018, Cambridge, UK, article ID 012011. Available from: https://doi.org/10.1088/1742-6596/1106/1/012011

Neutron scattering (at ENGIN-X) was used to examine strain distributions in two hydrocarbon reservoir rock types (i.e. sandstone and chalk) under uniaxial stress (up to 35 MPa) at temperature as high as 70 °C to utilise the advantages of neutron scat... Read More about Neutron scattering study of strain behaviour of porous rocks subjected to heating and unconfined uniaxial compression..

Comparative study of corrosion performance of HVOF-sprayed coatings produced using conventional and suspension WC-Co feedstock. (2018)
Journal Article
AHMED.R., VOURLIAS, G., ALGOBURI, A., VOGIATZIS, C., CHALIAMPALIAS, D., SKOLIANOS, S., BERGER, L.-M., PAUL, S., FAISAL, N.H., TOMA, F.-L., AL-ANAZI, N.M and GOOSEN, M.F.A. 2018. Comparative study of corrosion performance of HVOF-sprayed coatings produced using conventional and suspension WC-Co feedstock. Journal of thermal spray technology [online], 27(8), pages 1579-1593. Available from: https://doi.org/10.1007/s11666-018-0775-2

Corrosion properties of nanostructured coatings deposited by suspension high-velocity oxy-fuel (S-HVOF) via an aqueous suspension of milled WC-Co powder were compared with conventional HVOF-sprayed coatings. Microstructural evaluations of these coati... Read More about Comparative study of corrosion performance of HVOF-sprayed coatings produced using conventional and suspension WC-Co feedstock..

Diametral compression test method to analyse relative surface stresses in thermally sprayed coated and uncoated circular disc specimens. (2018)
Journal Article
FAISAL, N.H., MANN, L., DUNCAN, C., DUNBAR, E., CLAYTON, M., FROST, M., MCCONNACHIE, J., FARDAN, A. and AHMED, R. 2019. Diametral compression test method to analyse relative surface stresses in thermally sprayed coated and uncoated circular disc specimens. Surface and coatings technology [online], 357, pages 497-514. Available from: https://doi.org/10.1016/j.surfcoat.2018.10.053

In firsts of its investigation, a diametral compression destructive testing method (also known as Brazilian test) was performed on thermally sprayed coated and uncoated circular disc specimens to compare relative surface stresses. The coating investi... Read More about Diametral compression test method to analyse relative surface stresses in thermally sprayed coated and uncoated circular disc specimens..

Neutron diffraction strain analysis of ceramic coatings from suspension thermal spray. [Dataset] (2018)
Dataset
HUSSAIN, T., MARTIN, D.T., LEE, T.L., DERELIZADE, K., KELLEHER, J., OWOSENI, T., FAISAL, N. and PULSFORD, J. 2018. Neutron diffraction strain analysis of ceramic coatings from suspension thermal spray. [Dataset]. Hosted on STFC ISIS neutron and muon source data journal [online]. Available from: https://doi.org/10.5286/ISIS.E.98023160

Liquid feedstock containing sub-micron to nano-sized particles is used in suspension thermal spray to produce nanostructured ceramic coatings with improved density, strength and durability over conventional powder based thermal sprayed coatings. It h... Read More about Neutron diffraction strain analysis of ceramic coatings from suspension thermal spray. [Dataset].

Modal acoustic emission analysis of mode-I and mode-II fracture of adhesively-bonded joints. (2018)
Presentation / Conference
CRAWFORD, A.R., DROUBI, M.G. and FAISAL, N.H. 2018. Modal acoustic emission analysis of mode-I and mode-II fracture of adhesively-bonded joints. Presented at the 33rd European Working Group on Acoustic Emission (EWGAE) European acoustic emission testing conference (EWGAE 2018), 12-14 September 2018, Senlis, France [online], pages 218-228. Available from: http://www.ewgae2018.com/wp-content/uploads/2018/09/EWGAE-Conference-Proceedings_2018-1.pdf

Acoustic emission (AE) testing has previously been demonstrated to be well suited to detecting failure in adhesively-bonded joints. In this work, the relationship between the fracture-mode of adhesively-bonded specimens and the acoustic wave-modes ex... Read More about Modal acoustic emission analysis of mode-I and mode-II fracture of adhesively-bonded joints..

Future of nanoindentation in archaeometry. (2018)
Journal Article
FAISAL, N.H., AHMED, R., GOEL, S. and CROSS, G. 2018. Future of nanoindentation in archaeometry. Journal of materials research [online], 33(17), pages 2515-2532. Available from: https://doi.org/10.1557/jmr.2018.280

This review aims to consolidate scarce literature on the use of modern nanomechanical testing technique like instrumented nanoindentation in the field of archaeometry materials research. The review showcase on how can the nanoindentation tests provid... Read More about Future of nanoindentation in archaeometry..

Neutron diffraction residual stress measurements in suspension HVOF sprayed Al2O3 and YSZ coatings. (2018)
Conference Proceeding
OWOSENI, T., BAI, M., HUSSAIN, T., FAISAL, N.H., LEE, T.L. and KELLEHER, J. 2019. Neutron diffraction residual stress measurements in suspension HVOF sprayed Al2O3 and YSZ coatings. In Azarmi, F., Balani, K., Eden, T., Hussain, T., Li, H., Shinoda, K. and Toma, F.-L. (eds.) Proceedings of the 2018 International thermal spray conference (ITSC 2018), 7-10 May 2018, Orlando, USA. Ohio: ASM International [online], pages 490-495. Available from: http://www.proceedings.com/47648.html

Thermally sprayed coatings have residual stresses due to the processing techniques where the particles go through thermal softening/melting, high velocity impact and rapid solidification. The nature and magnitude of residual stresses in these coating... Read More about Neutron diffraction residual stress measurements in suspension HVOF sprayed Al2O3 and YSZ coatings..

Analysis of acoustic emission propagation in metal-to-metal adhesively-bonded joints. (2018)
Journal Article
CRAWFORD, A., DROUBI, M.G. and FAISAL, N.H. 2018. Analysis of acoustic emission propagation in metal-to-metal adhesively-bonded joints. Journal of nondestructive evaluation [online], 37(2), article number 33. Available from: https://doi.org/10.1007/s10921-018-0488-y

Acoustic emission (AE) monitoring shows promise as one of the most effective methods for condition monitoring of adhesively-bonded joints. Previous research has demonstrated its ability to detect, locate and classify adhesive joint failure, though in... Read More about Analysis of acoustic emission propagation in metal-to-metal adhesively-bonded joints..