Skip to main content

Research Repository

Advanced Search

Browse


The innovative design of air caps for improving the thermal efficiency of CFB boilers. (2021)
Journal Article
LIU, X., ZHU, G., ASIM, T., ZHANG, Y. and MISHRA, R. [2021]. The innovative design of air caps for improving the thermal efficiency of CFB boilers. Energy [online], In Press. Available from: https://doi.org/10.1016/j.energy.2021.119844

Air caps are an effective way of ensuring uniformity of air flow in Circulating Fluidized Bed (CFB) boilers. Published literature on the design and configuration of these air caps is severely limited. In this study, extensive theoretical as well as e... Read More about The innovative design of air caps for improving the thermal efficiency of CFB boilers..

An IoT based industry 4.0 architecture for integration of design and manufacturing systems. (2020)
Journal Article
ANBALAGAN, A. and MORENO-GARCIA, C.F. [2020] An IoT based industry 4.0 architecture for integration of design and manufacturing systems. Materials today: proceedings [online], In Press. Available from: https://doi.org/10.1016/j.matpr.2020.11.196

This paper proposes an Internet of Things (IoT) based 5-stage Industry 4.0 architecture to integrate the design and manufacturing systems in a Cyber Physical Environment (CPE). It considers the transfer of design and manufacturing systems data throug... Read More about An IoT based industry 4.0 architecture for integration of design and manufacturing systems..

Shock propagation behaviour and determination of Greisen state of equation for pultruded polyester/glass fibre-reinforced composites.   (2020)
Journal Article
MUKHERJI, A. and NJUGUNA, J. [2020]. Shock propagation behaviour and determination of Greisen state of equation for pultruded polyester/glass fibre-reinforced composites. Composite structures [online], In Press, article ID 113444. Available from: https://doi.org/10.1016/j.compstruct.2020.113444

Polyester fibres reinforced with glass fibres hybridised polyester resin composite (PFR/GFHC) is a unconventional complex high-molecular weight crosslinked network polymer composite, which can be used in the manufacture of structural body parts for l... Read More about Shock propagation behaviour and determination of Greisen state of equation for pultruded polyester/glass fibre-reinforced composites.  .

Sand failure: effect of biocide on the geomechanical properties of outcrop carbonate rock under static condition. (2020)
Journal Article
WUYEP, E., OLUYEMI, G., YATES, K. and AKISANYA, A.R. 2020. Sand failure: effect of biocide on the geomechanical properties of outcrop carbonate rock under static condition. Arabian journal of geosciences [online], 13(23), article ID 1239. Available from: https://doi.org/10.1007/s12517-020-06176-y

The effects of chemical interaction of a biocide with formation rocks on the rock geomechanical properties are examined. A combination of analytical tests (Scanning Electron Microscopy/Energy-Dispersive X-Ray Analysis, X-Ray Powder Diffraction and Pa... Read More about Sand failure: effect of biocide on the geomechanical properties of outcrop carbonate rock under static condition..

3D printing for hip implant applications: a review. (2020)
Journal Article
OKOLIE, O., STACHUREK, I., KANDASUBRAMANIAN, B. and NJUGUNA, J. 2020. 3D printing for hip implant applications: a review. Polymers [online], 12(11), articles ID 2682. Available from: https://doi.org/10.3390/polym12112682

There is a rising demand for replacement, regeneration of tissues and organ repairs for patients who suffer from diseased/damaged bones or tissues such as hip pains. The hip replacement treatment relies on the implant, which may not always meet the r... Read More about 3D printing for hip implant applications: a review..

An initial study of biogas upgrading to bio-methane with carbon dioxide capture using ceramic membranes. (2020)
Journal Article
OGUNLUDE, P., ABUNUMAH, O., ORAKWE, I., SHEHU, H., MUHAMMAD-SUKKI, F. and GOBINA, E. [2020]. An initial study of biogas upgrading to bio-methane with carbon dioxide capture using ceramic membranes. Catalysis today [online], In Press. Available from: https://doi.org/10.1016/j.cattod.2020.11.006

Supplement to the depleting energy resources and the stringent environmental laws regarding the atmospheric emissions of greenhouse gases, the development of clean and renewable sources of energy has been a great issue. Worldwide, energy usage is ste... Read More about An initial study of biogas upgrading to bio-methane with carbon dioxide capture using ceramic membranes..

Separation techniques of partial discharges and electrical noise sources: a review of recent progress. (2020)
Journal Article
ARDILA-REY, J.A., CERDA-LUNA, M.P., ROZAS-VALDERRAMA, R.A., DE CASTRO, B.A., ANDREOLI, A.L. and MUHAMMAD-SUKKI, F. 2020. Separation techniques of partial discharges and electrical noise sources: a review of recent progress. IEEE access [online], 8, pages 199449-199461. Available from: https://doi.org/10.1109/access.2020.3035249

Partial discharge (PD) monitoring is one of the most used tools for diagnosing the condition of electrical equipment and machines that operate normally at high voltage levels. Ideally, PD identification can be easily done if there is a single source... Read More about Separation techniques of partial discharges and electrical noise sources: a review of recent progress..

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..

A design technique for optimizing resonant coils and the energy transfer of inductive links. (2020)
Journal Article
HEIDARIAN, M. and BURGESS, S.J. 2021. A design technique for optimizing resonant coils and the energy transfer of inductive links. IEEE transactions on microwave theory and techniques [online], 69(1), pages 399-408. Available from: https://doi.org/10.1109/TMTT.2020.3028969

Power transfer efficiency (PTE) is a key performance parameter in development work on resonant inductive power transfer (IPT) systems. Geometrically optimizing the transmitter (Tx) and receiver (Rx) coil pair is a way of improving the IPT system's ef... Read More about A design technique for optimizing resonant coils and the energy transfer of inductive links..

Damping properties of flax/carbon hybrid epoxy/fibre-reinforced composites for automotive semi-structural applications. (2020)
Journal Article
FAIRLIE, G. and NJUGUNA, J. 2020. Damping properties of flax/carbon hybrid epoxy/fibre-reinforced composites for automotive semi-structural applications. Fibers [online], 8(10), article ID 64. Available from: https://doi.org/10.3390/fib8100064

The ever-increasing demand for environmentally friendly biocomposites for use in various engineering applications requires a strong understanding of these materials properties, especially in automotive applications. This study focused on investigatin... Read More about Damping properties of flax/carbon hybrid epoxy/fibre-reinforced composites for automotive semi-structural applications..

A holistic approach to assessment of value of information (VOI) with fuzzy data and decision criteria. (2020)
Journal Article
VILELA, M., OLUYEMI, G. and PETROVSKI, A. 2020. A holistic approach to assessment of value of information (VOI) with fuzzy data and decision criteria. Decision making: applications in management and engineering [online], 3(2), pages 97-118. Available from: https://doi.org/10.31181/dmame2003097v

Classical decision and value of information theories have been applied in the oil and gas industry from the 1960s with partial success. In this research, we identify that the classical theory of value of information has weaknesses related with optima... Read More about A holistic approach to assessment of value of information (VOI) with fuzzy data and decision criteria..

A fuzzy cooperative localisation framework for underwater robotic swarms. (2020)
Journal Article
SABRA, A. and FUNG, W.-K. 2020. A fuzzy cooperative localisation framework for underwater robotic swarms. Sensors [online], 20(19), article ID 5496. Available from: https://doi.org/10.3390/s20195496

This article proposes a holistic localisation framework for underwater robotic swarms to dynamically fuse multiple position estimates of an autonomous underwater vehicle while using fuzzy decision support system. A number of underwater localisation m... Read More about A fuzzy cooperative localisation framework for underwater robotic swarms..

Numerical investigations on the propagation of fire in a railway carriage. (2020)
Journal Article
CRAIG, M. and ASIM, T. 2020. Numerical investigations on the propagation of fire in a railway carriage. Energies [online], 13(19), article ID 4999. Available from: https://doi.org/10.3390/en13194999

In this study, advanced Computational Fluid Dynamics (CFD)-based numerical simulations have been performed in order to analyse fire propagation in a standard railway compartment. A Fire Dynamics Simulator (FDS) has been employed to mimic real world s... Read More about Numerical investigations on the propagation of fire in a railway carriage..

Investigations of hollow-core photonic crystal fibres (HC-PCF) for trace explosive vapour detection. (2020)
Conference Proceeding
JOHNY, J., KARNIK, S. and PRABHU, R. 2020. Investigations of hollow-core photonic crystal fibres (HC-PCF) for trace explosive vapour detection. In Bouma, H., Prabhu, R., Stokes, R.J. and Yitzhaky, Y. (eds.) Proceedings of the 4th Counterterrorism, crime fighting, forensics, and surveillance technologies conference 2020, co-located with the Society of Photo-Optical Instrumentation Engineers (SPIE) Security and defence 2020 conference, 21-25 September 2020, [virtual conference]. Proceedings of the SPIE, 11542. Bellingham, WA: SPIE [online], article ID 115420Q. Available from: https://doi.org/10.1117/12.2574356

Trace detection and identification of hazardous volatile explosives has been a key challenge to the scientific community past many decades. Commercially available various analytical and spectroscopic techniques suffer from low sensitivity, swabbing o... Read More about Investigations of hollow-core photonic crystal fibres (HC-PCF) for trace explosive vapour detection..

A strategic decision framework for a sustainable wastewater treatment and management in the oil producing region. (2020)
Journal Article
HASHIM, I.A., HAMMA-ADAMA, M. and SURENDRAN, S. 2020. A strategic decision framework for a sustainable wastewater treatment and management in the oil producing region. Civil and environmental research [online], 12(8), pages 35-61. Available from: https://doi.org/10.7176/CER/12-8-04

The study aimed to investigate how managing the growing water demand and wastewater production by treating and reclaiming Water from the Wastewater in Delta State. Mainly to carry out a comparative feasibility study and develop a decision support sys... Read More about A strategic decision framework for a sustainable wastewater treatment and management in the oil producing region..

Determination of a critical separation concentration for associative polymers in porous media based on quantification of dilute and semi-dilute concentration regimes. (2020)
Journal Article
AFOLABI, R.O., OLUYEMI, G.F., OFFICER, S. and UGWU, J.O. 2020. Determination of a critical separation concentration for associative polymers in porous media based on quantification of dilute and semi-dilute concentration regimes. Journal of molecular liquids [online], 317, article ID 114142. Available from: https://doi.org/10.1016/j.molliq.2020.114142

Hydrophobic interactions are an inherent property of associative polymers which results in the formation of molecular aggregates. The loss of hydrophobic interactions under reservoir conditions have been reported, and this results in increased fluid... Read More about Determination of a critical separation concentration for associative polymers in porous media based on quantification of dilute and semi-dilute concentration regimes..

Particle emission measurements in three scenarios of mechanical degradation of polypropylene-nanoclay nanocomposites. (2020)
Journal Article
BLAZQUEZ, M., MARCHANTE, V., GENDRE, L., STAROST, K., NJUGUNA, J., SCHUTZ, J.A., LACAVE, J.M., EGIZABAL, A., ELIZETXEA, C. and CAJARAVILLE, M.P. 2020. Particle emission measurements in three scenarios of mechanical degradation of polypropylene-nanoclay nanocomposites. Journal of aerosol science [online], 150, article ID 105629. Available from: https://doi.org/10.1016/j.jaerosci.2020.105629

Researchers and legislators have both claimed the necessity to standardize the exposure assessment of polymer nanocomposites throughout their life cycle. In the present study we have developed and compared three different and independent operational... Read More about Particle emission measurements in three scenarios of mechanical degradation of polypropylene-nanoclay nanocomposites..

A new active power controller in dual active bridge DC-DC converter with a minimum-current-point-tracking technique. (2020)
Journal Article
HEBALA, O.M., ABOUSHADY, A.A., AHMED, K.H., ABDELSALAM, I. and BURGESS, S.J. [2020]. A new active power controller in dual active bridge DC-DC converter with a minimum-current-point-tracking technique. IEEE journal of emerging and selected topics in power electronics [online], Early Access. Available from: https://doi.org/10.1109/jestpe.2020.3016771

This paper proposes a new controller for power regulation in dual active bridge (DAB) DC−DC converter based on a new scheme that tracks minimum RMS current to ensure minimum losses. The proposed controller is based on an implementation of perturb and... Read More about A new active power controller in dual active bridge DC-DC converter with a minimum-current-point-tracking technique..

Electroencephalogram (EEG) human stress level classification based on theta/beta ratio. (2020)
Journal Article
WEN, T.Y., BANI, N.A., MUHAMMAD-SUKKI, F. and MOHD-ARIS, S.A. 2020. Electroencephalogram (EEG) human stress level classification based on theta/beta ratio. International journal of integrated engineering [online], 12(6): electrical and electronic engineering, pages 174-180. Available from: https://doi.org/10.30880/ijie.2020.12.06.020

Stress analysis by utilizing electroencephalography (EEG) device in conjunction with signal processing techniques has emerged as an important area of research and the efforts are being made on detecting and classifying stress level. Non-invasive EEG... Read More about Electroencephalogram (EEG) human stress level classification based on theta/beta ratio..

Oil-based mud waste reclamation and utilisation in low-density polyethylene composites. (2020)
Journal Article
SIDDIQUE, S., YATES, K., MATTHEWS, K., CSETENYI, L.J. and NJUGUNA, J. 2020. Oil-based mud waste reclamation and utilisation in low-density polyethylene composites. Waste management and research [online], 38(12), pages 1331-1344. Available from: https://doi.org/10.1177/0734242X20941076

Oil-based mud (OBM) waste from the oil and gas exploration industry can be valorised to tailor-made reclaimed clay-reinforced low-density polyethylene (LDPE) nanocomposites. This study aims to fill the information gap in the literature and to provide... Read More about Oil-based mud waste reclamation and utilisation in low-density polyethylene composites..