All Outputs (108)

A one-dimensional mechanistic model for tracking unsteady slug flow. (2021)
Conference Proceeding
PADRINO, J.C., SRINIL, N., KURUSHINA, V., SWAILES, D., PAIN, C.C. and MATAR, O.K. 2021. A one-dimensional mechanistic model for tracking unsteady slug flow. In Proceedings of the 2021 ASME international mechanical engineering congress and exposition (IMECE2021), 1-5 November 2021, [virtual event]. New York: ASME [online], volume 10: fluids engineering, article number V010T10A004. Available from: https://doi.org/10.1115/IMECE2021-70735

A novel one-dimensional slug tracking mechanistic model for unsteady, upward gas-liquid slug flow in inclined pipes is presented. The model stems from the first principles of mass and momentum conservation applied to a slug unit cell consisting of a... Read More about A one-dimensional mechanistic model for tracking unsteady slug flow..

Predicting CO2 and CH4 transport in landfill gas using porous inorganic membranes operated in the Darcy regime. (2021)
Conference Proceeding
GOBINA, E., OGUNLUDE, P., ABUNUMAH, O., GIWA, A. and MUHAMMAD-SUKKI, F. 2021. Predicting CO2 and CH4 transport in landfill gas using porous inorganic membranes operated in the Darcy regime. In Proceedings of 2021 International congress of Scientific Advances (ICONSAD'21), 22-25 December 2021, [virtual conference]. Turkey: ICONSAD [online], pages 770-784. Available from: https://tinyurl.com/2p8uy2rh

The present work is focusing on the utilization of previously fabricated membrane to study the effect of pressure drop and temperature on permeability. Mass transfer considerations were used under previously optimized conditions. Subsequently, gas pe... Read More about Predicting CO2 and CH4 transport in landfill gas using porous inorganic membranes operated in the Darcy regime..

Effect of hydrodynamic and microstructural parameters on ceramic membrane for oil-in-water separation. (2021)
Presentation / Conference
AISUENI, F. and GOBINA, E. 2021. Effect of hydrodynamic and microstructural parameters on ceramic membrane for oil-in-water separation. Presented at 2021 International congress of Scientific Advances (ICONSAD'21), 22-25 December 2021, [virtual conference].

The main objective of this work is to study the effect of hydrodynamics and microstructure parameters which includes characterization and crossflow filtrations on ceramic membrane for the separation of oil -in-water emulsion. Firstly, the 6000nm unmo... Read More about Effect of hydrodynamic and microstructural parameters on ceramic membrane for oil-in-water separation..

Gas injection power requirements in gas enhanced oil recovery (EOR). (2021)
Presentation / Conference
ABUNUMAH, O., OGUNLUDE, P. and GOBINA, E. 2021. Gas injection power requirements in gas enhanced oil recovery (EOR). Presented at 2021 International congress on scientific advances (ICONSAD'21), 22-25 December 2021, [virtual conference].

The purpose of this study is to investigate the geological and engineering factors that affect the compressor power requirement of the gases (CH4, N2, Air, and CO2) injected into reservoirs pores to displace trapped oil. This gas -oil displacement pr... Read More about Gas injection power requirements in gas enhanced oil recovery (EOR)..

Gas flow mechanisms in fractured low permeability reservoirs. (2021)
Presentation / Conference
OGOUN, E., AISUENI, F., OGUNLUDE, P. and GOBINA, E. 2021. Gas flow mechanisms in fractured low permeability reservoirs. Presented at 2021 International congress of Scientific Advances (ICONSAD'21), 22-25 December 2021, [virtual conference].

The exploration and production of unconventional natural gas reservoirs has enhanced the gateway to the diversification of economic activities from oil. However, the gas industry faces some major variations in the storyline in different parts of the... Read More about Gas flow mechanisms in fractured low permeability reservoirs..

Promoting the solar industry in Ghana through effective Public-Private Partnership (PPP): some lessons from South Africa and Morocco. (2021)
Journal Article
AWUKU, S.A., BENNADJI, A., MUHAMMAD-SUKKI, F. and SELLAMI, N. 2022. Promoting the solar industry in Ghana through effective Public-Private Partnership (PPP): some lessons from South Africa and Morocco. Energies [online], 15(1), article 17. Available from: https://doi.org/10.3390/en15010017

Over the past decades, solar energy has gained much attention in Ghana, especially after the 2012–2016 power crisis. The government through Public-Private Partnerships (PPPs) has attempted to increase the shares of solar generation to augment its eff... Read More about Promoting the solar industry in Ghana through effective Public-Private Partnership (PPP): some lessons from South Africa and Morocco..

Experimental testing on the influence of shaft rotary lip seal misalignment for a marine hydro-kinetic turbine. (2021)
Journal Article
HAND, B.P., ERDOGAN, N., MURRAY, D., CRONIN, P., DORAN, J. and MURPHY, J. 2022. Experimental testing on the influence of shaft rotary lip seal misalignment for a marine hydro-kinetic turbine. Sustainable energy technologies and assessments [online], 50, article 101874. Available from: https://doi.org/10.1016/j.seta.2021.101874

Tidal energy has received considerable attention over the past decade due to its predictability and high power density. The research in the tidal turbine area has concentrated primarily on the improvement of the energy conversion efficiency. In contr... Read More about Experimental testing on the influence of shaft rotary lip seal misalignment for a marine hydro-kinetic turbine..

Determination of cure mechanism inside die for a part manufacturing during large-scale pultrusion. (2021)
Journal Article
MUKHERJI, A., TARAPORE, N. and NJUGUNA, J. 2022. Determination of cure mechanism inside die for a part manufacturing during large-scale pultrusion. Journal of applied polymer science [online], 139(17), article 52035. Available from: https://doi.org/10.1002/app.52035

The cure kinetics of resin, heat capacity and thermal conductivity of reinforcing materials of uncured mass dictates the ultimate curing of reinforced thermosets manufactured component. In this study, degree of conversion from heat capacity by ‘Lumry... Read More about Determination of cure mechanism inside die for a part manufacturing during large-scale pultrusion..

The combined effect of fluid rheology, inner pipe rotation and eccentricity on the flow of Newtonian and non-Newtonian fluid through the annuli. (2021)
Journal Article
SALUBI, V., MAHON, R. and OLUYEMI, G. 2022. The combined effect of fluid rheology, inner pipe rotation and eccentricity on the flow of Newtonian and non-Newtonian fluid through the annuli. Journal of petroleum science and engineering [online], 211, article 110018. Available from: https://doi.org/10.1016/j.petrol.2021.110018

The accurate prediction of the fluid dynamics and hydraulics of the axial or helical flow of non-Newtonian drilling fluids in the annuli is essential for the determination and effective management of wellbore pressure during drilling operations. Prev... Read More about The combined effect of fluid rheology, inner pipe rotation and eccentricity on the flow of Newtonian and non-Newtonian fluid through the annuli..

A review of sensing technologies for non-destructive evaluation of structural composite materials. (2021)
Journal Article
GUPTA, R., MITCHELL, D., BLANCHE, J., HARPER, S., TANG, W., PANCHOLI, K., BAINES, L., BUCKNALL, D.G. and FLYNN, D. 2021. A review of sensing technologies for non-destructive evaluation of structural composite materials. Journal of composites science [online], 5(12), article 319. Available from: https://doi.org/10.3390/jcs5120319

The growing demand and diversity in the application of industrial composites and the current inability of present non-destructive evaluation (NDE) methods to perform detailed inspection of these composites has motivated this comprehensive review of s... Read More about A review of sensing technologies for non-destructive evaluation of structural composite materials..

Performance evaluation of (AlCrN) PVD-coated cBN inserts on machining of Inconel 718. (2021)
Journal Article
JEYAPANDIARAJAN, P., XAVIOR, M.A. and ANBALAGAN, A. 2021. Performance evaluation of (AlCrN) PVD-coated cBN inserts on machining of Inconel 718. MM science journal [online], 2021(November): proceedings of the 16th International conference on high speed machining (HSM 2021), 26-27 October 2021, Damstadt, Germany, pages 5219-5227. Available from: http://doi.org./10.17973/MMSJ.2021_11_2021178

This research work focuses on the experimental investigations conducted using uncoated cBN tool and (AlCrN) PVD Coated cBN tool for turning Inconel 718. Two different sets of experiments – one with uncoated cBN and another with coated cBN inserts wer... Read More about Performance evaluation of (AlCrN) PVD-coated cBN inserts on machining of Inconel 718..

A design technique for geometric optimisation of resonant coil sizes in low to mid frequency inductive power transmission systems. (2021)
Thesis
HEIDARIAN, M. 2021. A design technique for geometric optimisation of resonant coil sizes in low to mid frequency inductive power transmission systems. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1677972

Wireless power transfer (WPT) is a well-established method of energising electrically-powered devices. Among the different available WPT techniques, Resonant Inductive Power Transfer (RIPT) has been adapted for use in a wide range of applications. Th... Read More about A design technique for geometric optimisation of resonant coil sizes in low to mid frequency inductive power transmission systems..

Comparison of ceramic α-alumina and modified γ-alumina membranes for H2 separation. (2021)
Journal Article
ORAKWE, I., ALKALI, A., SHEHU, H. and GOBINA, E. 2021. Comparison of ceramic α-alumina and modified γ-alumina membranes for H2 separation. Membrane technology [online], 2021(11), pages 8-11. Available from: https://doi.org/10.1016/S0958-2118(21)00175-0

This article provides details of a study that investigates hydrogen (H2) separation, purification and transport behaviour of a ceramic α-alumina membrane and compares it with that of a γ-alumina membrane modified with Boehmite sol.

Machine learning methods for sign language recognition: a critical review and analysis. (2021)
Journal Article
ADEYANJU, I.A., BELLO, O.O. and ADEGBOYE, M.A. 2021. Machine learning methods for sign language recognition: a critical review and analysis. Intelligent systems with applications [online], 12, article 200056. Available from: https://doi.org/10.1016/j.iswa.2021.200056

Sign language is an essential tool to bridge the communication gap between normal and hearing-impaired people. However, the diversity of over 7000 present-day sign languages with variability in motion position, hand shape, and position of body parts... Read More about Machine learning methods for sign language recognition: a critical review and analysis..

Crude glycerol as a potential feedstock for future energy via thermochemical conversion processes: a review. (2021)
Journal Article
RAZA, M., INAYAT, A. and ABU-JDAYIL, B. 2021. Crude glycerol as a potential feedstock for future energy via thermochemical conversion processes: a review. Sustainability [online], 13(22), article number 12813. Available from: https://doi.org/10.3390/su132212813

Biodiesel is an emerging substitute for petroleum-based products. It is considered an ecologically safe and sustainable fuel. The high cost of biodiesel production is linearly related to its feedstock. Crude glycerol, which is a by-product of the bio... Read More about Crude glycerol as a potential feedstock for future energy via thermochemical conversion processes: a review..

A blend of traditional visual symbols in BIPV application: any prospects? (2021)
Journal Article
AWUKU, S.A., BENNADJI, A., MUHAMMAD-SUKKI, F. and SELLAMI, N. 2021. A blend of traditional visual symbols in BIPV application: any prospects? Academia letters [online], article 4029. Available from: https://doi.org/10.20935/AL4029

Traditional visual symbols are of great relevance, especially within the architectural space. Buildings may adopt symbols to depict culture, iconicity or identity. The quest to meet sustainable building targets and avert the looming effects of climat... Read More about A blend of traditional visual symbols in BIPV application: any prospects?.

Measuring residual strain and stress in thermal spray coatings using neutron diffractometers. (2021)
Journal Article
FAISAL, N.H., AHMED, R., PRATHURU, A.K., PARADOWSKA, A. and LEE, T.L. 2022. Measuring residual strain and stress in thermal spray coatings using neutron diffractometers. Experimental mechanics [online], 62(3), pages 369-392. Available from: https://doi.org/10.1007/s11340-021-00803-9

Background: During thermal spray coating, residual strain is formed within the coating and substrates due to thermo-mechanical processes and microstructural phase changes. Objective: This paper provides a comprehensive guide to researchers planning t... Read More about Measuring residual strain and stress in thermal spray coatings using neutron diffractometers..

Myth or gold? The power of aesthetics in the adoption of building integrated photovoltaics (BIPVs). (2021)
Journal Article
AWUKU, S.A., BENNADJI, A., MUHAMMAD-SUKKI, F. and SELLAMI, N. 2021. Myth or gold? The power of aesthetics in the adoption of building integrated photovoltaics (BIPVs). Energy nexus [online], 4, article number 100021. Available from: https://doi.org/10.1016/j.nexus.2021.100021

BIPV has gained a lot of attention in the solar world especially in recent times as the push for Net Zero Energy Buildings (NZEB) and concerns about landscape aesthetics increases. Aesthetics plays a critical role in the adoption of BIPVs as it is on... Read More about Myth or gold? The power of aesthetics in the adoption of building integrated photovoltaics (BIPVs)..

Immiscible displacement of trapped oil through experimental and data mining techniques. (2021)
Thesis
ABUNUMAH, O. 2021. Immiscible displacement of trapped oil through experimental and data mining techniques. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1987936

Extensive experimental and data mining techniques have been applied to investigate the potential and competitiveness of gases used in immiscible gas-enhanced oil recovery (EOR) processes. Methane (CH4), Nitrogen (N2), Air (21%O2/N2) and Carbon Dioxid... Read More about Immiscible displacement of trapped oil through experimental and data mining techniques..

Computational fluid dynamics modelling of multi-phase flow transition in presence of solid particles. (2021)
Thesis
ALAITA, D.A. 2021. Computational fluid dynamics modelling of multi-phase flow transition in presence of solid particles. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1603672

Multi-phase flow is the type of flow common in the oil and gas industry, as oil reservoirs contain mixtures of oil, gas and water with sand particles from sandstone reservoirs. Accurate design of oil and gas production equipment greatly depends on de... Read More about Computational fluid dynamics modelling of multi-phase flow transition in presence of solid particles..