All Outputs (109)

Manufacturing defects in thermoplastic composite pipes and their effect on the in-situ performance of thermoplastic composite pipes in oil and gas applications. (2022)
Journal Article
OKOLIE, O., LATTO, J., FAISAL, N., JAMIESON, H., MUKHERJI, A. and NJUGUNA, J. 2023. Manufacturing defects in thermoplastic composite pipes and their effect on the in-situ performance of thermoplastic composite pipes in oil and gas applications. Applied composite materials [online], 30(1), pages 231-306. Available from: https://doi.org/10.1007/s10443-022-10066-9

Thermoplastic composite pipes (TCP), which are a form of fibre reinforced thermoplastic pipes, have proven benefits such as being lightweight and non-corrosive. However, during manufacturing, certain defects are induced because of certain parameters,... Read More about Manufacturing defects in thermoplastic composite pipes and their effect on the in-situ performance of thermoplastic composite pipes in oil and gas applications..

Numerical prediction of the effect of thermal plume of a standing human on the airborne aerosol flow in a room: assessment of the social distancing rule. (2022)
Journal Article
HOSSAIN, M., CHINENYE-KANU, N., FAISAL, N.H., PRATHURU, A., ASIM, T. and BANIK, S. 2023. Numerical prediction of the effect of thermal plume of a standing human on the airborne aerosol flow in a room: assessment of the social distancing rule. Aerosol science and engineering [online], 7(1), pages 96-106. Available from: https://doi.org/https://doi.org/10.1007/s41810-022-00165-2

The purpose of the study is to investigate the dispersion of droplet nuclei/aerosol which are produced during coughing and continuous talking to quantify the risk of infection due to airborne disease transmission. A three-dimensional modelling of aer... Read More about Numerical prediction of the effect of thermal plume of a standing human on the airborne aerosol flow in a room: assessment of the social distancing rule..

Application of thermal spray coatings in electrolysers for hydrogen production: advances, challenges, and opportunities. (2022)
Journal Article
FAISAL, N.H., PRATHURU, A., AHMED, R. et al. 2022. Application of thermal spray coatings in electrolysers for hydrogen production: advances, challenges, and opportunities. ChemNanoMat [online], 8(12), article number e202200384. Available from: https://doi.org/10.1002/cnma.202200384

Thermal spray coatings have the advantage of providing thick and functional coatings from a range of engineering materials. The associated coating processes provide good control of coating thickness, morphology, microstructure, pore size and porosity... Read More about Application of thermal spray coatings in electrolysers for hydrogen production: advances, challenges, and opportunities..

Application of pencil lead break (PLB) point source in the detection of interfacial defects in adhesive bonds. (2022)
Journal Article
PRATHURU, A., FAISAL, N., STEEL, J. and JIHAN, S. 2022. Application of pencil lead break (PLB) point source in the detection of interfacial defects in adhesive bonds. Journal of nondestructive evaluation [online], 41(4), article 65. Available from: https://doi.org/10.1007/s10921-022-00898-7

The presence of kissing bonds (zero-thickness disbond) along the interface of an adhesive bond is highly detrimental to its strength and longevity. The detection of these kind of defects has previously been attempted using several techniques such as... Read More about Application of pencil lead break (PLB) point source in the detection of interfacial defects in adhesive bonds..

Sand production due to chemical-rock interaction: a review. (2022)
Journal Article
PERETOMODE, E., OLUYEMI, G. and FAISAL, N.H. 2022. Sand production due to chemical-rock interaction: a review. Engineering failure analysis [online], 142, article 106745. Available from: https://doi.org/10.1016/j.engfailanal.2022.106745

Oilfield chemicals are utilized in treating reservoir formations, wellbore completions, wellbore drilling, and to enhance reservoir productivity, which exerts pressure on the formation. Pressure from these processes cause the formation rock to weaken... Read More about Sand production due to chemical-rock interaction: a review..

Oilfield chemical-formation interaction and the effects on petrophysical properties: a review. (2022)
Journal Article
PERETOMODE, E., OLUYEMI, G. and FAISAL, N.H. 2022. Oilfield chemical-formation interaction and the effects on petrophysical properties: a review. Arabian journal of geosciences [online], 15(13), article 1223. Available from: https://doi.org/10.1007/s12517-022-10469-9

Oil and gas recovery may cause formation damage during drilling, completion, and production phases. As a result of fundamental chemical, thermal, mechanical, and biological interactions, formation damage can occur due to impairment of permeability an... Read More about Oilfield chemical-formation interaction and the effects on petrophysical properties: a review..

Evaluation of caprock integrity for underground storage of CO2 in depleted oil and gas reservoirs using machine learning approaches. (2022)
Presentation / Conference
AMINAHO, E.N., SANAEE, R. and FAISAL, N. 2022. Evaluation of caprock integrity for underground storage of CO2 in depleted oil and gas reservoirs using machine learning approaches. Presented at the Applicability of hydrocarbon subsurface workflows to CCS conference, 28-29 April 2022, London, UK.

Carbon Dioxide (CO2) geosequestration represents one of the most promising options for reducing atmospheric emissions of CO2. Caprock integrity - ascertained based on the petrophysical and geomechanical properties of caprock - is vital to ensure safe... Read More about Evaluation of caprock integrity for underground storage of CO2 in depleted oil and gas reservoirs using machine learning approaches..

A numerical study of the effects of temperature and injection velocity on oil-water relative permeability for enhanced oil recovery. (2022)
Journal Article
IYI, D., BALOGUN, Y., OYENEYIN, B. and FAISAL, N. 2022. A numerical study of the effects of temperature and injection velocity on oil-water relative permeability for enhanced oil recovery. International journal of heat and mass transfer [online], 191, article number 122863. Available from: https://doi.org/10.1016/j.ijheatmasstransfer.2022.122863

The paper quantitatively explore the influence of injection rate and temperature on oil-water relative permeability curves during hot water flooding operations in a porous medium flow. ANSYS-CFD was used to construct a numerical model of hot-water in... Read More about A numerical study of the effects of temperature and injection velocity on oil-water relative permeability for enhanced oil recovery..

Analysis of the performance challenges affecting state-owned refineries in Nigeria: a systems thinking approach. (2022)
Thesis
IHEUKWUMERE, O.E. 2022. Analysis of the performance challenges affecting state-owned refineries in Nigeria: a systems thinking approach. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1712811

This research aimed to understand how the significant factors that lead to performance challenges across Nigeria's state-owned refineries operationalise to drive their sub-optimal performance. As such, unlike previous studies, this thesis proposed to... Read More about Analysis of the performance challenges affecting state-owned refineries in Nigeria: a systems thinking approach..

Thermal spray coatings for electromagnetic wave absorption and interference shielding: a review and future challenges. (2022)
Journal Article
FASIAL, N.H., AHMED, R., SELLAMI, N. et al. 2022. Thermal spray coatings for electromagnetic wave absorption and interference shielding: a review and future challenges. Advanced engineering materials [online], 24(7), article number 2200171. Available from: https://doi.org/10.1002/adem.202200171

This review aims to consolidate scattered literature on thermally sprayed coatings with nonionizing electromagnetic (EM) wave absorption and shielding over specific wavelengths potentially useful in diverse applications (e.g., microwave to millimeter... Read More about Thermal spray coatings for electromagnetic wave absorption and interference shielding: a review and future challenges..

Effect of fillers on compression loading performance of modified re-entrant honeycomb auxetic sandwich structures. (2022)
Journal Article
FAISAL, N.H., SCOTT, L., BOOTH, F., DUNCAN, S., MCLEOD, A., DROUBI, M.G. and NJUGUNA, J. 2023. Effect of fillers on compression loading performance of modified re-entrant honeycomb auxetic sandwich structures. Journal of strain analysis for engineering design [online], 58(2), pages 98-117. Available from: https://doi.org/10.1177/03093247221083210

The auxetic sandwich panels for structures have been designed to provide impact protection. The aim of this work is to modify an auxetic (re-entrant) honeycomb cell to reduce the stress concentrations within the cell structure, and further enhancemen... Read More about Effect of fillers on compression loading performance of modified re-entrant honeycomb auxetic sandwich structures..

Evaluation of caprock integrity for underground storage of CO2 in depleted oil and gas reservoirs using machine learning approach. (2022)
Presentation / Conference
AMINAHO, E.N., SANAEE, R. and FAISAL, N. 2022. Evaluation of caprock integrity for underground storage of CO2 in depleted oil and gas reservoirs using machine learning approach. To be presented at 9th Annual student energy congress 2022 (ASEC 2022), 7-9 March 2022, Zagreb, Croatia.

Carbon (IV) oxide (CO2) geosequestration represents one of the most promising options for reducing atmospheric emissions of CO2. Capturing carbon dioxide is proposed as one solution to global climate change caused by anthropogenic gases in the atmosp... Read More about Evaluation of caprock integrity for underground storage of CO2 in depleted oil and gas reservoirs using machine learning approach..

Design and analysis of non-threaded drill pipe connector. (2022)
Thesis
THAKUR, J.O. 2022. Design and analysis of non-threaded drill pipe connector. Robert Gordon University, MRes thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-2271554

This thesis determines the feasibility and application opportunities of a Snap-Latch Ring design based on the Pin and Box non-threaded connectors design. Modern drill pipes are connected by rotary threaded shouldered connections that have been prone... Read More about Design and analysis of non-threaded drill pipe connector..

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..

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..

Strain monitoring. (2021)
Book Chapter
VANLANDUIT, S., SORGENTE, M., ZADEH, A.R., GÜEMES, A. and FAISAL, N. 2021. Strain monitoring. In Sause, M.G.R. and Jasiūnienė, E. (eds.) Structural health monitoring damage detection systems for aerospace. Springer aerospace technology. Cham: Springer [online], chapter 8, pages 219-241. Available from: https://doi.org/10.1007/978-3-030-72192-3_8

This chapter provides an overview of the use of strain sensors for structural health monitoring. Compared to acceleration-based sensors, strain sensors can measure the deformation of a structure at very low frequencies (up to DC) and enable the measu... Read More about Strain monitoring..

Defect types. (2021)
Book Chapter
FAISAL, N., CORA, Ö.N., BEKCI, M.L., ŚLIWA, R.E., STERNBERG, Y., PANT, S., DEGENHARDT, R. and PRATHURU, A. 2021. Defect types. In Sause, M.G.R. and Jasiūnienė, E. (eds.) Structural health monitoring damage detection systems for aerospace. Springer aerospace technology. Cham: Springer [online], chapter 3, pages 15-72. Available from: https://doi.org/10.1007/978-3-030-72192-3_3

This chapter provides an overview of the common types of defects found in various structural materials and joints in aircraft. Materials manufacturing methods (including large-scale production) have been established in the aircraft industry. However,... Read More about Defect types..

Defect detection and condition assessment of adhesively-bonded joints using acoustic emission techniques. (2021)
Thesis
CRAWFORD, A.R. 2021. Defect detection and condition assessment of adhesively-bonded joints using acoustic emission techniques. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1603651

The aim of this study is to investigate the application of acoustic emission (AE) techniques to the defect detection and monitoring of adhesively-bonded joints. Pencil Lead Breaks (PLBs) have been used as a simulated AE source to experimentally inves... Read More about Defect detection and condition assessment of adhesively-bonded joints using acoustic emission techniques..

A critical review on coupled geomechanics and fluid flow in naturally fractured reservoirs. (2021)
Journal Article
HAWEZ, H.K., SANAEE, R. and FAISAL, N.H. 2021. A critical review on coupled geomechanics and fluid flow in naturally fractured reservoirs. Journal of natural gas science and engineering [online], 95, article 104150. Available from: https://doi.org/10.1016/j.jngse.2021.104150

Naturally fractured reservoirs have been a source of challenging issues with regard to field development, well stability, drilling, and enhanced oil recovery, as a connected fracture system can totally dominate the flow patterns. Because of the high... Read More about A critical review on coupled geomechanics and fluid flow in naturally fractured reservoirs..

The impact of thermal ageing on sealing performance of HNBR packing elements in downhole installations in oilfield wellhead applications. (2021)
Journal Article
HASSANI, F., FAISAL, N.H., NISH, R., ROTHNIE, S. and NJUGUNA, J. 2022. The impact of thermal ageing on sealing performance of HNBR packing elements in downhole installations in oilfield wellhead applications. Journal of petroleum science and engineering [online], 208(part B), article 109200. Available from: https://doi.org/10.1016/j.petrol.2021.109200

Hydrogenated nitrile butyl rubber (HNBR) elastomers are highly resistant to chemicals and degradation, and they are good candidates to be adopted in aggressive environmental conditions of high temperature and pressure. As these service parameters are... Read More about The impact of thermal ageing on sealing performance of HNBR packing elements in downhole installations in oilfield wellhead applications..