Structural response of a compliant pipe-in-pipe under frictionless and frictional conditions of the seabed.

Mohammed, Auwalu I.; Bartzas, Konstantinos; Johnson, Callum; Spence, Stuart; Skyes, Paul; Kidd, George; McConnachie, Jennifer; Njuguna, James

doi:10.1016/j.oceaneng.2023.114020

Computational fluid dynamics simulation of natural gas hydrate sloughing and pipewall shedding temperature profile: implications for CO2 transportation in subsea pipeline. (2023)
Journal Article
UMUTEME, O.M., ISLAM, S.Z., HOSSAIN, M. and KARNIK, A. 2023. Computational fluid dynamics simulation of natural gas hydrate sloughing and pipewall shedding temperature profile: implications for CO2 transportation in subsea pipeline. Gas science and engineering [online], 116, article number 205048. Available from: https://doi.org/10.1016/j.jgsce.2023.205048

The continuous flow assurance in subsea gas pipelines relies heavily on the assessment of temperature profile during hydrate sloughing and pipewall shedding caused by hydrates, with similar implications for carbon dioxide (CO2) transportation under h... Read More about Computational fluid dynamics simulation of natural gas hydrate sloughing and pipewall shedding temperature profile: implications for CO2 transportation in subsea pipeline..

Impacts of annealing temperature and time on the thermoelectric performance of recycled carbon fiber (RCF)/n-Bi2Te3 heterostructure thermoelectric composites. (2023)
Journal Article
JAGADISH, P., KHALID, M., WONG, W.P., PHEI LI. L., CHELVANATHAN, P., WALVEKAR, R., MUBARAK, N.M. and CHAN, A. 2023. Impacts of annealing temperature and time on the thermoelectric performance of recycled carbon fiber (RCF)/n-Bi2Te3 heterostructure thermoelectric composites. ECS journal of solid state science and technology [online], 12(6), article number 061004. Available from: https://doi.org/10.1149/2162-8777/acdd98

Recycling carbon fibre waste is crucial for sustainability in the composites industry. Herein, we report the fabrication of a heterostructure composite using recycled carbon fiber (RCF) and n-type bismuth telluride (n-Bi2Te3) for thermoelectric appli... Read More about Impacts of annealing temperature and time on the thermoelectric performance of recycled carbon fiber (RCF)/n-Bi2Te3 heterostructure thermoelectric composites..

Influence of feedstock and thermal spray process on the phase composition of alumina coatings and their sliding wear. (2023)
Journal Article
ALI, O., AHMED, R., TOMA, F.-L., BERGER, L.-M., MATTHEY, B., FAISAL, N. and AHMED, K. 2023. Influence of feedstock and thermal spray process on the phase composition of alumina coatings and their sliding wear. Journal of thermal spray technology [online], 32(7), pages 2028-2053. Available from: https://doi.org/10.1007/s11666-023-01597-z

Suspension thermal spraying is an emerging coating technology that enables the deposition of dense-structured ceramic coatings. As wear resistance is a main application field of alumina (Al2O3) coatings, this study aimed to evaluate the dry reciproca... Read More about Influence of feedstock and thermal spray process on the phase composition of alumina coatings and their sliding wear..

Developing a virtual engineering lab using ADDIE model. (2023)
Journal Article
AMISH, M. and JIHAN. S. 2023. Developing a virtual engineering lab using ADDIE model. Journal of e-learning research [online], 2(1), pages 50-69. Available from: https://doi.org/10.33422/jelr.v2i1.417

In recent years, digital competence has become essential at the workplace. There is a growing demand for engineers with both employability and digital skills. As a result of the technological advancements, the Virtual Laboratory (VLab) concept was cr... Read More about Developing a virtual engineering lab using ADDIE model..

Development of predictive optimization model for autonomous rotary drilling system using machine learning approach. (2023)
Journal Article
AMADI, K., IYALLA, I., PRABHU, R., ALSABA, M. and WALY, M. 2023. Development of predictive optimization model for autonomous rotary drilling system using machine learning approach. Journal of petroleum exploration and production technology [online], 13(10), pages 2049-2062. Available from: https://doi.org/10.1007/s13202-023-01656-9

The growing global energy demand and strict environmental policies motivate the use of technology and performance improvement techniques in drilling operations. In the traditional drilling method, the effort and time required to optimize drilling dep... Read More about Development of predictive optimization model for autonomous rotary drilling system using machine learning approach..

Numerical modeling of varying hemodynamic features with changing internal carotid artery bifurcation angles and degrees of stenosis. (2023)
Journal Article
AL BISHTAWI, B., SOO, Y.H., CHAN, A.T.Y. and SCRIBANO, G. 2023. Numerical modeling of varying hemodynamic features with changing internal carotid artery bifurcation angles and degrees of stenosis. European journal of mechanics - B/Fluids [online], 101, pages 176-194. Available from: https://doi.org/10.1016/j.euromechflu.2023.05.009

Atherosclerosis is a disease clinically categorized as a silent killer as its symptoms only become pronounced after the buildup has extensively progressed. Therefore, early detection, prediction and treatment become of great priority. The focus of th... Read More about Numerical modeling of varying hemodynamic features with changing internal carotid artery bifurcation angles and degrees of stenosis..

Investigating the potential of renewable-hydrogen energy storage systems (RHES) in enabling Scotland’s farming communities net-zero transition and sizing the proposed RHES system. (2023)
Journal Article
AL-ALI, H., ALI, D. and ATTEYA, A.I. 2023. Investigating the potential of renewable-hydrogen energy storage systems (RHES) in enabling Scotland’s farming communities net-zero transition and sizing the proposed RHES system. Green energy and environmental technology [online], 2, pages 1-32. Available from: https://doi.org/10.5772/geet.16

Renewable-hydrogen (H2) is a key component in Scotland's decarbonisation plans and its implementation in farming communities can support achieving net-zero goals. HydroGlen, a demonstrative renewable-powered farming community at Glensaugh, is used as... Read More about Investigating the potential of renewable-hydrogen energy storage systems (RHES) in enabling Scotland’s farming communities net-zero transition and sizing the proposed RHES system..

Investigation on mechanical and thermal properties of 3D-printed polyamide 6, graphene oxide and glass-fibre-reinforced composites under dry, wet and high temperature conditions. (2023)
Journal Article
ICHAKPA, M., GOODYEAR, M., DUTHIE, J., DUTHIE, M., WISELY, R., MACPHERSON, A., KEYTE, J., PANCHOLI, K. and NJUGUNA, J. 2023. Investigation on mechanical and thermal properties of 3d-printed polyamide 6, graphene oxide and glass-fibre-reinforced composites under dry, wet and high temperature conditions. Journal of composites science [online], 7(6), article 227. Available from: https://doi.org/10.3390/jcs7060227

This study is focused on 3D printing of polyamide 6 (PA6), PA6/graphene oxide (PA6/GO) and PA6/glass-fibre-reinforced (PA6/GF) composites. The effect of graphene oxide and glass-fibre reinforcement on 3D-printed PA6 is explored for improvement of the... Read More about Investigation on mechanical and thermal properties of 3D-printed polyamide 6, graphene oxide and glass-fibre-reinforced composites under dry, wet and high temperature conditions..

A model-based tracking control scheme for nonlinear industrial processes involving joint unscented Kalman filter. (2023)
Journal Article
BHADRA, S., PANDA, A., BHOWMICK, P. and KANNAN, S. 2023. A model-based tracking control scheme for nonlinear industrial processes involving joint unscented Kalman filter. Journal of control and decision [online], Latest Articles. Available from: https://doi.org/10.1080/23307706.2023.2202183

This paper proposes a model-based reference tracking scheme for stable, MIMO, nonlinear processes. A Joint Unscented Kalman Filtering technique is exploited here to develop a stochastic model of the physical process via simultaneous estimation of the... Read More about A model-based tracking control scheme for nonlinear industrial processes involving joint unscented Kalman filter..

A rough Dombi Bonferroni based approach for public charging station type selection. (2023)
Journal Article
DEVECI, M., ERDOGAN, N., PAMUCAR, D., KUCUKSARI, S. and CALI, U. 2023. A rough Dombi Bonferroni based approach for public charging station type selection. Applied energy [online], 345, article 121258. Available from: https://doi.org/10.1016/j.apenergy.2023.121258

As the transition to electric mobility accelerates, charging infrastructure is rapidly expanding. Publicly accessible chargers, also known as electric vehicle supply equipment (EVSE), are critical not only for further promoting the transition but als... Read More about A rough Dombi Bonferroni based approach for public charging station type selection..

Bio-based sustainable polymers and materials: from processing to biodegradation. (2023)
Journal Article
OKOLIE, O., KUMAR, A., EDWARDS, C., LAWTON, L.A., OKE, A., MCDONALD, S., THAKUR, V.K. and NJUGUNA, J. 2023. Bio-based sustainable polymers and materials: from processing to biodegradation. Journal of composites science [online], 7(6), article 213. Available from: https://doi.org/10.3390/jcs7060213

In the life cycle of a material, there will be either chemical or physical change due to varying environmental factors such as biological activity, light, heat, moisture, and chemical conditions. This process leads to polymer property change as perta... Read More about Bio-based sustainable polymers and materials: from processing to biodegradation..

The effect of ice floe on the strength, stability, and fatigue of hybrid flexible risers in the Arctic sea. (2023)
Journal Article
KOROTYGIN, D., NAMMI, S.K. and PANCHOLI, K. 2023. The effect of ice floe on the strength, stability, and fatigue of hybrid flexible risers in the Artic sea. Journal of composites science [online], 7(6), article 212. Available from: https://doi.org/10.3390/jcs7060212

Flexible risers have proven to be a popular choice for deepwater exploration due to their ability to withstand functional and environmental stress while maintaining system integrity. In the challenging arctic conditions, lightweight hybrid composite... Read More about The effect of ice floe on the strength, stability, and fatigue of hybrid flexible risers in the Arctic sea..

Flow-induced forces for a group of one large and several small structures in the sheared turbulent flow. (2023)
Journal Article
ANNAPEH, H.F. and KURUSHINA, V. 2023. Flow-induced forces for a group of one large and several small structures in the sheared turbulent flow. Fluids [online], 8(5), article number 158. Available from: https://doi.org/10.3390/fluids8050158

Evaluating the hydrodynamic force fluctuations acting on each structure in a group of subsea objects of different cross-section shapes, sizes and relative positions represents a challenge due to the sensitivity of the vortex shedding process, especia... Read More about Flow-induced forces for a group of one large and several small structures in the sheared turbulent flow..

Numerical investigations of a swirling two-phase air-water upward flow in straight and convergent vertical pipe. (2023)
Journal Article
MANIMARAN, R., KUMAR, M.S., KARUNAMURTHY, K. and HOSSAIN, M. 2023. Numerical investigations of a swirling two-phase air-water upward flow in straight and convergent vertical pipe. International journal of fluid mechanics research [online], 50(2), pages 31-57. Available from: https://doi.org/10.1615/InterJFluidMechRes.2023048031

In this paper, a numerical study is presented to analyze the flow parameters such as longitudinal and transverse velocities, hydrodynamic pressure, and volume fraction inside a vertical pipe. A vertical ascending swirl flow is established with the sp... Read More about Numerical investigations of a swirling two-phase air-water upward flow in straight and convergent vertical pipe..

Role of interface in optimisation of polyamide-6/Fe3O4 nanocomposite properties suitable for induction heating. (2023)
Journal Article
GUPTA, R., PANCHOLI, P.V., YU, X., GUPTA, L., STENNING, G.B.G., BUCKNALL, D., FLYNN, D. and PANCHOLI, K. 2023. Role of interface in optimisation of polyamide-6/Fe3O4 nanocomposite properties suitable for induction heating. Nano-structures and nano-objects [online], 34, article number 100973. Available from: https://doi.org/10.1016/j.nanoso.2023.100973

Induction heating of magnetic nanoparticles (MNPs) and localised melting of the surrounding high temperature engineering polymer matrix by generating microscopic or macroscopic eddy currents during magnetisation of a polymer nanocomposite (PMC) is cr... Read More about Role of interface in optimisation of polyamide-6/Fe3O4 nanocomposite properties suitable for induction heating..

Waste bone char-derived adsorbents: characteristics, adsorption mechanism and model approach. (2023)
Journal Article
HART, A., PORBENI, D.W., OMONMHENLE, S. and PERETOMODE, E. 2023. Waste bone char-derived adsorbents: characteristics, adsorption mechanism and model approach. Environmental technology reviews [online], 12(1), pages 175-204. Available from: https://doi.org/10.1080/21622515.2023.2197128

The increase in meat consumption will result in a significant amount of bone being generated as solid waste and causing pollution to the environment. By pyrolysis or gasification, waste bones can be converted into bone char (BC), which can be used as... Read More about Waste bone char-derived adsorbents: characteristics, adsorption mechanism and model approach..

Evaluation of pulse transit time for different sensing methodologies of arterial waveforms. (2023)
Journal Article
JANJUA, G.M.W., FINLAY, D., GULDENRING, D., HAQ, A.U. and MCLAUGHLIN, J. 2023. Evaluation of pulse transit time for different sensing methodologies of arterial waveforms. IEEE access [online], 11, pages 33928-33933. Available from: https://doi.org/10.1109/ACCESS.2023.3264291

We perform a novel comparative analysis between optically and mechanically derived pulse transit time (PTT), which is a universally employed technique for cuffless blood pressure (BP) estimation. Two inline photoplethysmogram (PPG) sensors were place... Read More about Evaluation of pulse transit time for different sensing methodologies of arterial waveforms..

Development of coconut oil/capric acid eutectic phase change material with graphene as latent thermal energy storage. (2023)
Journal Article
HASBI, S., LEONG, K.Y., KU AHMAD, K.Z., ABDUL RAHIM, N. and SAHARUDIN, M.S. 2023. Development of coconut oil/capric acid eutectic phase change material with graphene as latent thermal energy storage. International journal of automotive and mechanical engineering [online], 20(1), pages 10247-10257. Available from: https://doi.org/10.15282/ijame.20.1.2023.07.0792

In this study, a eutectic mixture of coconut oil (CO)-capric acid (CA) was synthesised and investigated with the aim of producing newly eutectic phase change materials (PCMs) with improved thermal properties as thermal energy storage (TES). Although... Read More about Development of coconut oil/capric acid eutectic phase change material with graphene as latent thermal energy storage..

Plug and abandonment of oil and gas wells: a comprehensive review of regulations, practices, and related impact of materials selection. (2023)
Journal Article
CHUKWUEMEKA, A.O., OLUYEMI, G., MOHAMMED, A.I. and NJUGUNA, J. 2023. Plug and abandonment of oil and gas wells: a comprehensive review of regulations, practices, and related impact of materials selection. Geoenergy science and engineering [online], 226, article 211718. Available from: https://doi.org/10.1016/j.geoen.2023.211718

This paper reviews the state of research in permanent barrier materials for plug and abandonment of oil and gas wells to identify key strengths and weaknesses of each barrier material and understand the impact of reservoir conditions and fluids on ba... Read More about Plug and abandonment of oil and gas wells: a comprehensive review of regulations, practices, and related impact of materials selection..

Structural response of a compliant pipe-in-pipe under frictionless and frictional conditions of the seabed. (2023)
Journal Article
MOHAMMED, A.I., BARTZAS, K., JOHNSON, C., SPENCE, S., SYKES, P., KIDD, G., MCCONNACHIE, J. and NJUGUNA, J. 2023. Structural response of a compliant pipe-in-pipe under frictionless and frictional conditions of the seabed. Ocean engineering [online], 276, article 114020. Available from: https://doi.org/10.1016/j.oceaneng.2023.114020

Pipe-in-Pipe (PIP) technology has been studied significantly owing to its superior performance in deep-water and high-pressure high temperature fields than conventional single pipe. The PIP system has excellent track record of mitigating flow assuran... Read More about Structural response of a compliant pipe-in-pipe under frictionless and frictional conditions of the seabed..

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