All Outputs (1205)

Building integrated photovoltaics: the journey so far and future. (2022)
Journal Article
AWUKU, S.A., MUHAMMAD-SUKKI, F. and SELLAMI, N. 2022. Building integrated photovoltaics: the journey so far and future. Energies [online], 15(5): building integrated PV system, article 1802. Available from: https://doi.org/10.3390/en15051802

The road to decarbonization has led to the exploration of sustainable energy sources for domestic and industrial use. Various nations have shown commitment and, hence, set ambitious targets, with the overall aim of cutting down greenhouse gas (GHG) e... Read More about Building integrated photovoltaics: the journey so far and future..

Material challenges and opportunities in 3D printing for hip implant applications. (2022)
Journal Article
OKOLIE, O., STACHUREK, I., KANDASUBRAMANIAN, B. and NJUGUNA, J. 2022. Material challenges and opportunities in 3D printing for hip implant applications. Recent progress in materials [online], 4(1): 3D printing of engineering materials, article 2201004. Available from: https://doi.org/10.21926/rpm.2201004

There is a current need for tissue and organ repairs, replacement and regeneration for the patients who suffer from diseased/damaged tissues or organs. This situation is continuously on the rise and the supply on this form of therapy does not meet th... Read More about Material challenges and opportunities in 3D printing for hip implant applications..

Optimization of the wake oscillator for transversal VIV. (2022)
Journal Article
KURUSHINA, V., POSTNIKOV, A., FRANZINI, G.R. and PAVLOVSKAIA, E. 2022. Optimization of the wake oscillator for transversal VIV. Journal of marine science and engineering [online], 10(2), article number 293. Available from: https://doi.org/10.3390/jmse10020293

Vibrations of slender structures associated with the external flow present a design challenge for the energy production systems placed in the marine environment. The current study explores the accuracy of the semi-empirical wake oscillator models for... Read More about Optimization of the wake oscillator for transversal VIV..

Sliding mode control with disturbance estimation for underwater robot. (2022)
Conference Proceeding
MOTOI, N., HIRAYAMA, D., YOSHIMURA, F., SABRA, A. and FUNG, W.-K. 2022. Sliding mode control with disturbance estimation for underwater robot. In Proceedings of 17th IEEE (Institute of Electrical and Electronics Engineers) international conference on Advanced motion control (AMC) 2022 (AMC 2022), 18-20 February 2022, Padova, Italy: [virtual conference]. Available from: https://doi.org/10.1109/AMC51637.2022.9729280

This paper proposes a sliding mode control with a disturbance estimation for an underwater robot. The mobility performance of an underwater robot is influenced by modeling error, observation noise, and several disturbances such as ocean current and t... Read More about Sliding mode control with disturbance estimation for underwater robot..

Co-simulation of optimal EVSE and techno-economic system design models for electrified fleets. (2022)
Journal Article
ERDOGAN, N., KUCUKSARI, S. and CALI, U. 2022. Co-simulation of optimal EVSE and techno-economic system design models for electrified fleets. IEEE access [online], 10, pages 18988-18997. Available from: https://doi.org/10.1109/ACCESS.2022.3150359

As the transition to electric mobility is expanding at a rapid pace, operationally feasible and economically viable charging infrastructure is needed to support electrified fleets. This paper presents a co-simulation of optimal electric vehicle suppl... Read More about Co-simulation of optimal EVSE and techno-economic system design models for electrified fleets..

On the mechanical properties of melt-blended nylon 6/ethylene-octene copolymer/graphene nanoplatelet nanocomposites. (2022)
Journal Article
ATTAR, S., CHEN, B., CICALA, G., CATALANOTTI, G., SCALICI, T. and FALZON, B.G. 2022. On the mechanical properties of melt-blended nylon 6/ethylene-octene copolymer/graphene nanoplatelet nanocomposites. Polymer [online], 243, article 124619. Available from: https://doi.org/10.1016/j.polymer.2022.124619

Ethylene-octene copolymer (EOC) with a loading level of 20 wt%, maleated EOC (EOC-g-MA) with a loading level of 3 wt% and graphene nanoplatelets (GnPs) at four different loading levels, i.e., 3 wt%, 5 wt%, 10 wt% and 15 wt% were added to nylon 6 to p... Read More about On the mechanical properties of melt-blended nylon 6/ethylene-octene copolymer/graphene nanoplatelet nanocomposites..

An assessment of renewable energy development in energy mix for Togo. (2022)
Journal Article
KANSONGUE, N., NJUGUNA, J. and VERTIGANS, S. 2022. An assessment of renewable energy development in energy mix for Togo. International journal of sustainable energy [online], 41(8), pages 1037-1056. Available from: https://doi.org/10.1080/14786451.2021.2023150

The Togolese government plans to achieve 100% electrification to all by 2030, to meet the Millennium goals. The Delphi method is used with the experts drawn from policymakers, academic institutions, financial institutions, non-governmental institutio... Read More about An assessment of renewable energy development in energy mix for Togo..

Co-pyrolysis for bio-oil production via fixed bed reactor using date seeds and plastic waste as biomass. (2022)
Journal Article
INAYAT, A., ROCHA-MENESES, L., GHENAI, C., ABDALLAH, M., SHANABLEH, A., AL-ALI, K., ALGHFELI, A. and ALSUWAIDI, R. 2022. Co-pyrolysis for bio-oil production via fixed bed reactor using date seeds and plastic waste as biomass. Case studies in thermal engineering [online], 31, article number 101841. Available from: https://doi.org/10.1016/j.csite.2022.101841

The consumption of plastic bottles is relatively high in the United Arab Emirates (UAE). Therefore, in this study authors investigated the potential of combined plastic waste and locally available biomass (date seeds) to produce value-added products... Read More about Co-pyrolysis for bio-oil production via fixed bed reactor using date seeds and plastic waste as biomass..

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..

Multi-temporal analysis of past and future land cover change in the highly urbanized state of Selangor, Malaysia. (2022)
Journal Article
AZARI, M., BILLA, L. and CHAN, A. 2022. Multi-temporal analysis of past and future land cover change in the highly urbanized state of Selangor, Malaysia. Ecological processes [online], 11, article number 2. Available from: https://doi.org/10.1186/s13717-021-00350-0

This study analysed the multi-temporal trend in land cover, and modelled a future scenario of land cover for the year 2030 in the highly urbanized state of Selangor, Malaysia. The study used a Decision Forest-Markov chain model in the land change mod... Read More about Multi-temporal analysis of past and future land cover change in the highly urbanized state of Selangor, Malaysia..

Simple deterministic selection-based genetic algorithm for hyperparameter tuning of machine learning models. (2022)
Journal Article
RAJI, I.D., BELLO-SALAU, H., UMOH, I.J., ONUMANYI, A.J., ADEGBOYE, M.A. and SALAWUDEEN, A.T. 2022. Simple deterministic selection-based genetic algorithm for hyperparameter tuning of machine learning models. Applied sciences [online], 12(3), article 1186. Available from: https://doi.org/10.3390/app12031186

Hyperparameter tuning is a critical function necessary for the effective deployment of most machine learning (ML) algorithms. It is used to find the optimal hyperparameter settings of an ML algorithm in order to improve its overall output performance... Read More about Simple deterministic selection-based genetic algorithm for hyperparameter tuning of machine learning models..

Comparative analysis of the performance of hydrophobically associating polymer, xanthan and guar gum as mobility control agent, in enhanced oil recovery application. (2022)
Journal Article
OGUNKUNLE, T.F., ONI, B.A., AFOLABI, R.O., FADAIRO, A.S., OJO, T. and ADESINA, O. 2022. Comparative analysis of the performance of hydrophobically associating polymer, xanthan and guar gum as mobility control agent, in enhanced oil recovery application. Journal of King Saud University (Engineering science)[online], 34(7), pages 402-407. Available from: https://doi.org/10.1016/j.jksues.2022.01.003

This study aimed at evaluating the performance of hydrophobically associating polymer (HAPAM), xanthan gum, and guar gum in enhanced oil recovery (EOR) processes. Their performances in terms of oil recovery applications were investigated through rheo... Read More about Comparative analysis of the performance of hydrophobically associating polymer, xanthan and guar gum as mobility control agent, in enhanced oil recovery application..

Tuneable magnetic nanocomposites for remote self-healing? [Dataset] (2022)
Dataset
GUPTA, R., FOOTER, C., STENNING, G., DARR, J. and PANCHOLI, K. [2022]. Tuneable magnetic nanocomposites for remote self-healing? [Dataset]. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1579700

The aim of this research is to develop a method to prepare a multiferroic-Polyamide 6 (PA6) nanocomposite with tuneable magnetocaloric properties for self-healing structure. It was shown that maintaining the low interaction radius through the dispers... Read More about Tuneable magnetic nanocomposites for remote self-healing? [Dataset].

Nanoporous gas transport in shale gas reservoirs. (2022)
Journal Article
OGOUN, E., OGUNLUDE, P., ABUNOMAH, O. and GOBINA, E. 2022. Nanoporous gas transport in shale gas reservoirs. International journal on engineering, science and technology [online], 4(1), pages 73-84. Available from: https://doi.org/10.46328/ijonest.70

In more conventional gas reservoirs, gas flow is simple, uncomplicated, and described by simple flux pressure drop expressions. In shale reservoirs however, this relationship takes the form of a more complex and multiscale flow process involving spec... Read More about Nanoporous gas transport in shale gas reservoirs..

Effect of reservoir structural rhythm on carbon capture and sequestration (CCS) performance. (2022)
Journal Article
ABUNUMAH, O., OGUNLUDE, P., OGOUN, E., RAMALAN, M., ANTWI, S., AISUENI, F., HASHIM, I. and GOBINA, E. 2022. Effect of reservoir structural rhythm on carbon capture and sequestration (CCS) performance. International journal on engineering, science and technology [online], 4(1), pages 41-53. Available from: https://doi.org/10.46328/ijonest.72

In addition to the evolution of green and nano energy, sequestration of CO2 is also an evolving method to control the global CO2 footprint and greenhouse effect. Carbon Capture and Sequestration (CCS) is an established technique to capture carbon fro... Read More about Effect of reservoir structural rhythm on carbon capture and sequestration (CCS) performance..

Mass transfer characteristics through alumina membranes with different pores sizes and porosity. (2022)
Journal Article
OGUNLUDE, P., ABUNOMAH, O., HASHIM, I., AISUENI, F., OGOUN, E., ANTWI, S., RAMALAN, M., WILLIAMWEST, T., SUKKI, F.M. and GOBINA, E. 2022. Mass transfer characteristics through alumina membranes with different pores sizes and porosity. International journal of engineering, science and technology [online], 4(1), pages 99-123. Available from: https://doi.org/10.46328/ijonest.71

Different membranes covering the macroporous to nano-pororous range and having different porosities have been used to study the mass transfer of methane and carbon dioxide single gases. The effect of flow parameters on the transport mechanisms throug... Read More about Mass transfer characteristics through alumina membranes with different pores sizes and porosity..

Characterization and hydrodynamic evaluation of the relationship between permeability and microstructure parameters ceramic membranes for the separation of oil-in-water emulsion. (2022)
Journal Article
AISUENI, F., GOBINA, E., HASHIM, I. and OGOUN, E. 2022. Characterization and hydrodynamic evaluation of the relationship between permeability and microstructure parameters ceramic membranes for the separation of oil-in-water emulsion. International journal of engineering, science and technology [online], 4(1), pages 14-20. Available from: https://doi.org/10.46328/ijonest.69

Ceramic membranes for wastewater treatment are usually fine filters prepared by sintering of alumina, titania or zirconia powders at ultra-high temperatures and have an asymmetric cross-section using the same material or a combination of the three gi... Read More about Characterization and hydrodynamic evaluation of the relationship between permeability and microstructure parameters ceramic membranes for the separation of oil-in-water emulsion..

A review of recent advancements in offshore wind turbine technology. (2022)
Journal Article
ASIM, T., ISLAM, S.Z., HEMMATI, A. and KHALID, M.S.U. 2022. A review of recent advancements in offshore wind turbine technology. Energies [online], 15(2), article 579. Available from: https://doi.org/10.3390/en15020579

Offshore wind turbines are becoming increasingly popular due to their higher wind energy harnessing capabilities and lower visual pollution. Researchers around the globe have been reporting significant scientific advancements in offshore wind turbine... Read More about A review of recent advancements in offshore wind turbine technology..

Parametric analysis using CFD to study the impact of geometric and numerical modeling on the performance of a small scale horizontal axis wind turbine. (2022)
Journal Article
SIDDIQUI, M.S., KHALID, M.H., BADAR, A.W., SAEED, M. and ASIM, T. 2022. Parametric analysis using CFD to study the impact of geometric and numerical modeling on the performance of a small scale horizontal axis wind turbine. Energies [online], 15(2), article 505. Available from: https://doi.org/10.3390/en15020505

The reliance on Computational Fluid Dynamics (CFD) simulations has drastically increased over time to evaluate the aerodynamic performance of small-scale wind turbines. With the rapid variability in customer demand, industrial requirements, economic... Read More about Parametric analysis using CFD to study the impact of geometric and numerical modeling on the performance of a small scale horizontal axis wind turbine..

The fate of waste drilling fluids from oil and gas industry activities in the exploration and production operations. (2022)
Journal Article
NJUGUNA, J., SIDDIQUE, S., KWROFFIE, L.B., PIROMRAT, S., ADDAE-AFOAKWA, K., EKEH-ADEGBOTOLU, U., OLUYEMI, G., YATES, K., MISHRA, A.K. and MOLLER, L. 2022. The fate of waste drilling fluids from oil and gas industry activities in the exploration and production. Waste management [online], 139, pages 362-380. Available from: https://doi.org/10.1016/j.wasman.2021.12.025

Operational discharges from oil and gas exploration industry, accidental spillage, or improperly disposed drilling wastes has serious detrimental effects on human and the environment. The water- and oil-based fluids wastes are generated every year al... Read More about The fate of waste drilling fluids from oil and gas industry activities in the exploration and production operations..