All Outputs (604)

Oil-based mud waste as a filler material in LDPE composites: evaluation of mechanical properties. (2022)
Journal Article
SIDDIQUE, S., NOVAK, A., GULIYEV, E., YATES, K., LEUNG, P.S. and NJUGUNA, J. 2022. Oil-based mud waste as a filler material in LDPE composites: evaluation of mechanical properties. Polymers [online], 14(7), article 1455. Available from: https://doi.org/10.3390/polym14071455

Traditionally, the drilling waste generated in oil and gas exploration operations, including spent drilling fluid, is disposed of or treated by several methods, including burial pits, landfill sites and various thermal treatments. This study investig... Read More about Oil-based mud waste as a filler material in LDPE composites: evaluation of mechanical properties..

Rapid extraction of high- and low-density microplastics from soil using high-gradient magnetic separation. (2022)
Journal Article
RAMAGE, S.J.F.F., PAGALING, E., HAGHI, R.K., DAWSON, L.A., YATES, K., PRABHU, R., HILLIER, S. and DEVALLA, S. 2022. Rapid extraction of high- and low-density microplastics from soil using high-gradient magnetic separation. Science of the total environment, [online], 831, article 154912. Available from: https://doi.org/10.1016/j.scitotenv.2022.154912

Microplastics (MPs) are present in all environments, and concerns over their possible detrimental effects on flora and fauna have arisen. Density separation (DS) is commonly used to separate MPs from soils to allow MP quantification; however, it freq... Read More about Rapid extraction of high- and low-density microplastics from soil using high-gradient magnetic separation..

A study of zero bid wind farm for future Scotland’s energy demands: a new approach. (2022)
Journal Article
STODDART, C., MUHAMMAD-SUKKI, F., ANDERSON, M., ARDILA-REY, J.A., AYUB, A.S., MOHD SAHABUDDIN, M.F., RAHMAT, M.K., MUHTAZARUDDIN, M.N. and ZULKIPLI, M. 2022. A study of zero bid wind farm for future Scotland's energy demands: a new approach. Applied sciences [online], 12(7), article 3326. Available from: https://doi.org/10.3390/app12073326

Offshore wind is in a rapid transitional phase, pushed worldwide by efforts of those to reduce climate change. Wind power is becoming a commercialised, unsubsidised competitive form of low carbon generation of renewable energy. Marketplaces reflect t... Read More about A study of zero bid wind farm for future Scotland’s energy demands: a new approach..

A review of the sustainable utilization of rice residues for bioenergy conversion using different valorization techniques, their challenges, and techno-economic assessment. (2022)
Journal Article
KANIAPAN, S., PASUPULETI, J., NESAN, K.P., ABUBACKAR, H.N., UMAR, H.A., OLADOSU, T.L., BELLO, S.R. and RENE, E.R. 2022. A review of the sustainable utilization of rice residues for bioenergy conversion using different valorization techniques, their challenges, and techno-economic assessment. International journal of environmental research and public health [online], 19(6), article 3427. Available from: https://doi.org/10.3390/ijerph19063427

The impetus to predicting future biomass consumption focuses on sustainable energy, which concerns the non-renewable nature of fossil fuels and the environmental challenges associated with fossil fuel burning. However, the production of rice residue... Read More about A review of the sustainable utilization of rice residues for bioenergy conversion using different valorization techniques, their challenges, and techno-economic assessment..

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..

Application of momentum flux method for the design of an α-shaped flame incinerator fueled with two-component solid waste. (2022)
Journal Article
LIU, X., ZHU, G., ASIM, T. and MISHRA, R. 2022. Application of momentum flux method for the design of an α-shaped flame incinerator fueled with two-component solid waste. Energy [online], 248, article 123647. Available from: https://doi.org/10.1016/j.energy.2022.123647

Kitchen waste and tree branches are two of the most common solid waste materials suitable for on-site disposal. Quantification of combustion characteristics of these waste materials is vital for designing an appropriate incinerator. In this paper, th... Read More about Application of momentum flux method for the design of an α-shaped flame incinerator fueled with two-component solid waste..

Unusual activity of rationally designed cobalt phosphide/oxide heterostructure composite for hydrogen production in alkaline medium. (2022)
Journal Article
ALSABBAN, M.M., ESWARAN, M.K., PERAMAIAH, K., WAHYUDI, W., YANG, X., RAMALINGAM, V., HEDHILI, M.N., MIAO, X., SCHWINGENSCHLÖGL, U., LI, L.-J., TUNG, V. and HUANG, K.-W. 2022. Unusual activity of rationally designed cobalt phosphide/oxide heterostructure composite for hydrogen production in alkaline medium. ACS nano [online], 16(3), pages 3906-3916. Available from: https://doi.org/10.1021/acsnano.1c09254

Design and development of an efficient, nonprecious catalyst with structural features and functionality necessary for driving the hydrogen evolution reaction (HER) in an alkaline medium remain a formidable challenge. At the root of the functional lim... Read More about Unusual activity of rationally designed cobalt phosphide/oxide heterostructure composite for hydrogen production in alkaline medium..

Optimising crystallisation during rapid prototyping of Fe3O4-PA6 polymer nanocomposite component. (2022)
Journal Article
GUPTA, R., NJUGUNA, J. and PANCHOLI, K. 2022. Optimising crystallisation during rapid prototyping of Fe3O4-PA6 polymer nanocomposite component. Journal of composites science [online], 6(3), article 83. Available from: https://doi.org/10.3390/jcs6030083

Polymer components capable of self-healing can rapidly be manufactured by injecting the monomer (ε-caprolactam), activator and catalyst mixed with a small amount of magnetic nanoparticles into a steel mould. The anionic polymerisation of the monomer... Read More about Optimising crystallisation during rapid prototyping of Fe3O4-PA6 polymer nanocomposite component..

Public-private partnership in Ghana's solar energy industry: the history, current state, challenges, prospects and theoretical perspective. (2022)
Journal Article
AWUKU, S.A., BENNADJI, A., MUHAMMAD-SUKKI, F. and SELLAMI, N. 2022. Public-private partnership in Ghana's solar energy industry: the history, current state, challenges, prospects and theoretical perspective. Energy nexus [online], 6, article 100058. Available from: https://doi.org/10.1016/j.nexus.2022.100058

Public Private Partnerships (PPPs) have been used as a viable tool to accelerate infrastructural development in many countries. In recent years, the repercussions of climate change have heightened the need to adopt cleaner energy sources such as sola... Read More about Public-private partnership in Ghana's solar energy industry: the history, current state, challenges, prospects and theoretical perspective..

Offshore wind speed short-term forecasting based on a hybrid method: swarm decomposition and meta-extreme learning machine. (2022)
Journal Article
DOKUR, E., ERDOGAN, N., SALARI, M.E., KARAKUZU, C. and MURPHY, J. 2022. Offshore wind speed short-term forecasting based on a hybrid method: Swarm decomposition and meta-extreme learning machine. Energy [online], 248, article 123595. Available from: https://doi.org/10.1016/j.energy.2022.123595

As the share of global offshore wind energy in the electricity generation portfolio is rapidly increasing, the grid integration of large-scale offshore wind farms is becoming of interest. Due to the intermittency of wind, the stability of power syste... Read More about Offshore wind speed short-term forecasting based on a hybrid method: swarm decomposition and meta-extreme learning machine..

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..

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..

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..

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..

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..

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..