Recent Submissions

  • Novel esterification reaction from biomass product by coupled acetate membrane and catalysts for ethyl lactate separation. 

    Okon, Edidiong; Shehu, Habiba; Gobina, Edward (Elsevier, 2017-09-08)
    OKON, E., SHEHU, H. and GOBINA, E. 2017. Novel esterification reaction from biomass product by coupled acetate membrane and catalysts for ethyl lactate separation. International journal of hydrogen energy [online], In Press. Available from: https://doi.org/10.1016/j.ijhydene.2017.07.230
    This study presents the effect of combined membrane separation and heterogeneous catalysts for the production of ethyl lactate solvent. The enhanced process is a flat sheet cellulose acetate membrane and cation-exchange ...
  • Efficiency improvement of vertical axis wind turbines with an upstream deflector. 

    Stout, Craig; Islam, Sheikh Zahidul; White, Alasdair; Arnott, Scott; Kollovozi, Erald; Shaw, Morven; Droubi, M. Ghazi; Sinha, Yashwant; Bird, Benjamin (Elsevier https://doi.org/10.1016/j.egypro.2017.07.032, 2017-04-07)
    STOUT, C., ISLAM, S., WHITE, A., ARNOTT, S., KOLLOVOZI, E., SHAW, M., DROUBI, G., SINHA, Y. and BIRD, B. 2017. Efficiency improvement of vertical axis wind turbines with an upstream deflector. Energy procedia [online], 118: proceedings of the 2nd international advances on clean energy research conference (ICACER 2017), 7-9 April 2017, Berlin, Germany, pages 141-148. Available from: https://doi.org/10.1016/j.egypro.2017.07.032
    The suitability of using an upstream deflector to improve the efficiency of a vertical axis wind turbine is presented in this study. A two-dimensional vertical axis wind turbine (VAWT) was modelled and simulated using ANSYS ...
  • Mixed-mode fracture characteristics of metal-to-metal adhesively bonded joints: experimental and simulation methods. 

    Droubi, M. Ghazi; McAfee, Jack; Horne, Ruairidh C.; Walker, S.; Klaassen, Callum; Crawford, A.; Prathuru, Anil Kumar; Faisal, Nadimul Haque (Elsevier https://doi.org/10.1016/j.prostr.2017.07.059, 2017-09-06)
    DROUBI, M.G., MCAFEE, J., HORNE, R.C., WALKER, S., KLAASSEN, C., CRAWFORD, A., PRATHURU, A.K. and FAISAL, N.H. 2017. Mixed-mode fracture characteristics of metal-to-metal adhesively bonded joints: experimental and simulation methods. Procedia structural integrity [online]: proceedings of the 2nd international structural integrity conference (ICSI 2017), 4-7 September 2017, Madeira, Portugal, 5, pages 40-47. Available from: https://doi.org/10.1016/j.prostr.2017.07.059
    Fracture behavior of adhesively bonded joints subjected to mixed-mode (i.e. mode I+II) loading conditions is of importance in many industrial applications. This research therefore aims to characterise the failure behaviour ...
  • A low complexity visual saliency model based on in-focus regions and centre sensitivity. 

    Chilukamari, Jayachandra; Kannangara, Sampath; Maxwell, Grant M. (IEEE https://doi.org/10.1109/ICCE-Berlin.2014.7034250, 2014-09-10)
    CHILUKAMARI, J., KANNANGARA, S. and MAXWELL, G. 2014. A low complexity visual saliency model based on in-focus regions and centre sensitivity. In Proceedings of the 4th IEEE international conference on consumer electronics - Berlin (ICCE-Berlin 2014), 7-10 September 2014, Berlin, Germany. New York: IEEE [online], pages 411-414. Available from: https://doi.org/10.1109/ICCE-Berlin.2014.7034250
    A novel low-complexity visual saliency detection algorithm for detecting salient regions in images is proposed. The algorithm derives salient regions based on in-focus regions and image centre sensitivity. The performance ...
  • Investigation of the effectiveness of video quality metrics in video pre-processing. 

    Chilukamari, Jayachandra; Kannangara, Sampath; Maxwell, Grant M. (IEEE https://doi.org/10.1109/ICCE-Berlin.2013.6698005, 2013-09-09)
    CHILUKAMARI, J., KANNANGARA, S. and MAXWELL, G. 2013. Investigation of the effectiveness of video quality metrics in video pre-processing. In Proceedings of the 3rd IEEE international conference on consumer electronics - Berlin (ICCE-Berlin 2013), 9-11 September 2013, Berlin, Germany. New York: IEEE [online], pages 1-5. Available from: https://doi.org/10.1109/ICCE-Berlin.2013.6698005
    This paper presents an investigation of the effectiveness of current video quality measurement metrics in measuring variations in perceptual video quality of pre-processed video. The results show that full-reference video ...
  • A DCT based in-focus visual saliency detection algorithm. 

    Chilukamari, Jayachandra; Kannangara, Sampath; Maxwell, Grant M. (IEEE https://doi.org/10.1109/ICCE-Berlin.2013.6698003, 2013-09-09)
    CHILUKAMARI, J., KANNANGARA, S. and MAXWELL, G. 2013. A DCT based in-focus visual saliency detection algorithm. In Proceedings of the 3rd IEEE international conference on consumer electronics - Berlin (ICCE-Berlin 2013), 9-11 September 2013, Berlin, Germany. New York: IEEE [online], pages 1-5. Available from: https://doi.org/10.1109/ICCE-Berlin.2013.6698003
    A novel low-complexity visual saliency detection algorithm for detecting visually salient regions in images based on camera focus is presented. This fast in-focus region detection algorithm detects salient-frequencies ...
  • Comparison of the performance of artificial neural networks and fuzzy logic for recognizing different partial discharge sources. 

    Mas'ud, Abdullahi Abubakar; Ardila-Rey, Jorge Alfredo; Albarracin, Ricardo; Muhammad-Sukki, Firdaus; Bani, Nurul Aini (MDPI https://doi.org/10.3390/en10071060, 2017-01-16)
    MAS'UD, A.A., ARDILA-REY, J.A., ALBARRACIN, R., MUHAMMAD-SUKKI, F. and BANI, N.A. 2017. Comparison of the performance of artificial neural networks and fuzzy logic for recognizing different partial discharge sources. Energies [online], 10(7), article number 1060. Available from: https://doi.org/10.3390/en10071060
    This paper compared the capabilities of the artificial neural network (ANN) and the fuzzy logic (FL) approaches for recognizing and discriminating partial discharge (PD) fault classes. The training and testing parameters ...
  • A critical evaluation of the prospects for a transition towards ocean based renewable energy development in Nigeria. 

    Osu, Victor Richard (Robert Gordon University School of Engineering, 2017-04-01)
    OSU, V.R. 2017. A critical evaluation of the prospects for a transition towards ocean based renewable energy development in Nigeria. Robert Gordon University, PhD thesis.
    The move towards addressing two pertinent energy challenges that is access to electricity and climate change has seen the transition towards sustainable forms of energy including Ocean Based Renewable Energy (OBRE). However, ...
  • A photocatalytic impeller reactor for gas phase heterogeneous photocatalysis. 

    Tokode, Oluwatosin; Prabhu, Radhakrishna; Lawton, Linda A.; Robertson, Peter K. J. (Elsevier https://doi.org/10.1016/j.jece.2017.07.068, 2017-07-29)
    TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2017. A photocatalytic impeller reactor for gas phase heterogeneous photocatalysis. Journal of environmental chemical engineering [online], 5(4), pages 3942-3948. Available from: https://doi.org/10.1016/j.jece.2017.07.068
    A novel photocatalytic reactor based on a stirred tank configuration has been described. This reactor employs the use of photocatalytic impellers to aid the mass transport of gaseous organic compounds during photocatalytic ...
  • A computational model of visual attention. 

    Chilukamari, Jayachandra (Robert Gordon University School of Engineering, 2017-02-01)
    CHILUKAMARI, J. 2017. A computational model of visual attention. Robert Gordon University, PhD thesis.
    Visual attention is a process by which the Human Visual System (HVS) selects most important information from a scene. Visual attention models are computational or mathematical models developed to predict this information. ...
  • Fuel cells as an energy source for desalination applications. 

    Faisal, Nadimul Haque; Ahmed, R.; Islam, Sheikh Zahidul; Hossain, Mamdud; Souentie, Stamatios; Katikaneni, Sai P.; Goosen, M. F. A. (CRC Press (member of Taylor & Francis) https://www.crcpress.com/Renewable-Energy-Technologies-for-Water-Desalination/Mahmoudi-Ghaffour-Goosen-Bundschuh/p/book/9781138029170, 2017-06-06)
    FAISAL, N., AHMED, R., ISLAM, S., HOSSAIN, M., STAMATIOS, S., KATIKANENI, S. and GOOSEN, M. 2017. Fuel cells as an energy source for desalination applications. In Mahmoudi, H., Ghaffour, N., Goosen, M.F.A. and Bundschuh, J. (eds.) Renewable energy technologies for water desalination. Boca Raton, FL: CRC Press, chapter 7, pages 131-145.
    Nowadays, there is a renewed interest in fuel cell technology from industry and academia, electrochemistry and catalysis scientists. This interest is due to environmental legislations for CO2 and other greenhouse gases ...
  • Assessment of nanoparticles release into the environment during drilling of carbon nanotubes/epoxy and carbon nanofibres/epoxy nanocomposites. 

    Starost, Kristof; Frijns, Evelien; Van Laer, Jo; Faisal, Nadimul Haque; Egizabal, Ainhoa; Elizextea, Cristina; Blazquez, Maria; Nelissen, Inge; Njuguna, James (Elsevier https://doi.org/10.1016/j.jhazmat.2017.06.057, 2017-06-27)
    STAROST, K., FRIJNS, E., VAN LAER, J., FAISAL, N., EGIZABAL, A., ELIZEXTEA, C., BLAZQUEZ, M., NELISSEN, I. and NJUGUNA, J. 2017. Assessment of nanoparticles release into the environment during drilling of carbon nanotubes/epoxy and carbon nanofibres/epoxy nanocomposites. Journal of hazardous materials [online], 340, pages 57-66. Available from: https://doi.org/10.1016/j.jhazmat.2017.06.057
    The risk assessment, exposure and understanding of the release of embedded carbon nanotubes (CNTs) and carbon nanofibers (CNFs) from commercial high performance composites during machining processes is yet to be fully ...
  • Evaluation of the performance of α-alumina nano-porous ceramic composite membrane for esterification applications in petroleum refinery. 

    Okon, Edidiong; Shehu, Habiba; Gobina, Edward (Elsevier https://doi.org/10.1016/j.cattod.2017.05.089, 2017-06-10)
    OKON, E., SHEHU, H. and GOBINA, E. 2017. Evaluation of the performance of α-alumina nano-porous ceramic composite membrane for esterification applications in petroleum refinery. Catalysis today [online], In Press. Available from: https://doi.org/10.1016/j.cattod.2017.05.089
    The carrier gas permeation performance through α-alumina nano-porous ceramic membrane was investigated in this study. The four carrier gases used for the study were argon (Ar), helium (He), nitrogen (N2) and carbon dioxide ...
  • Influence of post-treatment on the microstructural and tribomechanical properties of suspension thermally sprayed WC-12 wt%Co nanocomposite coatings. 

    Ali, O.; Ahmed, R.; Faisal, Nadimul Haque; Alanazi, Nayef M.; Berger, L.-M.; Kaiser, A.; Toma, F.-L.; Polychroniadis, E. K.; Sall, M.; Elakwah, Y.O.; Goosen, M. F. A. (Springer https://doi.org/10.1007/s11249-017-0815-y, 2017-01-19)
    ALI, O., AHMED, R., FAISAL, N.H., ALANAZI, N.M., BERGER, L.-M., KAISER, A., TOMA, F.-L., POLYCHRONIADIS, E.K., SALL, M., ELAKWAH, Y.O. and GOOSEN, M.F.A. 2017. Influence of post-treatment on the microstructural and tribomechanical properties of suspension thermally sprayed WC-12 wt%Co nanocomposite coatings. Tribology letters [online], 65(2), article 33. Available from: https://doi.org/10.1007/s11249-017-0815-y
    The potential to improve the tribomechanical performance of HVOF-sprayed WC-12Co coatings was studied by using aqueous WC-12Co suspensions as feed-stock. Both as-sprayed and hot-isostatic-pressed (HIPed) coatings were ...
  • Study on the structural, morphological and optical properties of RF-sputtered dysprosium-doped barium tungstate thin films. 

    Hridya, S.; Kavitha, V. S.; Chalana, S. R.; Reshmi Krishnan, R.; Sreeja Sreedharan, R.; Suresh, S.; Nampoori, V. P. N.; Sankararaman, S.; Prabhu, Radhakrishna; Pillai, V. P. Mahadevan (Springer https://doi.org/10.1007/s11837-017-2360-4, 2017-04-27)
    HRIDYA, S., KAVITHA, V.S., CHALANA, S.R., RESHMI KRISHNAN, R., SREEJA SREEDHARAN, R., SURESH, S., NAMPOORI, V.P.N., SANKARARAMAN, S., PRABHU, R. and MAHADEVAN PILLAI, V.P. 2017. Study on the structural, morphological and optical properties of RF-sputtered dysprosium-doped barium tungstate thin films. Journal of the minerals, metals and materials society [online], Online First. Available from: https://doi.org/10.1007/s11837-017-2360-4
    Barium tungstate films with different Dy3+ doping concentrations, namely 0 wt.%, 1 wt.%, 3 wt.% and 5 wt.%, are deposited on cleaned quartz substrate by radio frequency magnetron sputtering technique and the prepared films ...
  • Recovery of VOC from offshore and onshore shuttle tankers using structured Y-type zeolite membranes. 

    Habiba, Shehu; Ajayi, Adebayo; Okon, Edidiong; Gobina, Edward (Springer https://doi.org/10.1007/978-981-10-2717-8_38, 2017-03-13)
    HABIBA, S., AJAYI, A., EDIDIONG, O. and GOBINA, E. 2017. Recovery of VOC from offshore and onshore shuttle tankers using structured Y-type zeolite membranes. In Ao, SI., Kim, H.K. and Amouzegar, M.A. (eds.) Transactions on engineering technologies: revised selections from proceedings of the World congress on engineering and computer science 2015 (WCECS 2015), 21 - 23 October 2015, San Francisco, USA. Singapore: Springer [online], pages 541-553. Available from: https://doi.org/10.1007/978-981-10-2717-8_38
    The emissions of volatile organic compounds (VOCs) from onshore and offshore facilities are studied and an alternative technology for the recovery of methane and propane by the use of membrane technology is explored. ...
  • Futuristic nanomaterials and composites: part II. 

    Kim, Chang-Soo; Lehmhus, Dirk; Njuguna, James; Paramsothy, Muralidharan; Shofner, Meisha Lei (Springer https://doi.org/10.1007/s11837-015-1685-0, 2015-10-28)
    KIM, C-S., LEHMHUS, D., NJUGUNA, J., PARAMSOTHY, M. and SHOFNER, M.L. 2015. Futuristic nanomaterials and composites: part II. JOM [online], 68(1), pages 261-264. Available from: https://doi.org/10.1007/s11837-015-1685-0
    The present special topic "Futuristic Nanomaterials and Composites: Part II" is a continuation of last month's topic "Futuristic Nanomaterials and Composites: Part I". In this continuation, inspiration is once again drawn ...
  • Thermal, mechanical and rheological behaviors of nanocomposites based on UHMWPE/paraffin oil/carbon nanofiller obtained by using different dispersion techniques. 

    Visco, Annamaria; Yousef, Samy; Galtieri, Giovanna; Nocita, Davide; Pistone, Alessandro; Njuguna, James (Springer https://doi.org/10.1007/s11837-016-1845-x, 2016-02-19)
    VISCO, A., YOUSEF, S., GALTIERI, G., NOCITA, D., PISTONE, A. and NJUGUNA, J. 2016. Thermal, mechanical and rheological behaviors of nanocomposites based on UHMWPE/paraffin oil/carbon nanofiller obtained by using different dispersion techniques. JOM [online], 68(4), pages 1078-1089. Available from: https://doi.org/10.1007/s11837-016-1845-x
    Ultra-high molecular weight polyethylene (UHMWPE) is a very attractive polymer employed as a high performance material. For its high viscosity, dispersion of fillers is considered a critical point in UHMWPE nanocomposites ...
  • Preparation and analysis of multi-layered hybrid nanostructures. 

    Khobragade, Prashant S.; Hansora, D. P.; Naik, Jitendra B.; Njuguna, James; Mishra, Satyendra (Elsevier https://doi.org/10.1016/j.clay.2016.08.022, 2016-09-01)
    KHOBRAGADE, P.S., HANSORA, D.P., NAIK, J.B., NJUGUNA, J. and MISHRA, S. 2016. Preparation and analysis of multi-layered hybrid nanostructures. Applied clay science [online], 132-133, pages 668-674. Available from: https://doi.org/10.1016/j.clay.2016.08.022
    In this study, we report a simple and efficient (bath ultrasonication) method for the preparation of multi-functional layered hybrid nanostructures using graphene oxide (GO) and modified Mg-Al layered double hydroxides ...
  • The effect of nanosilica (SiO2) and nanoalumina (Al2O3) reinforced polyester nanocomposites on aerosol nanoparticle emissions into the environment during automated drilling. 

    Starost, Kristof; Frijns, Evelien; Van Laer, Jo; Faisal, Nadimul Haque; Egizabal, Ainhoa; Elizextea, Cristina; Nelissen, Inge; Blazquez, Maria; Njuguna, James
    STAROST, K., FRIJNS, E., VAN LAER, J., FAISAL, N., EGIZABAL, A., ELIZEXTEA, C., NEILSSEN, I., BALZQUEZ, M. and NJUGUNA, J. [2017] The effect of nanosilica (SiO2) and nanoalumina (Al2O3) reinforced polyester nanocomposites on aerosol nanoparticle emissions into the environment during automated drilling. Aerosol science and technology [online], (accepted).
    The aim of this study is to investigate the effect nanosilica and nanoalumina has on nanoparticle release from industrial nanocomposites due to drilling for hazard reduction whilst simultaneously obtaining the necessary ...

View more