Recent Submissions

  • 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 ...
  • 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 ...
  • 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 ...
  • Neutron diffraction residual strain measurements of molybdenum carbide-based solid oxide fuel cell anode layers with metal oxides on Hastelloy X. 

    Faisal, Nadimul Haque; Ahmed, R.; Prathuru, Anil Kumar; Katikaneni, Sai P.; Goosen, M. F. A.; Zhang, Shu Yan (Springer https://doi.org/10.1007/s11340-017-0298-7, 2017-05-31)
    FAISAL, N.H., AHMED, R., PRATHURU, A.K., KATIKANENI, S.P., GOOSEN, M.F.A. and ZHANG, S-Y. 2017. Neutron diffraction residual strain measurements of molybdenum carbide-based solid oxide fuel cell anode layers with metal oxides on Hastelloy X. Experimental mechanics [online], First Online. Available from: https://doi.org/10.1007/s11340-017-0298-7
    Thermal spray deposition processes impart residual stress in layered Solid Oxide Fuel Cells (SOFC) materials and hence influence the durability and efficiency of the cell. The current study which is the first of its kind, ...
  • Physico-mechanical properties of nano polystyrene (nPS) decorated graphene oxide (GO) -epoxy composites. 

    Khobragade, Prashant S.; Hansora, D. P.; Naik, Jitendra B.; Njuguna, James; Mishra, Satyendra (Wiley https://doi.org/10.1002/pi.5392, 2017-04-26)
    KHOBRAGADE, P.S., HANSORA, D.P., NAIK, J.B., NJUGUNA, J. and MISHRA, S. 2017. Physico-mechanical properties of nano polystyrene (nPS) decorated graphene oxide (GO) -epoxy composites. Polymer international [online], Accepted Articles. Available from: https://doi.org/10.1002/pi.5392
    In this work, nano polystyrene (nPS) decorated graphene oxide (GO) hybrid nanostructures were successfully synthesized using stepwise micro emulsion polymerization, and characterized by Fourier transform infrared spectroscopy ...
  • Core-double shell hybrid nanocomposites as multi-fuctional advanced materials. 

    Khobragade, Prashant S.; Hansora, D. P.; Naik, Jitendra B.; Njuguna, James; Mishra, Satyendra (Springer https://doi.org/10.1007/s00289-017-1983-5, 2017-03-20)
    KHOBRAGADE, P.S., HANSORA, D.P., NAIK, J.B., NJUGUNA, J. and MISHRA, S. 2017. Core-double shell hybrid nanocomposites as multi-fuctional advanced materials. Polymer bulletin [online], First Online. Available from: https://doi.org/10.1007/s00289-017-1983-5
    In this research work, we report circular type silane-modified CaCO3 (as core) nanoparticles (NP) encapsulated with polystyrene (PS) and polymethyl methacrylate (PMMA) (as double shell layers). These core-double shell ...
  • Effect of multi-layered nanostructures on the physico-mechanical properties of ethylene vinyl acetate based hybrid nanocomposites. 

    Khobragade, Prashant S.; Hansora, D. P.; Naik, Jitendra B.; Njuguna, James; Mishra, Satyendra (Wiley https://doi.org/10.1002/pc.24371, 2017-04-12)
    KHOBRAGADE, P.S., HANSORA, D.P., NAIK, J.B., NJUGUNA, J. and MISHRA, S. 2017. Effect of multi-layered nanostructures on the physico-mechanical properties of ethylene vinyl acetate based hybrid nanocomposites. Polymer composites [online], Early View. Available from: https://doi.org/10.1002/pc.24371
    Exfoliated graphene oxide (GO) and Mg-Al-layered double hydroxides (LDHs) nanostructures (LDHs@GO)-filled ethylene vinyl acetate (EVA)-based hybrid nanocomposites were prepared by solution reflux technique followed by ...
  • Double skin façade: modelling technique and influence of venetian blinds on the airflow and heat transfer. 

    Iyi, Draco; Hasan, Reaz; Penlington, Roger; Underwood, Chris (Elsevier https://doi.org/10.1016/j.applthermaleng.2014.06.024, 2014-06-24)
    IYI, D., HASAN, R., PENLINGTON, R. and UNDERWOOD, C. 2014. Double skin façade: modelling technique and influence of venetian blinds on the airflow and heat transfer. Applied thermal engineering [online], 71(1), pages 219-229. Available from: https://doi.org/10.1016/j.applthermaleng.2014.06.024
    The demand to reduce building cooling load and annual energy consumption can be optimised with the use of Double Skin Facade (DSF). Computational Fluid Dynamics (CFD) methods are frequently used for the analysis of heat ...
  • Effect of emissivity on the heat and mass transfer of humid air in a cavity filled with solid obstacles. 

    Iyi, Draco; Hasan, Reaz; Penlington, Roger (Taylor and Francis https://doi.org/10.1080/10407782.2014.937261, 2014-12-10)
    IYI, D., HASAN, R. and PENLINGTON, R. 2015. Effect of emissivity on the heat and mass transfer of humid air in a cavity filled with solid obstacles. Numerical heat transfer, part A: applications [online], 67(5), pages 531-546. Available from: https://doi.org/10.1080/10407782.2014.937261
    The work reported here is a 2D numerical study on the buoyancy-driven low-speed turbulent flow of humid air inside a rectangular cavity partially filled with solid cylindrical objects for a Rayleigh number of 1.45 × 109. ...
  • Numerical investigation of nanostructured silica PCFs for sensing applications. 

    Johny, Jincy; Prabhu, Radhakrishna; Fung, Wai-Keung (Springer https://doi.org/10.1007/s11837-017-2366-y, 2017-05-03)
    JOHNY, J., PRABHU, R. and FUNG, W.K. 2017. Numerical investigation of nanostructured silica PCFs for sensing applications. Journal of The Minerals, Metals and Materials Society [online], Latest Articles. Available from: https://doi.org/10.1007/s11837-017-2366-y
    Photonic crystal fibers (PCFs) developed using nanostructured composite materials provide special optical properties. PCF light propagation and modal characteristics can be tailored by modifying their structural and material ...
  • Wind power potentials in Cameroon and Nigeria: lessons from South Africa. 

    Mas'ud, Abdullahi Abubakar; Wirba, Asan Vernyuy; Ardila-Rey, Jorge Alfredo; Albarracin, Ricardo; Muhammad-Sukki, Firdaus; Duque, Alvaro Jaramillo; Bani, Nurul Aini; Munir, Abu Bakar (MDPI https://doi.org/1996-1073/10/4/443, 2017-03-27)
    MAS'UD, A.A., WIRBA, A.V., ARDILA-REY, J.A., ALBARRACIN, R., MUHAMMAD-SUKKI, F., DUQUE, A.J., BANI, N.A. and MUNIR, A.B. 2017. Wind power potentials in Cameroon and Nigeria: lessons from South Africa. Energies [online], 10(4), article ID 443. Available from: https://doi.org/1996-1073/10/4/443.
    Wind energy has seen a tremendous growth for electricity generation worldwide and reached 456 GW by the end of June 2016. According to the World Wind Energy Association, global wind power will reach 500 GW by the end of ...
  • Acoustic emission method for defect detection and identification in carbon steel welded joints. 

    Droubi, M. Ghazi; Faisal, Nadimul Haque; Orr, Fraser; Steel, John A.; El-Shaib, Mohamed (Elsevier https://doi.org/10.1016/j.jcsr.2017.03.012, 2017-03-23)
    DROUBI, M.G., FAISAL, N.H., ORR, F., STEEL, J.A. and EL-SHAIB, M. 2017. Acoustic emission method for defect detection and identification in carbon steel welded joints. Journal of constructional steel research [online], 134, pages 28-37. Available from: https://doi.org/10.1016/j.jcsr.2017.03.012.
    Detecting welding defects in industrial equipment (welded joints and built-up structures) is a key aspect in evaluating the probability of failure in different situations. Acoustic emission (AE) is an effective non-destructive ...
  • Cyclic nanoindentation and nano-impact fatigue mechanisms of functionally graded TiN/TiNi film. 

    Faisal, Nadimul Haque; Prathuru, Anil Kumar; Goel, Saurav; Ahmed, R.; Droubi, M. Ghazi; Beake, Ben; Fu, Y. Q. (Springer https://doi.org/10.1007/s40830-017-0099-y, 2017-03-09)
    FAISAL, N.H., PRATHURU, A.K., GOEL, S., AHMED, R., DROUBI, M.G., BEAKE, B.D. and FU, Y.Q. 2017. Cyclic nanoindentation and nano-impact fatigue mechanisms of functionally graded TiN/TiNi film. Shape memory and superelasticity, Special issue: functional performance of shape memory alloys, invited paper, 3(2), pages 149-167. Available from: https://doi.org/10.1007/s40830-017-0099-y
    The mechanisms of nanoscale fatigue of functionally graded TiN/TiNi films have been studied using multiple-loading cycle nanoindentation and nano-impact tests. The functionally graded films were sputter-deposited onto ...
  • Impact of dispersed generation modes in optimal coordination between distributed generation and capacitor simultaneously. 

    Muhtazaruddin, Mohd Nabil; Bani, Nurul Aini; Jamian, Jasrul Jamani; Abu-Bakar, Siti Hawa; Muhammad-Sukki, Firdaus; Mas'ud, Abdullahi Abubakar (United Kingdom Simulation Society https://doi.org/10.5013/IJSSST.a.17.41.26, 2016-10-15)
    MUHTAZARUDDIN, M.N., BANI, N.A., JAMIAN, J.J., ABU-BAKAR, S.H., MUHAMMAD-SUKKI, F. and MAS'UD, A.A. 2016. Impact of dispersed generation modes in optimal coordination between distributed generation and capacitor simultaneously. International journal of simulation: systems, science and technology [online], 17(41), pages 26.1-26.5. Available from: https://doi.org/10.5013/IJSSST.a.17.41.26.
    This paper describes the impact of the mode selection in Distributed Generation (DG) has in order to reduce the total power losses in the distribution system when coordination between the DG and capacitor is done ...

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