Recent Submissions

  • Characterisation of inorganic composite ceramic membrane for lactic acid esterification processes. 

    Okon, Edidiong; Shehu, Habiba; Gobina, Edward (Trans Tech Publications http://dx.doi.org/10.4028/www.scientific.net/AMR.1102.99, 2015-05-01)
    OKON, E., SHEHU, H. and GOBINA, E. 2015. Characterisation of inorganic composite ceramic membrane for lactic acid esterification processes. Advanced materials research, 1102, Coddet, C. (ed.) Selected papers from the 2015 international conference on metal, ceramic and composite materials (ICMCCM-2015), 24-25 January 2015, Shanghai, China. Pfaffikon, Switzerland: Trans Tech Publications [online], pages 99-102. Available from: http://dx.doi.org/10.4028/www.scientific.net/AMR.1102.99.
    The use of inorganic composite membranes in chemical industries has received a lot of attention more recently due to a number of exceptional advantages including thermal stability and robustness. Inorganic membranes can ...
  • Hydrogen transport through dense and porous membranes for fuel cell applications. 

    Nwogu, Ngozi Claribelle; Alkali, A.; Gobina, Edward (Atlantis Press http://dx.doi.org/10.2991/itms-15.2015.40, 2015-03-01)
    NWOGU, N.C., ALKALI, A. and GOBINA, E. 2015. Hydrogen transport through dense and porous membranes for fuel cell applications. Advances in computer science research, 34, Proceedings of the 1st international conference on industrial technology and management science (ITMS 2015), 27-28 March 2015, Tianjin, China. Amsterdam: Atlantis press [online], pages 157-160. Available from: http://dx.doi.org/10.2991/itms-15.2015.40
    In this work the design of a nano structured ceramic membrane is carried out for fuel cell applications. However the innovation is that a membrane porous network is modified through its immersion in silica based solution ...
  • Rheological behaviour of single-phase non-Newtonian polymer solution in complex pore geometry: a simulation approach. 

    Idahosa, Patrick E.G.; Oluyemi, Gbenga Folorunso; Prabhu, Radhakrishna; Oyeneyin, Babs (COMSOL https://www.comsol.com/paper/rheological-behaviour-of-single-phase-non-newtonian-polymer-solution-in-complex--18685, 2014-09-17)
    IDAHOSA, P., OLUYEMI, G., PRABHU, R. and OYENEYIN, B. 2014. Rheological behaviour of single-phase non-Newtonian polymer solution in complex pore geometry: a simulation approach. In Proceedings of the 2014 COMSOL conference, 17-19 September 2014, Cambridge, UK. Burlington: COMSOL [online], pages 2372-2215. Available from: https://www.comsol.com/paper/rheological-behaviour-of-single-phase-non-newtonian-polymer-solution-in-complex--18685
    One of the most important criteria for evaluating chemical enhanced oil recovery (EOR) processes that use polymers is its rheological behaviour which in turn account for other physical effects of adsorption and resistance ...
  • Validation of a novel approach for CO2/N2 gas separations by means of a hybrid ceramic membrane. 

    Nwogu, Ngozi Claribelle; Kajama, Mohammed; Gobina, Edward (Trans Tech Publications http://dx.doi.org/10.4028/www.scientific.net/AMR.1102.73, 2015-05-01)
    NWOGU, N.C, KAJAMA, M.N. and GOBINA, E. 2015. Validation of a novel approach for CO2/N2 gas separations by means of a hybrid ceramic membrane. Advanced materials research, 1102: Coddet, C. (ed.) Selected papers from the 2015 international conference on metal, ceramic and composite materials (ICMCCM-2015), 24-25 January 2015, Shanghai, China. Pfaffikon, Switzerland: Trans Tech Publications [online], pages 73-76. Available from: http://dx.doi.org/10.4028/www.scientific.net/AMR.1102.73.
    Global warming has been documented as one of the world?s foremost ecological concerns. Although it is difficult to totally end human related global warming, there is a possibility to alleviate these effects through a wide ...
  • Microstructural evaluation of suspension thermally sprayed WC-Co nanocomposite coatings. 

    Ahmed, R.; Faisal, Nadimul Haque; Ali, O.; Al-Anazi, N. M.; Al-Mutairi, S.; Mamour, S.; Polychroniadis, E. K.; Goosen, M. F. A. (Springer http://dx.doi.org/10.1007/978-3-319-16919-4_5, 2015-05-05)
    AHMED, R., FAISAL, N.H., ALI, O., AL-ANAZI, N.M., AL-MUTAIRI, S., MAMOUR, S., POLYCHRONIADIS, E.K. and GOOSEN, M.F.A. 2015. Microstructural evaluation of suspension thermally sprayed WC-Co nanocomposite coatings. Springer proceedings in physics [online], 164, Proceedings of the 2nd international multidisciplinary microscopy and microanalysis congress (InterM), 16-19 October 2014, Oludeniz, Turkey. Pages 31-38. Available from: http://dx.doi.org/10.1007/978-3-319-16919-4_5
    Microstructural and sliding wear evaluations of nanostructured coatings deposited by Suspension High Velocity Oxy-Fuel (S-HVOF) spraying were conducted in as-sprayed and HIPed (Hot Isostatically Pressed) conditions. S-HVOF ...
  • Effect of diffuse radiation on the performance of a rotationally asymmetrical optical concentrator. 

    Freier, Daria; Muhammad-Sukki, Firdaus; Abu-Bakar, Siti Hawa; Ramirez-Iniguez, Roberto; Munir, Abu Bakar; Yasin, Siti Hajar Mohd; Mas'ud, Abdullahi Abubakar; Bani, Nurul Aini (IEEE https://dx.doi.org/10.1109/ICP.2016.7510017, 2016-03-14)
    FREIER, D., MUHAMMAD-SUKKI, F., ABU-BAKAR, S.H., RAMIREZ-INIGUEZ, R., MUNIR, A.B., YASIN, S.H.M., MAS'UD, A.A. and BANI, N.A. 2016. Effect of diffuse radiation on the performance of a rotationally asymmetrical optical concentrator. In the Proceedings of the 6th IEEE international conference on photonics (ICP), 14-16 March 2016, Sarawak, Malaysia. New York: IEEE [online], pages 71-73. Available from: https://dx.doi.org/10.1109/ICP.2016.7510017
    This paper evaluates the performance of a recently patented rotationally asymmetrical dielectric totally internally reflective concentrator (RADTIRC) under diffuse radiation. The RADTIRC has a geometrical concentration ...
  • Statistical error tolerances of partial discharge recognition rates. 

    Mas'ud, Abdullahi Abubakar; Eltayeb, Mohammed; Muhammad-Sukki, Firdaus; Bani, Nurul Aini (IEEE https://dx.doi.org/10.1109/CSUDET.2015.7446217, 2015-10-15)
    MAS'UD, A.A., ELTAYEB, M., MUHAMMAD-SUKKI, F. and BANI, N.A. 2015. Statistical error tolerances of partial discharge recognition rates. In Proceedings of the 2015 IEEE conference on sustainable utilization and development in engineering and technology (CSUDET), 15-17 October 2015, Negeri Selangor, Malaysia. New York: IEEE [online], pages 1-5. Available from: https://dx.doi.org/10.1109/CSUDET.2015.7446217
    This paper compares the statistical error tolerances of the single neural network (SNN) and the ensemble neural network (ENN) recognition efficiencies, when both the SNN and ENN are applied to recognize partial discharge ...
  • Registration of nanomaterials and nano-enabled products: solution in regulation and governance or new challenge. 

    Munir, Abu Bakar; Karim, Md Ershadul; Yasin, Siti Hajar Mohd; Muhammad-Sukki, Firdaus (NANO SciTech Centre, 2016-02-26)
    MUNIR, A.B., KARIM, M.E., YASIN, S.H.M. and MUHAMMAD-SUKKI, F. 2016. Registration of nanomaterials and nano-enabled products: solution in regulation and governance or new challenge. In the Proceedings of the International seminar on nanoscience and nanotechnology (NANOSciTech2016), 26-29 February 2016, Shah Alam, Malaysia. Shah Alam: NANO-SciTech Centre, pages 10-11.
    Regulation and governance of infinite number and diversified types of engineered nanomaterials has been a genuine challenge for the regulators around the world in recent times. Recent experience with the genetically modified ...
  • Novel optical concentrator technology for building integrated photovoltaic systems. 

    Abu-Bakar, Siti Hawa; Muhammad-Sukki, Firdaus; Ramirez-Iniguez, Roberto; Freier, Daria; Mallick, Tapas Kumar; Munir, Abu Bakar; Yasin, Siti Hajar Mohd; Mas'ud, Abdullahi Abubakar; Bani, Nurul Aini (IET, 2016-06-24)
    ABU-BAKAR, S.H., MUHAMMAD-SUKKI, F., RAMIREZ-INIGUEZ, R., FREIER, D., MALLICK, T.K., MUNIR, A.B., YASIN, S.H.M., MAS'UD, A.A. and BANI, N.A. 2016. Novel optical concentrator technology for building integrated photovoltaic systems. In the Proceedings of the 2016 world conference on innovation, engineering and technology (IET2016), 24-26 June 2016, Sapporo, Japan.
    This paper describes a novel type of solar concentrator for use in Building Integrated Photovoltaic (BIPV) Systems. The new design called rotationally asymmetrical compound parabolic concentrator (RACPC) is based on a novel ...
  • Training neural networks using Taguchi methods: overcoming interaction problems. 

    Viswanathan, Alagappan; Macleod, Christopher; Maxwell, Grant M.; Kalidindi, Sashank (Springer https://dx.doi.org/10.1007/11550907_17, 2005-09-01)
    VISWANATHAN, A., MACLEOD, C., MAXWELL, G. and KALIDINDI, S. 2005. Training neural networks using Taguchi methods: overcoming interaction problems. Lecture notes in computer science [online], 3697, Proceedings of the 15th international conference on artifical neural networks (ICANN 2005): formal models and their applications, 11-15 September 2005, Warsaw, Poland, part 2, pages 103-108. Available from: https://dx.doi.org/10.1007/11550907_17
    Taguchi Methods (and other orthogonal arrays) may be used to train small Artificial Neural Networks very quickly in a variety of tasks. These include, importantly, Control Systems. Previous experimental work has shown that ...
  • Tensile failure analysis of structural materials using acoustic emission. 

    Mowat, John J.; Jihan, Sha; Droubi, M. Ghazi (EWSHM 2016 (Organisers) http://www.ndt.net/events/EWSHM2016/app/content/Paper/140_Droubi.pdf, 2016-07-05)
    MOWAT, J., JIHAN, S. and DROUBI, M.G. 2016. Tensile failure analysis of structural materials using acoustic emission. In Proceedings of the 8th European workshop on structural health monitoring (EWSHM 2016), 5-8 July 2016, Bilbao, Spain. Available from: http://www.ndt.net/events/EWSHM2016/app/content/Paper/140_Droubi.pdf
    Materials testing is an extremely important process in the modern world with new colossal structures being built in every corner of the earth, with the ever increasing size of structures making safety of vital importance. ...
  • Impact of distributed generation modes in optimal coordination between dG and capacitor simultaneously. 

    Muhtazaruddin, M. N.; Bani, Nurul Aini; Jamian, J. J.; Abu-Bakar, Siti Hawa; Muhammad-Sukki, Firdaus; Mas'ud, Abdullahi Abubakar (POSC, 2016-03-26)
    MUHTAZARUDDIN, M.N.B., BANI, N.A., JAMIAN, J.J., ABU-BAKAR, S.H., MUHAMMAD-SUKKI, F. and MAS'UD, A.A. 2016. Impact of distributed generation modes in optimal coordination between dG and capacitor simultaneously. In Proceedings of the 10th International power engineering and optimization conference 2016 (PEOCO2016), 26-27 March 2016, Shah Alam, Malaysia.
    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 simultaneously ...
  • Investigation of positioning of FBG sensors for smart monitoring of oil and gas subsea structures. 

    Johny, Jincy; Prabhu, Radhakrishna; Fung, Wai-Keung; Watson, John (IEEE https://dx.doi.org/10.1109/OCEANSAP.2016.7485662, 2016-04-10)
    JOHNY, J., PRABHU, R., FUNG, W. and WATSON, J. 2016. Investigation of positioning of FBG sensors for smart monitoring of oil and gas subsea structures. In the Proceedings of the MTS/IEEE OCEANS 2016 conference: our future is with oceans, 10-13 April 2016, Shanghai, China. Shanghai: MTS/IEEE [online], paper 151207-036. Available from: https://dx.doi.org/10.1109/OCEANSAP.2016.7485662
    Condition monitoring of offshore structures is an indispensable task in the oil and gas industry. Fibre Bragg Grating (FBG) is the key technology used down-hole in order to sense different physical parameters such as strain, ...
  • Design and implementation of 30kW 200/900v LCL modular multilevel based DC/DC converter for high power applications. 

    Fazeli, S. M.; Aboushady, Ahmed A.; Ahmed, Khaled H.; Jovcic, Dragan (IET http://dx.doi.org/10.1049/cp.2016.0144, 2016-04-19)
    FAZELI, S.M., ABOUSHADY, A.A., AHMED, K.H. and JOVCIC, D. 2016. Design and implementation of 30kW 200/900v LCL modular multilevel based DC/DC converter for high power applications. In the Proceedings of the 8th IET international conference on power electronics, machines and drives, 19-21 April 2016, Glasgow, UK. New York: IET [online]. Available from: http://dx.doi.org/10.1049/cp.2016.0144
    This paper presents the design, development and testing of a 30kW, 200V/900V modular multilevel converter (MMC) based DC/DC converter prototype. An internal LCL circuit is used to provide voltage stepping and fault tolerance ...
  • DC fault isolation study of bidirectional dual active bridge DC/DC converter for DC transmission grid application. 

    Harrye, Yasen A.; Ahmed, Khaled H.; Aboushady, Ahmed A. (IEEE https://dx.doi.org/10.1109/IECON.2015.7392592, 2015-11-09)
    HARRYE, Y.A., AHMED, K.H. and ABOUSHADY, A.A. 2015. DC fault isolation study of bidirectional dual active bridge DC/DC converter for DC transmission grid application. In the Proceedings of the 41st annual conference of the IEEE industrial electronics society (IECON 2015), 9-12 November 2015, Yokohama, Japan. New York: IEEE [online], pages 003193-003198. Available from: https://dx.doi.org/10.1109/IECON.2015.7392592.
    Fast isolation and detection of DC faults is currently a limiting factor in high power DC transmission grid development. Recent research has shown that the role of DC/DC converters is becoming increasingly important in ...
  • Modular multilevel converter based LCL DC/DC converter for high power DC transmission grids. 

    Aboushady, Ahmed A.; Ahmed, Khaled H.; Jovcic, Dragan (EPE 2015 ECCE Europe (Organisers), 2015-09-08)
    ABOUSHADY, A.A., AHMED, K.H. and JOVCIC, D. 2015. Modular multilevel converter based LCL DC/DC converter for high power DC transmission grids. In the Proceedings of the 17th European conference on power electronics and applications (EPE 2015 ECCE Europe), 8-10 September 2015, Geneva, Switzerland.
    This paper presents a modular multilevel converter (MMC) based DC/DC converter with LCL inner circuit for HVDC transmission and DC grids. Three main design challenges are addressed. The first challenge is the use of MMCs ...
  • Analysis and hardware testing of cell capacitor discharge currents during DC faults in half-bridge modular multilevel converters. 

    Aboushady, Ahmed A.; Ahmed, Khaled H.; Jovcic, Dragan (IEEE https://dx.doi.org/10.1049/cp.2015.0010, 2015-02-10)
    ABOUSHADY, A.A., AHMED, K.H. and JOVCIC, D. 2015. Analysis and hardware testing of cell capacitor discharge currents during DC faults in half-bridge modular multilevel converters. In the Proceedings of the 11th international conference on AC and DC power transmission, 10-12 February 2015, Birminham, UK. New York: IEEE [online], pages 1-7. Available from: https://dx.doi.org/10.1049/cp.2015.0010
    This paper focuses on the behaviour of the cell capacitor discharge currents during DC faults in half-bridge modular multilevel converters. Active switches, not designed for fault conditions, are tripped to minimize discharge ...
  • Modified half-bridge modular multilevel converter for HVDC systems with DC fault ride-through capability. 

    Ahmed, Khaled H.; Aboushady, Ahmed A. (IEEE https://dx.doi.org/10.1109/IECON.2014.7049207, 2014-10-30)
    AHMED, K.H. and ABOUSHADY, A.A. 2014. Modified half-bridge modular multilevel converter for HVDC systems with DC fault ride-through capability. In the Proceedings of the 40th annual conference of the IEEE industrial electronics society (IECON 2014), 30 October - 1 November 2014, Dallas, USA. New York: IEEE [online], pages 4676-4682. Available from: https://dx.doi.org/10.1109/IECON.2014.7049207.
    One of the main challenges of voltage source converter based HVDC systems is DC faults. In this paper, two different modified half-bridge modular multilevel converter topologies are proposed. The proposed converters offer ...
  • Sensorless multi-loop control of phase-controlled series-parallel resonant converter. 

    Aboushady, Ahmed A.; Ahmed, Khaled H. (IEEE https://dx.doi.org/10.1109/ICRERA.2014.7016435, 2014-10-19)
    ABOUSHADY, A.A. and AHMED, K.H. 2014. Sensorless multi-loop control of phase-controlled series-parallel resonant converter. In the Proceedings of the 3rd international conference on renewable energy research and applications (ICRERA 2014), 19-22 October 2014, Milwaukee, USA. New York: IEEE [online], pages 502-507. Available from: https://dx.doi.org/10.1109/ICRERA.2014.7016435.
    This paper proposes a multi-loop controller for the phase-controlled series-parallel resonant converter. Output voltage is solely measured for control and inner loop is used to enhance closed loop stability and dynamic ...
  • Reactive power minimization of dual active bridge DC/DC converter with triple phase shift control using open loop neural network. 

    Harrye, Yasen A.; Ahmed, Khaled H.; Aboushady, Ahmed A. (IEEE https://dx.doi.org/10.1109/ICRERA.2014.7016448, 2014-10-19)
    HARRYE, Y.A., AHMED, K.H. and ABOUSHADY, A.A. 2014. Reactive power minimization of dual active bridge DC/DC converter with triple phase shift control using neural network. In the Proceedings of the 3rd international conference on renewable energy research and applications (ICRERA 2014), 19-22 October 2014, Milwaukee, USA. New York: IEEE [online], pages 566-571. Available from: https://dx.doi.org/10.1109/ICRERA.2014.7016448
    Reactive power flow increases dual active bridge (DAB) converter RMS current leading to an increase in conduction losses especially in high power applications. This paper proposes a new optimized triple phase shift (TPS) ...

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