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 ...
  • A laboratory study of rail-wheel interaction monitoring using acoustic emission: effect of rolling conditions with and without lateral rattling. 

    Thakkar, Nirav A.; Steel, John A.; Reuben, R. L. (SAGE http://dx.doi.org/10.1177/0954409712458497, 2012-09-13)
    THAKKAR, N.A., STEEL, J.A. and REUBEN, R.L. 2012. A laboratory study of rail-wheel interaction monitoring using acoustic emission: effect of rolling conditions with and without lateral rattling. Proceedings of the Institution of Mechanical Engineers, part F: journal of rail and rapid transit [online], 227(2), pages 161-175. Available from: http://dx.doi.org/10.1177/0954409712458497
    This paper presents part of an extended laboratory study on the potential to apply the acoustic emission (AE) technique for in-situ rail-wheel interaction monitoring using rail-mounted sensors. The essential monitoring ...
  • 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 ...
  • Experimental verification of the vibro-impact capsule model. 

    Liu, Yang; Pavlovskaia, Ekaterina; Wiercigroch, Marian (Springer http://dx.doi.org/10.1007/s11071-015-2385-6, 2015-09-16)
    LIU, Y., PAVLOVSKAIA, E. and WIERCIGROCH, M. 2016. Experimental verification of the vibro-impact capsule model. Nonlinear dynamics [online], 83(1), pages 1029-1041. Available from: http://dx.doi.org/10.1007/s11071-015-2385-6
    In this paper, an experimental verification of the vibro-impact capsule model proposed by Liu et al. in [1-3] is presented. The capsule dynamics is investigated experimentally by varying the stiffness of the support spring, ...
  • Wear characterizations of polyoxymethylene (POM) reinforced with carbon nanotubes (POM/CNTs) using the paraffin oil dispersion technique. 

    Yousef, Samy; Visco, Annamaria; Galtieri, Giovanna; Njuguna, James (Springer http://dx.doi.org/10.1007/s11837-015-1674-3, 2015-10-19)
    YOUSEF, S., VISCO, A.M., GALTIERI, G. and NJUGUNA, J. 2016. Wear characterizations of polyoxymethylene (POM) reinforced with carbon nanotubes (POM/CNTs) using the paraffin oil dispersion technique. JOM: Journal of the minerals, metals and materials society [online], 68(1), pages 288-299. Available from: http://dx.doi.org/10.1007/s11837-015-1674-3
    The wear of polyoxymethylene (POM) is considered a key design parameter of polymer gears and some mechanical applications, and it determines the service time span. This work investigates the influence of carbon nanotubes ...
  • Investigation of CO2 sequestration during gold heavy oil production. 

    Tchambak, E.; Oyeneyin, Babs; Oluyemi, Gbenga Folorunso (Taylor and Francis http://dx.doi.org/10.1080/15567036.2010.520068, 2013-05-03)
    TCHAMBAK, E., OYENEYIN, B. and OLUYEMI, G. 2013. Investigation of CO2 sequestration during gold heavy oil production. Energy sources, part A: recovery, utilization, and environmental effects [online], 35(12), pages 1174-1184. Available from: http://dx.doi.org/10.1080/15567036.2010.520068
    CO2 sequestration during cold heavy oil production using captured carbon dioxide was investigated using REVEAL of Petroleum Experts. The results indicated that the CO2 release was influenced by the production phases. The ...
  • The effect of pH on the photonic efficiency of the destruction of methyl orange under controlled periodic illumination with UV-LED sources. 

    Tokode, Oluwatosin; Prabhu, Radhakrishna; Lawton, Linda A.; Robertson, Peter K. J. (Elsevier http://dx.doi.org/10.1016/j.cej.2014.03.002, 2014-03-12)
    TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2014. The effect of pH on the photonic efficiency of the destruction of methyl orange under controlled periodic illumination with UV-LED sources. Chemical engineering journal [online], 246, pages 337-342. Available from: http://dx.doi.org/10.1016/j.cej.2014.03.002
    The nature of photon interaction and reaction pH can have significant impacts on semiconductor photocatalysis. This paper describes the effect of pH on the photonic efficiency of photocatalytic reactions in the aqueous ...
  • The prospect of deepwater heavy oil production using CO2-EOR. 

    Tchambak, E.; Oyeneyin, Babs; Oluyemi, Gbenga Folorunso (Taylor and Francis http://dx.doi.org/10.1080/15567036.2011.585373, 2015-01-07)
    TCHAMBAK, E., OYENEYIN, B. and OLUYEMI, G. 2015. The prospect of deepwater heavy oil production using CO2-EOR. Energy sources, part A: recovery, utilization and environmental effects [online], 37(3), pages 318-325. Available from: http://dx.doi.org/10.1080/15567036.2011.585373
    The prospect of unconventional oil development has long been coming to offset the rapid decline of conventional crude. And looking ahead, the worry is already turning away from the onshore exploitation to the challenging ...
  • 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 ...
  • Experimental study of gas flux characteristics in a CO2 selective silica based modified membrane. 

    Nwogu, Ngozi Claribelle; Kajama, Mohammed; Gobina, Edward (IAEME http://www.iaeme.com/MasterAdmin/UploadFolder/IJARET_05_08_001/IJARET_05_08_001.pdf, 2014-08-20)
    NWOGU, N.C., KAJAMA, M.N. and GOBINA, E. 2014. Experimental study of gas flux characteristics in a CO2 selective silica based modified membrane. International journal of advanced research in engineering and technology (IJARET) [online], 5(8), pages 1-9. Available from: http://www.iaeme.com/MasterAdmin/Journal_uploads/IJARET/VOLUME_5_ISSUE_8/IJARET_05_08_001.pdf
    The purpose of membrane gas separation for CO2 capture from flue gas process is to reduce greenhouse emissions as well as associated environmental challenges globally. This study looks at gas separation in a single gas ...
  • Volatile organic compounds destruction by catalytic oxidation for environmental applications. 

    Kajama, Mohammed; Nwogu, Ngozi Claribelle; Gobina, Edward (WASET http://scholar.waset.org/1999.6/10001436, 2015-06-01)
    KAJAMA, M.N., NWOGU, N.C. and GOBINA, E. 2015. Volatile organic compounds destruction by catalytic oxidation for environmental applications. International journal of environmental, chemical, ecological, geological and geophysical engineering, 9(6), pages 618-621. World academy of science, engineering and technology international science index 102 [online]. Available from: http://scholar.waset.org/1999.6/10001436
    Pt/γ-Al2O3 membrane catalysts were prepared via an evaporative-crystallization deposition method. The obtained Pt/γ- Al2O3 catalyst activity was tested after characterization (SEM-EDAX observation, BET measurement, ...
  • 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 ...
  • Preparation and characterization of inorganic membranes for hydrocarbon separation from N2 for environmental applications. 

    Kajama, Mohammed; Shehu, Habiba; Okon, Edidiong; Gobina, Edward (Canadian Center of Science and Education (CCSE) http://dx.doi.org/10.5539/eer.v5n1p110, 2015-05-20)
    KAJAMA, M.N., SHEHU, H., OKON, E. and GOBINA, E. 2015. Preparation and characterization of inorganic membranes for hydrocarbon separation from N2 for environmental applications. Energy and environment research [online], 5(1), pages 110-120. Available from: http://dx.doi.org/10.5539/eer.v5n1p110
    This paper reports the preparation and characterization of gas transport using tubular alumina support and silica membrane for propylene (C3H6) and nitrogen (N2) separation. Dip-coating technique was employed to deposit ...
  • Structure-property relationships in a CoCrMo alloy at micro and nano-scales. 

    Ahmed, R.; de Villiers Lovelock, H.L.; Faisal, Nadimul Haque; Davies, S. (Elsevier http://dx.doi.org/10.1016/j.triboint.2014.06.015, 2014-07-05)
    AHMED, R., DE VILLIERS LOVELOCK, H.L., FAISAL, N.H. and DAVIES, S. 2014. Structure-property relationships in a CoCrMo alloy at micro and nano-scales. Tribology international [online], 80, pages 98-114. Available from: http://dx.doi.org/10.1016/j.triboint.2014.06.015
    This investigation considered the multiscale tribo-mechanical evaluations of CoCrMo (Stellite®21) alloys manufactured via two different processing routes of casting and HIP-consolidation from powder (Hot Isostatic Pressing). ...
  • Single asperity nanoscratch behavior of HIPed and cast Stellite 6 alloys. 

    Ahmed, R.; Ashraf, A.; Elameen, M.; Faisal, Nadimul Haque; El-Sherik, A.M.; Elakwah, Y.O.; Goosen, M. F. A. (Elsevier http://dx.doi.org/10.1016/j.wear.2014.02.006, 2014-02-17)
    AHMED, R., ASHRAF, A., ELAMEEN, M., FAISAL, N.H., EL-SHERIK, A.M., ELAKWAH, Y.O. and GOOSEN, M.F.A. 2014. Single asperity nanoscratch behavior of HIPed and cast Stellite 6 alloys. Wear [online], 312(1-2), pages 70-82. Available from: http://dx.doi.org/10.1016/j.wear.2014.02.006
    The aim of this study was to investigate the nanoscale sliding wear behaviour of re-HIPed (Hot Isostatically Pressed) and cast cobalt-based Stellite 6 alloys. A nanoindentation system equipped with a wear testing module ...
  • Nanoindentation of polysilicon and single crystal silicon: molecular dynamics simulation and experimental validation. 

    Goel, Saurav; Faisal, Nadimul Haque; Luo, Xichun; Yan, Jiwang; Agrawal, Anupam (Institute of Physics http://dx.doi.org/10.1088/0022-3727/47/27/275304, 2014-06-13)
    GOEL, S., FAISAL, N.H., LUO, X., YAN, J. and AGRAWAL, A. 2014. Nanoindentation of polysilicon and single crystal silicon: molecular dynamics simulation and experimental validation. Journal of physics D: applied physics [online], 47(27), article number 275304. Available from: http://dx.doi.org/10.1088/0022-3727/47/27/275304
    This paper presents novel advances in the deformation behaviour of polycrystalline and single crystal silicon using molecular dynamics (MD) simulation and validation of the same via nanoindentation experiments. In order ...
  • 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 ...
  • Too enthusiastic to care for safety: present status and recent developments of nanosafety in ASEAN countries. 

    Karim, Md Ershadul; Munir, Abu Bakar; Reza, Ahmad Wasif; Muhammad-Sukki, Firdaus; Yasin, Siti Hajar Mohd; Abu-Bakar, Siti Hawa; Rahim, Ruzairi Abdul (Elsevier http://dx.doi.org/10.1016/j.techfore.2014.07.003, 2014-08-12)
    KARIM, M.E., MUNIR, A.B., REZA, A.W., MUHAMMAD-SUKKI, F., YASIN, S.H.M., ABU-BAKAR, S.H. and RAHIM, R.A. 2015. Too enthusiastic to care for safety: present status and recent developments of nanosafety in ASEAN countries. Technological forecasting and social change [online], 92, pages 168-181. Available from: http://dx.doi.org/10.1016/j.techfore.2014.07.003
    Nanotechnology has the prospect to vibrate the imagination of human being and has the ability to be used in almost every sector of human need. With its limitless potentials, there are many environmental, health and safety ...
  • 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 ...

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