Recent Submissions

  • 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 ...
  • 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 ...
  • 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, ...
  • 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 ...
  • 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 ...
  • Rotationally asymmetric compound parabolic concentrator for concentrating photovoltaic applications. 

    Abu-Bakar, Siti Hawa; Muhammad-Sukki, Firdaus; Ramirez-Iniguez, Roberto; Mallick, Tapas Kumar; Munir, Abu Bakar; Yasin, Siti Hajar Mohd; Rahim, Ruzairi Abdul (Elsevier http://dx.doi.org/10.1016/j.apenergy.2014.09.053, 2014-10-01)
    ABU-BAKAR, S.H., MUHAMMAD-SUKKI, F., RAMIREZ-INIGUEZ, R., MALLICK, T.K., MUNIR, A.B., YASIN, S.H.M. and RAHIM, R.A. 2014. Rotationally asymmetric compound parabolic concentrator for concentrating photovoltaic applications. Applied energy [online], 136, pages 363-372. Available from: http://dx.doi.org/10.1016/j.apenergy.2014.09.053
    This paper describes a novel type of solar concentrator - a rotationally asymmetrical compound parabolic concentrator (RACPC). The RACPC aims at addressing the following objectives: (i) to increase the electrical output ...
  • Renewable energy potentials in Cameroon: prospects and challenges. 

    Wirba, Asan Vernyuy; Mas'ud, Abdullahi Abubakar; Muhammad-Sukki, Firdaus; Ahmad, Salman; Tahar, Razman Mat; Rahim, Ruzairi Abdul; Munir, Abu Bakar; Karim, Md Ershadul (Elsevier http://dx.doi.org/10.1016/j.renene.2014.11.083, 2014-12-11)
    WIRBA, A.V., MAS'UD, A.A., MUHAMMAD-SUKKI, F., AHMAD, S., TAHAR, R.M., RAHIM, R.A., MUNIR, A.B. and KARIM, M.E. 2015. Renewable energy potentials in Cameroon: prospects and challenges. Renewable energy [online], 76, pages 560-565. Available from: http://dx.doi.org/10.1016/j.renene.2014.11.083
    This paper aims at discussing the renewable energy potentials in delivering parts of the energy needs in Cameroon. The country has an enormous renewable energy potential. The lack of clear renewable energy policy in the ...
  • Unconventional composite inorganic membrane fabrication for carbon emissions mitigation. 

    Nwogu, Ngozi Claribelle; Osueke, Godson; Hossain, Mamdud; Gobina, Edward (WASET http://scholar.waset.org/1999.6/10001433, 2015-05-01)
    NWOGU, N., OSUEKE, G., HOSSAIN, M. and GOBINA, E. 2015. Unconventional composite inorganic membrane fabrication for carbon emissions mitigation. International journal of chemical, molecular, nuclear, materials and metallurgical engineering, 9(5), pages 542-545. World academy of science, engineering and technology, international science index 101 [online]. Available from: http://scholar.waset.org/1999.6/10001433
    An unconventional composite inorganic ceramic membrane capable of enhancing carbon dioxide emission decline was fabricated and tested at laboratory scale in conformism to various environmental guidelines and also to mitigate ...
  • Synthesis of gas transport through nano composite ceramic membrane for esterification and volatile organic compound separations. 

    Okon, Edidiong; Shehu, Habiba; Gobina, Edward (David Publishing http://dx.doi.org/10.17265/2161-623X/2014.11.007, 2014-11-25)
    OKON, E., SHEHU, H. and GOBINA, E. 2014. Synthesis of gas transport through nano composite ceramic membrane for esterification and volatile organic compound separations. Journal of mechanics engineering and automation [online], 4(11), pages 905-913. Available from: http://dx.doi.org/10.17265/2161-623X/2014.11.007
    The transport behaviour of carrier gases with inorganic catalytic ceramic membrane used for ethyl lactate production and VOC (volatile organic compound) recovery in the gauge pressure range of 0.10-1.00 bar and temperature ...
  • Purification of gases using nanoporous inorganic membranes. 

    Kajama, Mohammed; Shehu, Habiba; Gobina, Edward (MC College, Department of Mathematics, Scientific Research Forum http://ijset.com/ijset/publication/v3s9/IJSET_2014_908.pdf, 2014-09-01)
    KAJAMA, M.N., SHEHU, H. and GOBINA, E. Purification of gases using nanoporous inorganic membranes. International journal of scientific engineering and technology [online], 3(9), pages 1156-1159. Available from: http://ijset.com/ijset/publication/v3s9/IJSET_2014_908.pdf
    The application of membranes has gained acceptance in the chemical and process industries for separation and purification for over three decades and is currently being practiced for natural gas processing, waste water ...
  • Progress of feed-in tariff in Malaysia: a year after. 

    Muhammad-Sukki, Firdaus; Abu-Bakar, Siti Hawa; Munir, Abu Bakar; Yasin, Siti Hajar Mohd; Ramirez-Iniguez, Roberto; McMeekin, Scott G.; Stewart, Brian G.; Rahim, Ruzairi Abdul (Elsevier http://dx.doi.org/10.1016/j.enpol.2013.12.044, 2014-01-15)
    MUHAMMAD-SUKKI, F., ABU-BAKAR, S.H., MUNIR, A.B., YASIN, S.H.M., RAMIREZ-INIGUEZ, R., MCMEEKIN, S.G., STEWART, B.G. and RAHIM, R.A. 2013. Progress of feed-in tariff in Malaysia: a year after. Energy policy [online], 67, pages 618-625. Available from: https://dx.doi.org/10.1016/j.enpol.2013.12.044
    Malaysia enacted the Renewable Energy Act in April 2011. One of its important components is the feed-in tariff (FiT) scheme, launched in December 2011. The scheme is managed and administered by the Sustainable Energy ...
  • Performance analysis of mirror symmetrical dielectric totally internally reflecting concentrator for building integrated photovoltaic systems. 

    Muhammad-Sukki, Firdaus; Abu-Bakar, Siti Hawa; Ramirez-Iniguez, Roberto; McMeekin, Scott G.; Stewart, Brian G.; Munir, Abu Bakar; Yasin, Siti Hajar Mohd; Rahim, Ruzairi Abdul (Elsevier http://dx.doi.org/10.1016/j.apenergy.2013.05.006, 2013-06-03)
    MUHAMMAD-SUKKI, F., ABU-BAKAR, S.H., RAMIREZ-INIGUEZ, R., MCMEEKIN, S.G., STEWART, B.G., MUNIR, A.B., YASIN, S.H.M. and RAHIM, R.A. 2013. Performance analysis of mirror symmetrical dielectric totally internally reflecting concentrator for building integrated photovoltaic systems. Applied energy [online], 111, pages 288-299. Available from: https://dx.doi.org/10.1016/j.apenergy.2013.05.006
    This paper presents a mirror symmetrical dielectric totally internally reflecting concentrator (MSDTIRC). Here, its electrical and optical performances are investigated for building integrated photovoltaic applications. ...

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