Now showing items 1-10 of 10

  • Computational fluid dynamic analysis of sand erosion in 90 degree sharp bend geometry. 

    Droubi, M. Ghazi; Tebowei, Roland; Islam, Sheikh Zahidul; Hossain, Mamdud; Mitchell, E. (ICCFD9 http://iccfd9.itu.edu.tr/proceedings.php, 2016-07-11)
    DROUBI, M.G., TEBOWEI, R., ISLAM, S.Z., HOSSAIN, M. and MITCHELL, E. 2016. Computational fluid dynamic analysis of sand erosion in 90 degree sharp bend geometry. In Proceedings of the 9th international conference on computational fluid dynamics (ICCFD9) [online], 11-15 July 2016, Istanbul, Turkey. Available from: http://iccfd9.itu.edu.tr/assets/pdf/papers/ICCFD9-2016-128.pdf.
    The prediction of erosion damage due to sand presence during hydrocarbon production is a major threat to the integrity of the production facilities. Sand production from oil and gas reservoirs can cause a significant damage ...
  • Computational fluid dynamics (CFD) modelling of critical velocity for sand transport flow regimes in multiphase pipe bends. 

    Tebowei, Roland (Robert Gordon University Faculty of Design and Technology, School of Engineering, 2016-09-01)
    TEBOWEI, R. 2016. Computational fluid dynamics (CFD) modelling of critical velocity for sand transport flow regimes in multiphase pipe bends. Robert Gordon University, PhD thesis.
    The production and transportation of hydrocarbon fluids in multiphase pipelines could be severely hindered by particulate solids deposit such as produced sand particles which accompany hydrocarbon production. Knowledge of ...
  • Computational fluid dynamics modelling of PEM fuel cells to investigate transport limitations. 

    Islam, Sheikh Zahidul (Robert Gordon University School of Engineering, 2012-04)
    Modern technological advancements in our lifestyle have caused a significant increase in the consumption of energy. With this growing demand, people are more concerned about the rational use of existing limited energy ...
  • 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 ...
  • 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 ...
  • Investigation of sand transport in an undulated pipe using computational fluid dynamics. 

    Tebowei, Roland; Hossain, Mamdud; Islam, Sheikh Zahidul; Droubi, M. Ghazi; Oluyemi, Gbenga Folorunso (Elsevier https://doi.org/10.1016/j.petrol.2017.11.003, 2017-11-06)
    TEBOWEI, R., HOSSAIN, M., ISLAM, S.Z., DROUBI, M.G. and OLUYEMI, G. 2017. Investigation of sand transport in an undulated pipe using computational fluid dynamics. Journal of petroleum science and engineering [online], In Press. Available from: https://doi.org/10.1016/j.petrol.2017.11.003
    A CFD model has been implemented to investigate the effects the pipe undulation on sand transport. Of particular interest of the present study is the sand deposition in small angled V-inclined bend relevant to oil and gas ...
  • Investigation of species transport in a gas diffusion layer of a polymer electrolyte membrane fuel cell through two-phase modelling. 

    Hossain, Mamdud; Islam, Sheikh Zahidul; Pollard, Pat (Elsevier http://dx.doi.org/10.1016/j.renene.2012.10.008, 2013-03)
    HOSSAIN, M., ISLAM, S. Z., and POLLARD, P., 2013. Investigation of species transport in a gas diffusion layer of a polymer electrolyte membrane fuel cell through two-phase modelling. Renewable Energy, 51, pp. 404-418.
    A two-phase polymer electrolyte membrane fuel cell model has been developed to investigate transport of species in a gas diffusion layer taking into account effects of liquid water saturation. A set of governing equations ...
  • Numerical study of the effect of effective diffusivity and permeability of the gas diffusion layer on fuel cell performance. 

    Hossain, Mamdud; Islam, Sheikh Zahidul; Pollard, Pat (SAGE http://dx.doi.org/10.1177/0957650912454402, 2012-11)
    HOSSAIN, M., ISLAM, S. Z. and POLLARD, P., 2012. Numerical study of the effect of effective diffusivity and permeability of the gas diffusion layer on fuel cell performance. Proceedings of the Institute of Mechanical Engineers, Part A: Journal of Power and Energy, 226 (7), pp. 907-921.
    A three-dimensional, single-phase, isothermal, explicit electrochemistry polymer electrolyte membrane fuel cell model has been developed and the developed computational model has been used to compare various effective ...
  • Optimization of the vibro-impact capsule system. 

    Liu, Yang; Islam, Sheikh Zahidul; Pavlovskaia, Ekaterina; Wiercigroch, Marian (University of Ljubljana https:dx.doi.org/10.5545/sv-jme.2016.3754, 2016-07-31)
    LIU, Y., ISLAM, S., PAVLOVSKAIA, E. and WIERCIGROCH, M. 2016. Optimization of the vibro-impact capsule system. Strojniški vestnik = Journal of mechanical engineering [online], 62(7-8), pages 430-439. Available from: https://dx.doi.org/10.5545/sv-jme.2016.3754
    Optimization of the vibro-impact capsule system for the best progression is considered in this paper focusing on the choice of the excitation parameters and the shape of the capsule. Firstly, the fastest and the most ...
  • Water dynamics inside a cathode channel of a polymer electrolyte membrane fuel cell. 

    Hossain, Mamdud; Islam, Sheikh Zahidul; Colley-Davies, Amy; Adom, Ebenezer (Elsevier http://dx.doi.org/10.1016/j.renene.2012.08.041, 2013-02)
    HOSSAIN, M., ISLAM, S. Z., COLLEY-DAVIES, A. and ADOM, E., 2013. Water dynamics inside a cathode channel of a polymer electrolyte membrane fuel cell. Renewable Energy, 50, pp. 763-779.
    The present study focuses on the investigation of water dynamics inside a polymer electrolyte membrane fuel cell using two different modelling approaches: Eulerian two-phase mixture and volume of fluid interface tracking ...