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Engineering and the Environment

AbuBakr Bahaj

BSc PhD Cphys MInstP FICE FRSA

Primary position:
Professor
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Background

AbuBakr S Bahaj is Professor of Sustainable Energy at the University of Southampton. After completing his PhD he was employed by the University progressing from a researcher to a Personnel Chair of Sustainable Energy. Over the last 20 years, Prof Bahaj has established the energy theme within the University and directed his Sustainable Energy Research Group (www.energy.soton.ac.uk, SERG), which is now considered to be one of the UK’s leading university-based research groups in renewable energy and energy in buildings. He initiated and managed research in ocean energy conversion (resources, technologies and impacts), photovoltaics, energy in buildings and impacts of climate change on the built environment in the University. This work has resulted in over 230 articles published in academic refereed journals and conference series of international standing. (Full Profile: webserver.civil.soton.ac.uk) Prof Bahaj is the head of the Energy and Climate Change Division (ECC) within the highly rated School of Civil Engineering and the Environment (2nd in the UK, RAE in 2008, with 80% of our research was judged to be either “World Leading” or “Internationally Excellent”). The aims of the Division and SERG are to promote and execute fundamental and applied research and pre-industrial development in the areas of energy resources, technologies, energy efficiency and the impact of climate change. Prof Bahaj is an experienced research team director and has many internationally-focused research projects including collaborative projects in China, the Middle East and Africa. He is also the co-ordinator of the UK’s Engineering and Physical Sciences Research Council (EPSRC), Eco-region research networks that aim to develop research themes and projects to study eco-city development encompassing resource assessment, technology pathways for the production and conservation of energy, planning, and social and economic studies required in establishing eco-regions in China and elsewhere (www.eco-networks.org). He is a member of the Editorial Boards of Renewable Energy, the UK's Institute of Civil Engineering journal Energy, and a member of the Tyndall Centre for Climate Change Research Supervisory Board. From 2001 to 2007 he was a member of the Department of Business and Regulatory Reform (BERR), (now Department for Business Innovations and Skills, BIS), Technology Programmes Panels on Water (including ocean energy) and Solar Energy. He Chaired the Technical Committees of the World Renewable Energy Congress – held in Glasgow July 2008 and is the Chair of this committee for the coming Congress in Abu Dhabi September 2010. He was a member of the Technical Committee of the 27th International Conference on Offshore Mechanics and Arctic Engineering (OMAE 2008), a member of the management and technical committees of the European Wave and Tidal Energy Conferences (EWTEC, Porto 2007, Portugal, and Uppsala September 2009, Sweden) and a member of the BSI Committee GEL/82 on PV Energy Systems. Recently, at the invitation of International Energy Agency, he has completed the 2008 status report on tidal stream energy conversion and in September 2009 was elected to Chair the next EWTEC conference to be held in Southampton 5 - 9 Sep 2011. To address training in the areas of energy and climate change Prof Bahaj has recently coordinated and developed a set of MSc programmes that address, traditional energy generation and distribution, energy in transport, energy resources and climate change and energy in the built environment (www.energymasters.soton.ac.uk). Current Areas of research: Urban energy studies:
  • Research that links building refurbishments and occupier comfort to demand reduction and urban energy generation in the built environment.
  • Impact of Climate Change on the built environment
  • Electricity and heat generation coupled with technologies that promote energy demand reduction in buildings.
  • Analysis of the impacts of technologies on occupier comfort and behaviour.
  • Urban energy generation technologies such as PV, micro wind turbines, micro combined heat and power (µCHP) and ground source heat pumps are termed micro-generation systems.
    Photovoltaics:
  • Fundamental understanding of the resource, the converter technologies and the operating environments for solar photovoltaic devices.
  • The design of unique systems for powering transport refrigeration, solar roofing and building facades. The latter includes multifunctional PV elements that act as weather barriers, providing shading and light whilst generating electricity.
  • Generator-generator interaction, system and maintenance costs and their effects on energy yields.
  • The additional benefits and impacts of PV electrical generation on energy demand in housing, the effects on occupier behaviour and its relationship to reduction in energy demand. Marine Energy:
  • Utilisation of marine currents for electrical power generation, resource estimate, fundamental studies including the design and optimisation of turbine blades and guidance for operation free of cavitation.
  • Model scale testing including work on dual rotor tests, detailing blockage effects
  • Device-device interactions and feasibility studies for site utilisation - arrays of devices in flow fields and impacts of these on energy yields.
  • Industrial collaboration as well as work with National Oceanographic Centre at University of Southampton for wave and tidal resource estimates. Some Previous Areas of research: Bioaccumulation and magnetic separation:
  • BioMagnetic Separation: The use of novel microorganisms in the management of hazardous wastes. The application of magnetic separation methods in conjunction with microbial accumulation.
  • Industrial effluents and mineral processing.
  • Microbial leaching (bioleaching) of undesirable straining from industrial minerals. Microbial break-up of organic waste.
  • Metals separation using magnetotactic bacteria and sulphate reducing bacteria Group Weblink www.energy.soton.ac.uk Full Profile webserver.civil.soton.ac.uk
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    Publications

    The University of Southampton's electronic library (e-prints)

    Article

    Batten, W.M.J., Harrison, M.E. and Bahaj, A.S. (2012) The accuracy of the actuator disc-RANS approach for predicting the performance and far wake of a horizontal axis tidal stream turbine. Philosophical Transactions of The Royal Society A Mathematical Physical and Engineering Sciences (In Press).
    Blunden, L.S., Bahaj, A.S. and Aziz, N.S. (2012) Tidal current power for Indonesia? An initial resource estimation for the Alas Strait. Renewable Energy(doi:10.1016/j.renene.2012.01.046). (In Press).
    Myers, L.E. and Bahaj, A.S. (2012) An experimental study of flow effects within 1st-generation marine current energy converter arrays. Renewable Energy, 37, (1), 28-36. (doi:10.1016/j.renene.2011.03.043).
    Myers, L.E. and Bahaj, A.S. (2012) An experimental study of flow effects within 1st-generation marine current energy converter arrays. Renewable Energy
    Bahaj, A.S., Myers, L.E., Rawlinson-Smith, Robert and Thomson, Matthew (2011) The effect of boundary proximity upon the wake structure of horizontal axis marine current turbines. Journal of Offshore Mechanics and Arctic Engineering, 134, (2), 021104. (doi:10.1115/1.4004523).
    Bahaj, AbuBakr S. (2011) Generating electricity from the oceans. Renewable and Sustainable Energy Reviews, 15, (7), 3399-3416. (doi:10.1016/j.rser.2011.04.032).
    Mackay, Edward B.L., Challenor, Peter G. and Bahaj, AbuBakr S. (2011) A comparison of estimators for the generalised Pareto distribution. Ocean Engineering, 38, (11-12), 1338-1346. (doi:10.1016/j.oceaneng.2011.06.005).
    Myers, L.E. and Bahaj, A.S. (2011) An experimental investigation simulating flow effects in first generation marine current energy converter arrays. Renewable Energy, 37, (1), 28-36. (doi:10.1016/j.renene.2011.03.043).
    James, P.A.B., Sissons, M.F., Bradford, J, Myers, L.E., Anwar, A.A., Bahaj, A.S. and Green, S. (2011) Pole-mounted horizontal axis micro-wind turbines: UK field trial findings and market size assessment. Energy Policy(doi:10.1016/j.enpol.2011.04.012).
    Giles, Jack, Myers, L.E., Bahaj, A.S., O'Nians, J. and Shelmerdine, R. (2011) Foundation-based flow acceleration structures for marine current energy converters. IET Renewable Power Generation, 5, (4)
    Harrison, M.E., Batten, W.M.J., Myers, L.E. and Bahaj, A.S. (2010) Comparison between CFD simulations and experiments for predicting the far wake of horizontal axis tidal turbines. IET Renewable Power Generation, 4, (6), 1752-1416. (doi:10.1049/iet-rpg.2009.0193).
    Wood, Robert J.K., Bahaj, Abubakr S., Turnock, Stephen R., Wang, Ling and Evans, Martin-Halfdan (2010) Tribological design constraints of marine renewable energy systems. [in special issue: Green tribology] Philosophical Transactions of the Royal Society A, 368, 4807-4827. (doi:10.1098/rsta.2010.0192).
    James, P.A.B., Sissons, M.F., Bradford, J., Myers, L.E., Bahaj, A.S., Anwar, Arif A. and Green, S. (2010) Implications of the UK field trial of building mounted horizontal axis micro-wind turbines. Energy Policy, 38, (10), 6130-6144. (doi:10.1016/j.enpol.2010.05.070).
    Mackay, Edward B.L., Bahaj, Abubakr S. and Challenor, Peter G. (2010) Uncertainty in wave energy resource assessment part 1: historic data. Renewable Energy, 35, (8), 1792-1808. (doi:10.1016/j.renene.2009.10.026).
    Mackay, Edward B.L., Bahaj, AbuBakr S. and Challenor, Peter G. (2010) Uncertainty in wave energy resource assessment part 2: variability and predictability. Renewable Energy, 35, (8), 1809-1819. (doi:10.1016/j.renene.2009.10.027).
    Mackay, Edward B.L., Challenor, Peter G. and Bahaj, AbuBakr S. (2010) On the use of discrete seasonal and directional models for the estimation of extreme wave conditions. Ocean Engineering, 37, (5-6), 425-442. (doi:10.1016/j.oceaneng.2010.01.017).
    Bahaj, A.S. and James, P.A.B. (2010) Direct and indirect benefits of grid connected photovoltaics in low energy social housing. Renewable Energy (Submitted).
    Myers, L. E. and Bahaj, A. S. (2010) Experimental analysis of the flow field around horizontal axis tidal turbines by use of scale mesh disk rotor simulators. Ocean Engineering, 37, (2-3), 218-227. (doi:10.1016/j.oceaneng.2009.11.004).
    Myers, L.E, Bahaj, A.S and Hyam, D.M (2010) Characterising the flow field around scale horizontal axis marine current turbine mesh disk rotor simulators. Experiments in Fluids (Submitted).
    Bahaj, A.S., James, P.A.B. and Braid, R. (2010) Multiple string inverters for PV systems < 5kWp: When is this justified? Renewable Energy (Submitted).
    Bahaj, A. S. (2009) Delivering developing country growth: A new mechanistic approach driven by the photovoltaic industry. Renewable and Sustainable Energy Reviews, 13, (8), 2142-2148. (doi:10.1016/j.rser.2009.01.029).
    Papafragkou, A., James, P.A.B., Jentsch, M.F. and Bahaj, A.S. (2009) Combined heat and power: street-level domestic microgrids. Proceedings of the ICE: Energy, 162, (3), 131-141. (doi:10.1680/ener.2009.162.3.131).
    James, P.A.B., Jentsch, M.F. and Bahaj, A.S. (2009) Quantifying the added value of BiPV as a shading solution in atria. Solar Energy, 83, (2), 220-231. (doi:10.1016/j.solener.2008.07.016).
    Watson, Jim, Sauter, Raphael, Bahaj, Bakr, James, Patrick, Myers, Luke and Wing, Robert (2008) Domestic micro-generation: economic, regulatory and policy issues for the UK. Energy Policy, 36, (8), 3085-3096. (doi:10.1016/j.enpol.2008.04.028).
    Batten, W.M.J., Bahaj, A.S., Molland, A.F. and Chaplin, J.R. (2008) The prediction of the hydrodynamic performance of marine current turbines. Renewable Energy, 33, (5), 1085-1096. (doi:10.1016/j.renene.2007.05.043).
    Jentsch, Mark F., Bahaj, AbuBakr S. and James, Patrick A.B. (2008) Climate change future proofing of buildingsā€”Generation and assessment of building simulation weather files. Energy and Buildings, 40, (12), 2148-2168. (doi:10.1016/j.enbuild.2008.06.005).
    Bahaj, AbuBakr S., James, Patrick A.B. and Jentsch, Mark F. (2008) Potential of emerging glazing technologies for highly glazed buildings in hot arid climates. Energy and Buildings, 40, (5), 720-731. (doi:10.1016/j.enbuild.2007.05.006).
    Bahaj, A.S., Batten, W.M.J. and McCann, G. (2007) Experimental verifications of numerical predictions for the hydrodynamic performance of horizontal axis marine current turbines. Renewable Energy, 32, (15), 2479-2490. (doi:10.1016/j.renene.2007.10.001).
    Batten, W.M.J., Bahaj, A.S., Molland, A.F., Chaplin, J. R. and Sustainable Energy Research Group (2007) Experimentally validated numerical method for the hydrodynamic design of horizontal axis tidal turbines. Ocean Engineering, 34, (7), 1013-1020. (doi:10.1016/j.oceaneng.2006.04.008).
    Myers, Luke and Bahaj, A. S. (2007) Wake studies of a 1/30th scale horizontal axis marine current turbine. Ocean Engineering, 34, (5-6), 758-762. (doi:10.1016/j.oceaneng.2006.04.013).
    Bahaj, A.S., Myers, L.E. and James, P.A.B. (2007) Urban energy generation: Influence of micro-wind turbine output on electricity consumption in buildings. Energy and Buildings, 39, (2), 154-165. (doi:10.1016/j.enbuild.2006.06.001).
    Blunden, L.S. and Bahaj, A.S. (2007) Tidal energy resource assessment for tidal stream generators. Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 221, (2), 137-146. (doi:10.1243/09576509JPE332).
    Bahaj, A. S., Molland, A.F., Chaplin, J. R. and Batten, W. M. J. (2007) Power and thrust coefficients of marine current turbines operating under various hydrodynamic conditions of flow in cavitation tunnels and towing tanks. Renewable Energy, 32, (3), 407-426. (doi:10.1016/j.renene.2006.01.012).
    Bahaj, A. S., James, P. A. B. and Jentsch, M. F. (2007) Photovoltaics: added value of architectural integration. Proceedings of ICE: Energy, 160, (2), 59-69. (doi:10.1680/ener.2007.160.2.59).
    Bahaj, A.S., Molland, A.F., Chaplin, J.R. and Batten, W.M.J. (2007) Power and thrust measurements of marine current turbines under various hydrodynamic flow conditions in a cavitation tunnel and a towing tank. Renewable Energy, 32, (3), 407-426. (doi:10.1016/j.renene.2006.01.012).
    Bahaj, A.S. and James, P.A.B. (2006) Urban energy generation: the added value of photovoltaics in social housing. Renewable and Sustainable Energy Reviews, 11, (9), 2121-2136. (doi:10.1016/j.rser.2006.03.007).
    Blunden, L.S. and Bahaj, A.S. (2006) Initial evaluation of tidal stream energy resources at Portland Bill. [In special issue: Marine Energy]. Renewable Energy, 31, (2), 121-132. (doi:10.1016/j.renene.2005.08.016).
    Bahaj, AbuBakr S. (2006) Editorial. [Marine energy]. Renewable Energy, 31, (2), 119. (doi:10.1016/j.renene.2005.10.001).
    James, P.A.B., Bahaj, A.S. and Braid, R.M. (2006) PV array <5 kWp + single inverter = grid connected PV system: Are multiple inverter alternatives economic? Solar Energy, 80, (9),
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