Energy-Related Research in the Department of Engineering Ieuan Owen.

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Presentation transcript:

Energy-Related Research in the Department of Engineering Ieuan Owen

The Generation and Utilisation of Energy is Central to Engineering Across the Engineering Departments there is research that is: Obviously Energy Related – e.g. Wind power Less-obviously Energy Related – e.g. Gas turbine blade cooling The purpose of this presentation is to illustrate some of these

Tidal Stream Turbines (Owen) Underwater “wind” turbines extracting energy from tidal currents SeaGen in Strangford Narrows

Tidal Stream Turbines

Experimental & Computational Capabilities Computational Fluid Dynamics of unsteady flow field (Cardiff) Measurement of of unsteady flow field by Particle Imaging Velocimetry Potential Areas of study: Effect of complex velocity profiles Optimised blade geometries Effects on seabed Effects on marine life

Wind Turbines (Barakos & Ouyang) Computational modelling of aerodynamics & structural vibration Computer Modelling (Barakos, Liverpool) Wind Tunnel Testing NASA Ames

Wind Turbines

Design of “Appropriate Technology” – Relationship between Sustainable Development, “Appropriate Technology” and the UN “Millennium Development Goals”. – Novel “Appropriate” water pumps (solar powered) for use in developing countries Design for Sustainable Development

Automotive (Shenton) Engine testbed Engine modelling Laser ignition Rolling Road Dynamometer Simulated road testing

Combustion Modelling (Chakraborty) Direct Numerical Simulation (DNS) of turbulent combustion Hydrogen blending Statistically planar flame Turbulent flame kernel

Fundamentals of Gas Turbine Blade Cooling (Johnson)

Planes normal to flow direction Flow Fundamentals of Gas Turbine Blade Cooling

Adaptive Aeroelastic Structures (Cooper) Changing aircraft shape in flight to reduce drag and hence conserve fuel

Rotating Spar Concept Change orientation of spars. Beams in horizontal position – stiffness minimum Beams in vertical position –stiffness maximum Use pairs of spars to control bending and torsion High stiffness Low stiffness

Adaptive Fin on EuRAM Model

Domestic Combined Heat & Power (Owen - KTP)

Selective Laser Manufacturing for Heat Transfer Applications (Owen & Sutclife)

Complex Heat Sinks Micro Heat Exchangers Active surfaces using Shape Memory Alloys

High Temperature Materials (Tatlock) Oxide Dispersion Strengthening Creep resistance of ferritic materials for high temperature Heat Exchangers Non-radiation first walls for fusion reactors Removal or fixing grain boundaries by very hard oxide nanoparticles Microstructural control of ODS-FeCrAl alloys

Gas and Water Flows Through Fuel Cells (Zhang) 1 Fuel (hydrogen) flows in to the catalyst layer through a porous layer to oxide to into photons and electrons.

Impact of hydrophobicity on behaviour of liquid water in fuel cells Hydrophilic Hydrophobic

Water flow in a weak hydrophobic porous layer

The gas flow paths through a part of a fuel cell Pressure distribution and flow in path3D image from x-ray tomography Gas flow paths CC

Energy-Related Research in the Department of Engineering Ieuan Owen