Professor George Aggidis PhD,MSc, BEng(Hons), CEng, CMarEng, Eur Ing, MASME, FIMarEST, FEI, FIMechE, FIET

Professor of Energy Engineering

Research Interests

Professor George A. Aggidis PhD, MSc, BEng(Hons), CEng, CMarEng, Eur Ing, MASME, FIMarEST, FEI, FIMechE, FIET, is Professor of Energy Engineering in the Engineering Department of the Faculty of Science and Technology at Lancaster University, UK, and Director of the Lancaster University Renewable Energy Group & Fluid Machinery Group.

His previous career included 25 years industrial and academic experience, of which 9 years were abroad. He started his engineering career with Mather & Platt Ltd, Manchester, UK, followed by appointments both in the UK and abroad. His final position in industry was Director and Engineering Development Manager for the Fluid Machinery, and Hydropower UK company, Gilbert Gilkes & Gordon Ltd. He has research, design, development and patent contributions in the field of fluid machinery, and renewable energy, developed turbines for hydro power generation projects and has physical research prototypes of fluid machinery operating successfully worldwide.

Leads the water renewables research activities of the Engineering department at Lancaster University (generic and applied research on wave energy, tidal power and hydro power). His main research interests lie in the areas of Renewable Energy, Fluid Machinery and Energy Policy. Specifically in the fields of Wave Energy, Tidal Power, Hydro Power, Hydraulic design, Centrifugal pumps, Water Turbines, Energy Efficiency, Computational Fluid Dynamics, Materials for Fluid Machinery and Energy Policy.

He has been co-founder and Board member of the Joule Centre for Energy Research and Development, co-Director of the Centre for Sustainable Energy (Lancaster Environment Centre), Board member of the Steering Committee for Energy Lancaster and Founding Chair of the North West Tidal Energy Group (NWTEG). Referee for the Research Councils, Professional Institutions (IMechE, IET, ICE, CIWEM), Carbon Trust, Hong Kong Government, Canadian Government and EU.

A lead partner on the EPSRC Supergen Marine research consortia, and principal investigator on the Joule Centre for Energy Hydro Resource Model Project and the WRASPA Wave Energy Convertor Research Awards. Other projects that he has been involved with include the European Commission FP6 award for the Co-ordinated Action on Ocean Energy and the Carbon Trust Marine Energy Challenge for PS Frog.

He is Fellow of the Institution of Marine Engineering Science and Technology, Fellow of the Energy Institute, Fellow of the Institute Of Engineering and Technology, Fellow of the Institution of Mechanical Engineers, Board member of its FMG, and a Board of Governors member of the Joule Centre for Energy. He is a Chartered Engineer and a Chartered Marine Engineer, a Member of the American Society of Mechanical Engineers, Registered with the European Federation of National Engineering Associations (FEANI) as a European Engineer (Eur Ing), Registered Mechanical Engineer (REng), Athens, Greece, Full Member of the Greek Technical Chambers TEE, Member of the British Hydropower Association (BHA), and Founding Member of the European Union Ocean Energy Association (EUOEA).

Experimental investigation and analysis of the spear valve design on the performance of Pelton turbines: 3 case studies
Zidonis, A., Benzon, S., Panagiotopoulos, A., Petley, S., Aggidis, G.A., Anagnostopoulos, I., Papantonis, D. 11/10/2017
Conference paper

Experimental investigation and analysis of three spear valve designs on the performance of Turgo impulse turbines
Benzon, S., Zidonis, A., Petley, S., Aggidis, G.A., Panagiotopoulos, A., Anagnostopoulos, I., Papantonis, D. 11/10/2017
Conference paper

Navier-stokes CFD analysis of a tidal turbine rotor in steady and planar oscillatory flow
Amato, G., Doyle, S., Petley, S., Campobasso, M.S., Milne, I.A., Aggidis, G.A. 27/08/2017 In: Proceedings of EWTEC 2017. EWTEC
Conference contribution

Overview of wave energy converter devices and the development of a new multi-axis laboratory prototype
Aggidis, G., Taylor, C. 07/2017 In: IFAC-PapersOnLine. 50, 1, p. 15651-15656. 6 p.
Journal article

Experimental analysis of the onset and development of cavitation in a centrifugal pump
Mousmoulis, G., Karlsen-Davies, N., Aggidis, G.A., Anagnostopoulos, I., Papantonis, D. 02/2017
Conference paper

Computational analysis of the effects of manufacturing tolerances on the performance of a regenerative liquid ring (RLR) pump
Karlsen-Davies, N., Aggidis, G.A. 3/10/2016
Conference paper

Tidal range technologies and state of the art in review
Waters, S., Aggidis, G.A. 06/2016 In: Renewable and Sustainable Energy Reviews. 59, p. 514-529. 16 p.
Journal article

A world first: Swansea Bay Tidal lagoon in review
Waters, S., Aggidis, G.A. 04/2016 In: Renewable and Sustainable Energy Reviews. 56, p. 916-921. 6 p.
Journal article

Development of the Turgo Impulse turbine: past and present
Benzon, S., Aggidis, G.A., Anagnostopoulos, J.S. 16/03/2016 In: Applied Energy. 166, p. 1-18. 18 p.
Journal article

Regenerative liquid ring pumps review and advances on design and performance
Karlsen-Davies, N., Aggidis, G. 15/02/2016 In: Applied Energy. 164, p. 815-825. 11 p.
Journal article

Pelton turbine: identifying the optimum number of buckets using CFD
Zidonis, A., Aggidis, G. 02/2016 In: Journal of Hydrodynamics. 28, 1, p. 75-83. 8 p.
Journal article

Numerical and experimental analysis of the power output of a point absorber wave energy converter in irregular waves
Rahmati, M., Aggidis, G.A. 1/01/2016 In: Ocean Engineering. 111, p. 483-492. 10 p.
Journal article

Swansea Bay tidal lagoon annual energy estimation
Petley, S., Aggidis, G. 1/01/2016 In: Ocean Engineering. 111, p. 348-357. 10 p.
Journal article

Investigating pipeline and state of the art blood glucose biosensors to formulate next steps
Aggidis, A., Newman, J.D., Aggidis, G. 15/12/2015 In: Biosensors and Bioelectronics. 74, p. 243-262. 20 p.
Journal article

Wave energy resource assessment and device selection
Oikonomou, C., Aggidis, G. 27/11/2015
Poster

Numerical hydrodynamic modelling of a pitching wave energy converter
Bhinder, M.A., Rahmati, M.T., Mingham, C.G., Aggidis, G.A. 13/11/2015 In: European Journal of Computational Mechanics. 24, 4, p. 129-143. 15 p.
Journal article

Development of hydro impulse turbines and new opportunities
Zidonis, A., Benzon, D., Aggidis, G. 11/2015 In: Renewable and Sustainable Energy Reviews. 51, p. 1624–1635. 12 p.
Journal article

Over 2000 years in review: revival of the Archimedes screw from pump to turbine
Waters, S., Aggidis, G. 11/2015 In: Renewable and Sustainable Energy Reviews. 51, p. 497-505. 9 p.
Journal article

Flow modeling in Pelton turbines by an accurate Eulerian and a fast Lagrangian evaluation method
Panagiotopoulos, A., Zidonis, A., Aggidis, G., Anagnostopoulos, I., Papantonis, D. 21/10/2015 In: International Journal of Rotating Machinery. 13 p.
Journal article

Wave tank experiments on the power capture of a multi-axis wave energy converter
Zhang, D., Aggidis, G., Wang, Y., Gu, X., Li, W., Chen, Y. 09/2015 In: Journal of Marine Science and Technology. 20, 3, p. 520-529. 10 p.
Journal article

Numerical investigation of the spear valve configuration on the performance of Pelton and Turgo turbine injectors and runners
Benzon, D., Zidonis, A., Panagiotopoulos, A., Aggidis, G., Anagnostopoulos, I., Papantonis, D. 25/06/2015 In: Journal of Fluids Engineering. 137, 11, 8 p.
Journal article

State of the art in numerical modeling of Pelton turbines
Zidonis, A., Aggidis, G. 05/2015 In: Renewable and Sustainable Energy Reviews. 45, p. 135-144. 10 p.
Journal article

Impulse turbine injector design improvement using Computational Fluid Dynamics
Benzon, D., Zidonis, A., Panagiotopoulos, A., Aggidis, G., Anagnostopoulos, J., Papantonis, D. 1/04/2015 In: Journal of Fluids Engineering. 137, 4, 9 p.
Journal article

Parametric optimisation of two Pelton turbine runner designs using CFD
Zidonis, A., Panagiotopoulos, A., Aggidis, G., Anagnostopoulos, J., Papantonis, D. 2015 In: Journal of Hydrodynamics. 27, 3, p. 840-847. 8 p.
Journal article

Processes leading to the formation of Hybrid event beds: a field study
Oikonomou, C., Ja-Momoh, A., Aggidis, G. 2015 In: 11ο Πανελλήνιο Συμπόσιο Ωκεανογραφίας & Αλιείας. p. 1045-1048. 4 p.
Paper

Wave energy resource assessment in the seas around Greece: estimation and prospects
Oikonomou, C., Aggidis, G. 2015 In: SCACR2015- International Short Course/Conference on Applied Coastal Research.
Paper

Hydro turbine prototype testing and generation of performance curves: fully automated approach
Aggidis, G., Zidonis, A. 11/2014 In: Renewable Energy. 71, p. 433–441. 9 p.
Journal article

Review and state of the art of regenerative liquid ring pumps
Karlsen-Davies, N., Aggidis, G. 2014 In: 12th European Fluid Machinery Congress. Amsterdam : Elsevier
Paper

Operational optimisation of a tidal barrage across the Mersey estuary using 0-D modelling
Aggidis, G., Benzon, D. 1/07/2013 In: Ocean Engineering. 66, p. 69-81. 13 p.
Journal article

The economics of multi-axis wave energy converters
Richardson, D., Aggidis, G. 9/06/2013
Conference paper

Tidal range turbines and generation on the Solway Firth
Aggidis, G., Feather, O. 07/2012 In: Renewable Energy. 43 , p. 9-17. 9 p.
Journal article

State dependent feed-forward control of a wave energy converter model.
Cross, P., Taylor, J., Aggidis, G. 2011 In: 9th European Wave and Tidal Energy Conference.
Conference contribution

Optimizing the shape of a surge-and-pitch wave energy collector using a genetic algorithm
McCabe, A.P., Aggidis, G.A., Widden, M.B. 12/2010 In: Renewable Energy. 35, 12, p. 2767-2775. 9 p.
Journal article

The costs of small-scale hydro power production: Impact on the development of existing potential.
Aggidis, G.A., Luchinskaya, E., Rothschild, R., Howard, D.C. 12/2010 In: Renewable Energy. 35, 12, p. 2632-2638. 7 p.
Journal article

Continuous-time feed-forward proportional-integral-plus control.
Cross, P., Taylor, C.J., Aggidis, G.A. 09/2010 In: UKACC International Conference Control 2010. p. 229-234. 6 p. ISBN: 978-184600-0386.
Conference contribution

On Patent Application filed for LU, Lancaster, UK under the title: “GAIA – Improved Wave Energy Device”. UK Patent: UK Patent Application Number UKIPO GB GB1008010.9
Aggidis, G.A. 13/05/2010
Patent

The Launch of the Heron Corn Mill Hydro Plant(Invited Keynote Paper)
Aggidis, G.A., Brett, C. 3/04/2010
Conference paper

On Patent Application filed for LU, Lancaster, UK under the title: “Improved Turbine”. UK Patent: UK Patent Application Number UKIPO GB GB1001034.6.
Aggidis, G.A. 22/01/2010
Patent

A Frequency-Response Design Method for the Control of Wave Energy Converters in Irregular Seas.
McCabe, A.P., Stables, M.A., Aggidis, G.A. 2010
Poster

Technological progress improves plans to maximise hydro potential.
Aggidis, G.A., Luchinskaya, E., Howard, D.C. 10/2009
Conference paper

A pilot study into the optimization of the shape of a wave energy collector by genetic algorithm.
McCabe, A.P., Aggidis, G.A., Widden, M.B. 09/2009
Conference paper

Numerical & Experimental Flow Analysis of a Wave Energy Converter.
Bhinder, M.A., Rahmati, M.T., Aggidis, G.A., Mingham, C.G., Chaplin, R.V., Causon, D.M. 09/2009
Conference paper

The Lancaster Marine Energy Research in the Context of the International Ocean Energy Symposium 2009 in China (Invited Keynote Paper)
Aggidis, G.A. 09/2009
Conference paper

A control system for a new wave energy converter in irregular wave climates.
Aggidis, G.A., Rahmati, M.T., Chaplin, R.V., McCabe, A.P., Mingham, C.G., Causon, D.M., Bhinder, M.A. 06/2009
Conference paper

Control systems for WRASPA.
Chaplin, R., Rahmati, R., Gunura, K., Ma, X., Aggidis, G.A. 06/2009
Conference paper

Numerical and Experimental Study of a Point Absorbing Wave Energy Converter in Regular and Irregular Waves.
Bhinder, M.A., Rahmati, M.T., Aggidis, G.A., Chaplin, R.V., Mingham, C.G., Causon, D.M. 06/2009
Conference paper

Plans for tapping the tidal power potential of the Eastern Irish Sea and NWTEG (Invited keynote paper)
Aggidis, G.A. 05/2009
Conference paper

Heron Corn Mill: an integrative case study for the Northwest of England Hydro Resource Model. (Presentation)
Aggidis, G.A. 11/04/2009
Speech

Ocean Energy: the Wave of the Future, Research key points and developments in the UK (Invited keynote presentation)
Aggidis, G.A. 8/04/2009
Speech

Partnership over coastal tidal energy: How to transform damp squids into Killer Wales. (Presentations)
Aggidis, G.A. 3/04/2009
Speech

A preliminary study into optimising the shape of a wave energy collector using a genetic algorithm.
McCabe, A.P., Aggidis, G.A. 04/2009
Conference paper

North West Hydro Resource Model (Invited keynote presentation)
Aggidis, G.A. 25/03/2009
Speech

Marine Energy: The way forward. (Presentation)
Aggidis, G.A. 03/2009
Speech

A Joint Numerical and Experimental Study of a Surging Point Absorbing Wave Energy Converter.
Bhinder, M.A., Rahmati, M.T., Aggidis, G.A., Chaplin, R.V., Mingham, C.g., Causon, D.M. 2009
Conference paper

Linear and nonlinear control of a power take-off simulation for wave energy conversion.
Taylor, C.J., Stables, M.A., Cross, P., Gunn, K., Aggidis, G.A. 2009 In: 8th European Wave and Tidal Energy Conference.
Conference contribution

Optimum mean power output of a point-absorber wave energy converter in irregular waves.
McCabe, A.P., Aggidis, G.A. 2009 In: Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy. 223, Number, p. 773-781. 9 p.
Journal article

Optimum power capture of a new wave energy converter in irregular waves
Aggidis, G.A., Rahmati, M.T., Chaplin, R.V., McCabe, A.P., Bhinder, M.A., Mingham, C.G., Causon, D.M. 2009 In: Proceedings of the 28th International Conference on Ocean, Offshore and Arctic Engineering--2009 . New York : American Society of Mechanical Engineers (ASME) p. 885-890. 6 p. ISBN: 978-0-7918-4344-4.
Conference contribution

Overview of tidal energy technologies (Invited Keynote Paper)
Aggidis, G.A. 17/12/2008
Conference paper

The costs of small-scale hydro power production: Impact on the development of existing potential.
Aggidis, G.A., Luchinskaya, E., Rothschild, R., Howard, D.C. 11/2008
Conference paper

An analysis of the costs of small-scale hydro power for progressing world hydro development.
Aggidis, G.A., Luchinskaya, E., Rothschild, R., Howard, D. 10/2008
Conference paper

Growth Determinants of the Small Hydropower Sector.
Pates, W., Aggidis, G.A., Panagopoulos, A. 09/2008
Conference paper

Informatics Analysis for Hydro-power Schemes across Northwest England. (Presentation)
Aggidis, G.A., Leigh, P.A., Luchinskaya, E.R., Timmis, R., Howard, D.C., Walker, G., Cass, N., Beven, K., Heathwaite, A.L., Rothschild, R., Young, A., Haxton, T. 09/2008
Speech

Novel Hydro-power performance envelopes.
Aggidis, G.A., Luchinskaya, E., O'Donnell, H., Saha, S. 09/2008
Conference paper

Tidal Energy and the North West of England.
Aggidis, G.A., Luchinskaya, E., Howard, D.C. 09/2008
Conference paper

On Patent Application filed for Lancaster University (LU), Lancaster, UK (50%) and the Environment Agency, Timmis R. (50%), under the title: “Active wildlife ladder”. UK Patent: UK Patent Application Number UKIPO GB 08.14293.7
Aggidis, G.A., Timmis, R. 1/08/2008
Patent

Investigating a Power-Absorber Wave Energy Converter.
Rahmati, M.T., Aggidis, G.A., Chaplin, R.V. 07/2008
Conference paper

Some Aspects of Tuning Wave Energy Converters in Irregular Waves.
McCabe, A.P., Aggidis, G.A., Widden, M. 07/2008
Conference paper

Test on a Novel Pitching-Surge Wave Energy Converter.
Rahmati, M.T., Aggidis, G.A., Chaplin, R.V., McCabe, A.P. 07/2008
Conference paper

On Patent Application filed for LU, Lancaster, UK under the title: “Fluid Turbine”. UK Patent: UK Patent Application Number UKIPO GB 08.11683.2
Aggidis, G.A. 26/06/2008
Patent

A RANS Code for Low-Speed Axial Turbo machinery flow analysis.
Rahmati, M.T., Aggidis, G.A. 06/2008
Conference paper

An inverse approach for airfoil design.
Rahmati, M.T., Aggidis, G.A., Zangeneh, M. 05/2008 In: Advances in Fluid Mechanics. 59, p. 35-44. 10 p.
Journal article

An inverse approach for blade shape design.
Rahmati, M.T., Aggidis, G.A. 05/2008
Conference paper

Optimum Mean Power Output of a Point Absorber Wave Energy Converter in Irregular Waves.
McCabe, A.P., Aggidis, G.A. 05/2008
Conference paper

Small Hydro Power - The Opportunities. (Invited Keynote Paper)
Aggidis, G.A. 04/2008
Conference paper

Developments, expectations of wave energy converters and mooring anchors in the UK.
Huang, M., Aggidis, G.A. 02/2008 In: Journal of Ocean University of China. 7, 1, p. 10-16. 7 p.
Journal article

Developing the Northwest of England Hydro Resource Model (Invited keynote presentation)
Aggidis, G.A. 10/01/2008
Speech

Tidal Energy research at Lancaster University. (Presentation)
Aggidis, G.A. 01/2008
Speech

A comparative approach to the economic modelling of a large-scale wave power scheme
Stallard, T., Rothschild, R., Aggidis, G. 2008 In: European Journal of Operational Research. 185, 2, p. 884-898. 15 p.
Journal article

Analysis of a pitching-and-surging wave-energy converter that reacts against an internal mass, when operating in regular sinusoidal waves.
Widden, M.B., French, M.J., Aggidis, G.A. 2008 In: Proceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment. 222, Number, p. 153-161. 9 p.
Journal article

Ocean energy: the wave of the future
Aggidis, G.A. 2008 In: Engineering a Safer Global Climate: The Power Sector's Response, 2008 IET Seminar on. IET Press p. 1-15. 15 p.
Paper

Wave and Tidal Marine Energy Research. (Invited speaker)
Aggidis, G.A. 2008
Speech

Investigation of barriers against the development of hydro power schemes in Northwest England.
Leigh, P.A., Aggidis, G.A., Howard, D.C. 10/2007
Conference paper

Low-head low-cost hydro power by conversion to air pressure.
Baker, N.J., Aggidis, G.A., Widden, M.B. 10/2007
Conference paper

Morecambe Bay: Innovation for Clean Energy Generation.
Aggidis, G.A., Broatch, H. 10/2007
Conference paper

The New Hydro – Ocean Energy.
Aggidis, G.A., Huang, M. 10/2007
Conference paper

Tidal power from the Solway Firth; barriers, impacts and capacity.
Howard, D.C., Aggidis, G.A., Smith, V., Robinson, D., Buttle, P., Catterson, N. 10/2007
Conference paper

WRASPA: Wave Interactions and Control for Pitching-Surge Point-Absorber Wave Energy Converters.
Chaplin, R.V., Aggidis, G.A. 09/2007
Conference paper

Renewable energy support, activities and developments in the UK.
Aggidis, G.A. 07/2007 In: Electrical Engineering Research Report.
Journal article

An Investigation into Power from Pitch-Surge Point-Absorber Wave Energy Converters.
Chaplin, R.V., Aggidis, G.A. 05/2007 In: International Conference on Clean Electrical Power, 2007. ICCEP '07.. IEEE p. 520-525. 6 p. ISBN: 1424406323.
Chapter

Renewable Energy Resources Impact on Clean Electrical Power by developing the North-West England Hydro Resource Model.
Leigh, P., Aggidis, G.A., Howard, D., Rothschild, R. 05/2007 In: International Conference on Clean Electrical Power, 2007. ICCEP '07. IEEE p. 315-322. 8 p. ISBN: 1424406323.
Chapter

Renewable Energy Research on Tidal Energy. (Presentation)
Aggidis, G.A. 27/03/2007
Speech

Review and state of the art of wave energy and wave energy converters, IMechE, Fluid Machinery for Developing Engineers, Cranfield, (Invited Paper).
Thomas, A., Aggidis, G.A., Institution of Mechanical Engineers, G.B. 2007 In: IMechE Conference Transactions. v. 1
Journal article

Time series analysis-based adaptive tuning techniques for a heaving wave energy converter in irregular seas.
Yavuz, H., Stallard, T.J., McCabe, A.P., Aggidis, G.A. 2007 In: Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy. 221, 1, p. 77-90. 14 p.
Journal article

A time-varying parameter model of a body oscillating in pitch.
McCabe, A.P., Aggidis, G.A., Stallard, T.J. 12/2006 In: Applied Ocean Research. 28, 6, p. 359-370. 12 p.
Journal article

Energy source or sink? : The role of Uplands in meeting our energy targets.
Aggidis, G.A., Howard, D.C., Wright, S.M., Scott, R. 09/2006 In: The International Journal of Biodiversity Science and Management. 2, 3, p. 196-199. 4 p.
Journal article

Resourceful solutions for hydro in the UK.
Aggidis, G. 17/08/2006 In: International Water Power and Dam Construction. 58, 9, p. 24-26. 3 p.
Journal article

Calculation of the performance of resonant wave energy converters in real seas.
Aggidis, G.A., McCabe, A., Widden, M., Yavuz, H. 1/03/2006 In: Proceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment. 220, 3, p. 117-128. 12 p.
Journal article

Developments in the design of the PS Frog MK5 Wave Energy Converter.
Aggidis, G.A., Bradshaw, A., McCabe, A., Meadowcroft, J. 1/01/2006 In: Renewable Energy. 31, 2, p. 141-151. 11 p.
Journal article

A hydro power resource model for North West England.
Aggidis, G.A., Howard, D.C., Wright, S.M. 2006 In: In water and the landscape : the landscape of ecology of freshwater ecosystems : Proceedings of the 14th annual IALE(UK) conference. p. 41-46. 6 p.
Chapter

Absorption of energy from irregular waves by a buoyant, surging body.
Meadowcroft, J.A., Stallard, T.J., Baker, N.J., Aggidis, G.A. 2006 In: Proceedings of the 16th international offshore and polar engineering conference (ISOPE)..
Chapter

Comparable performance characteristics from different test sites.
McCabe, A.P., Aggidis, G.A., Stallard, T.J. 2006 In: Proceedings of the 4th EC co-ordination action on ocean energy workshop - performance monitoring of ocean energy systems (INETI)..
Chapter

Energy source or sink? : The role of the Uplands in meeting our energy targets.
Aggidis, G.A., Howard, D.C., Wright, S.M., Scott, R. 2006 In: Proceedings of the international Uplands centre conference on sustainable Uplands..
Chapter

Fluid machinery and energy research on ocean energy and hydropower.
Aggidis, G. 2006
Conference paper

Functional decomposition analysis of a WEC control system.
McCabe, A.P., Yavuz, H., Stallard, T.J., Bradshaw, A., Aggidis, G. 2006 In: Proceedings of the SUPERGEN marine energy research consortium : work package 9 : wave power control..
Chapter

Hydro and Renewable Energy. (Presentation)
Aggidis, G.A. 2006
Speech

Maximising the benefits of hydropower by developing the North-West England hydro resource model.
Aggidis, G., Howard, D.C., Rothschild, R., Widden, M. 2006 In: Proceedings of the International Hydro Power & Dams Construction Journal. 7, 1
Journal article

NW hydro resource model.
Aggidis, G. 2006
Conference paper

Power optimisation for a 1-DOF surging WEC in regular seas with dynamically changing wave frequency.
McCabe, A.P., Yavuz, H., Bradshaw, A., Taylor, C.J., Aggidis, G.A. 2006 In: Proceedings of the SUPERGEN marine energy research consortium : work package 9 : wave power control..
Conference contribution

Power optimisation for a heaving 1-DOF surging WEC in regular seas with dynamically changing wave frequency.
McCabe, A.P., Yavuz, H., Bradshaw, A., Stallard, T.J., Aggidis, G. 2006 In: Proceedings of the SUPERGEN marine energy research consortium : work package 9 : wave power control..
Chapter

Power optimisation study for a 2 DOF pitching and surging wave energy converter in regular seas.
McCabe, A.P., Yavuz, H., Stallard, T.J., Aggidis, G. 2006 In: Proceedings of the SUPERGEN marine energy research consortium : work package 9 : wave power control..
Chapter

Preliminary investigation of multi-element profiles for a high-life variable pitch vertical-axis tidal stream device.
Quayle, S.D., Aggidis, G.A. 2006 In: IMechE Conference Transactions. v. 10
Journal article

Renewable energy research : ocean energy and hydropower.
Aggidis, G. 2006
Conference paper

Research on wave energy converters and mooring systems in the United Kingdom.
Aggidis, G.A., Huang, M. 2006 In: Water Resources and Power Journal (in Chinese). 24, 4, p. 37-40. 4 p.
Journal article

Fluid Machinery for Wave and Tidal Energy – State of the Art and New Developments.
Aggidis, G.A., IMechE Event Publications, 2. 10/2005 London : Institution of Mechanical Engineers.
Book

The Pump of the Future.
Aggidis, G.A. 09/2005 In: Water & Sewerage Journal. 3, p. 17-20. 4 p.
Journal article

Economic low head hydro power by conversion to air pressure.
Widden, M.B., French, M.J., Aggidis, G.A. 05/2005 In: Proceedings of the world renewable energy congress. ISBN: 008044671X.
Chapter

PS frog MK5 WEC developments and design progress.
Aggidis, G.A., Bradshaw, A., French, M.J., McCabe, A.P., Meadowcroft, J.A.C., Widden, M.B. 05/2005 In: Proceedings of the world renewable energy congress. p. 1199-1204. 6 p. ISBN: 008044671X.
Chapter

on Patent Application filed for Gilbert Gilkes & Gordon Ltd (GGG), Kendal, UK under the title: Improvements in or relating to turbines and in particular Pelton wheel turbines. US Patent: United States, 20050084367 A1, USPTO 415089000, International Class F04D001/14 Patent.
Aggidis, G.A., Aggidis, George A. (Patent applicant) 21/04/2005
Patent

(Invited Lecture) Advise to the Greek government on renewable energy issues, Hon. George Vagionas MP
Aggidis, G.A. 2005
Conference paper

A comparative study of wave energy technologies, public workshop: making waves: the economic and social impacts of marine renewables. (Invited paper)
Aggidis, G.A., Stallard, T.J., Rothschild, R. 2005
Conference paper

A comparative study of wave energy technologies, public workshop: ‘making waves: the economic and social impacts of marine renewables.
Aggidis, G.A., Bradshaw, A., French, M.J., McCabe, A.P., Meadowcroft, J.A.C., Widden, M.B. 2005 In: Proceedings of the EPSRC SuperGen marine energy research consortium.
Chapter

Analysis of PS frog pitching and surging wave-energy converter operating in regular sinusoidal waves.
Widden, M.B., French, M.J., Aggidis, G.A. 2005 In: Proceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment.
Journal article

Low Head Hydropower Developments.
Cattley, R., Widden, M.B., Aggidis, G.A. 2005 In: Proceedings of the world renewable energy congress.
Journal article

The power capture of PS frog pitching and surging point absorber wave energy converter.
Widden, M.B., French, M.J., Aggidis, G.A. 2005 In: Proceedings of the international symposium on fluid machinery for wave and tidal energy: state of the art and new developments.
Chapter

Economic energy from low head water by conversion to air pressure.
Widden, M.B., French, M.J., Aggidis, G.A. 12/2004 In: IMechE Conference Transactions. v. 6, p. 41-49. 9 p.
Journal article

Water Renewables Research at Lancaster University. (Presentation)
Aggidis, G.A. 11/2004
Speech

On Patent Application filed for GGG, Kendal, UK under the title: Improvements in or relating to turbines and in particular Pelton wheel turbines. Japanese Patent: Japanese Patent P2004-263697A,
Aggidis, G.A., Aggidis, George A. (Patent applicant) 24/09/2004
Patent

On Patent Application filed for GGG, Kendal, UK under the title: Improvements in or relating to turbines and in particular Pelton wheel turbines. UK Patent: UK Patent Application 0304556.4, 28 February 2003, GB, 2 398 840 A.
Aggidis, G.A., Aggidis, George A. (Patent applicant) 1/09/2004
Patent

Improvements in or relating to turbines and in particular Pelton wheel turbines.
Aggidis, G.A., Aggidis, George A. (Patent applicant) 28/08/2004
Patent

On Patent Application filed for GGG, Kendal, UK under the title: Improvements in or relating to turbines and in particular Pelton wheel turbines. Canadian Patent: Canadian Patent Application 2,459,626
Aggidis, G.A. 28/08/2004
Patent

on Patent Application filed for GGG, Kendal, UK under the title: Improvements in or relating to turbines and in particular Pelton wheel turbines. EU Patent: European Union Patent Application, EC: F03B1/02, IPC: F03B1/02; (IPC1-7): F03B1/02, Publication info: CA2459626 - 2004-08-28, 28 August 2004, EP 1 452 731 A2 01.09.2004 and EP 1 452 731 A3, 28.02.2007.
Aggidis, G.A., Aggidis, George A. (Patent applicant) 28/08/2004
Patent

Advanced materials for fluid machinery.
Aggidis, G.A. 2004 In: Proceedings of the international symposium on advanced materials for fluid machinery.
Chapter

Centrifugal pumps – state of the art and new opportunities.
Aggidis, G.A. 2004 In: Proceedings of the international symposium on centrifugal pump developments.
Chapter

Hydropower developments : new projects, rehabilitation, and power recovery / organized by the Fluid Machinery Group of the Institution of Mechanical Engineers (IMechE).
Aggidis, G.A. 2004 London : Professional Engineering Publishing. 141 p. ISBN: 1860584799.
Book

Hydropower developments – new projects and rehabilitation.
Aggidis, G.A. 2004 In: Proceedings of the international symposium on hydro power developments.
Chapter

Second International Symposium on Advanced Materials for Fluid Machinery / organised by the Fluid Machinery Group of the Institution of Mechanical Engineers (IMechE)
Aggidis, G.A. 2004 London : Published by Professional Engineering Publishing. 145 p. ISBN: 1860584411.
Book

Second international symposium centrifugal pumps : the state of the art and new developments / organized by the Fluid Machinery Group of the Institution of Mechanical Engineers (IMechE).
Aggidis, G.A. 2004 London : Professional Engineering Publishing. 187 p. ISBN: 1860584764.
Book

The facts and fiction of renewable energy.
Aggidis, G.A. 2004 In: Proceedings of the UK energy policy conference: will the lights go out?.
Chapter

Advances of CFD in Fluid Machinery Design /organised by the Fluid Machinery Group of the Institution of Mechanical Engineers (IMechE).
Aggidis, G.A. 18/11/2003 London : IMechE Event Publications.
Book

Hydropower Developments – New Projects & Rehabilitation / organised by the Fluid Machinery Group of the Institution of Mechanical Engineers (IMechE).
Aggidis, G.A. 21/11/2002 London : IMechE Event Publications.
Book

Current Situation & Perspectives of the British & European Hydro Turbine Industry & Technology for Small Hydro Power Generation.(Invited Keynote Paper)
Aggidis, G.A. 2002 In: IMechE Conference Transactions. v. 200, 11
Journal article

Technological Developments on Small Hydro.(Presentation)
Aggidis, G.A. 05/2001
Speech

Hydropower developments : new projects and rehabilitation / organized by the Fluid Machinery Committee of the Power Industries Division of the Institution of Mechanical Engineers (IMechE).
Aggidis, G.A. 30/11/2000 London : Professional Engineering Pub. for the Institution of Mechanical Engineers. 99 p. ISBN: 1860583172.
Book

Centrifugal pumps : the state of the art and new opportunities / Institution of Mechanical Engineers (Great Britain). Fluid Machinery Committee.
Aggidis, G.A. 18/05/2000 London : Institution of Mechanical Engineers. ISBN: 1860582834.
Book