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Water and its (Renewable!) Energy
June 8, 2010 Water and its Energy - Presentation by Prof. S.A. Kinnas 1
Presented by Prof. Spyros A. Kinnas Dept. of Civil, Architectural and Environmental Engineering
Dams
June 8, 2010 Water and its Energy - Presentation by Prof. S.A. Kinnas 2
Still water with high potential energy
Moving water with high speed and high kinetic energy
What happens under the surface of a wave?
June 8, 2010 Water and its Energy - Presentation by Prof. S.A. Kinnas 3
Tides
June 8, 2010 Water and its Energy - Presentation by Prof. S.A. Kinnas 4
East River, NY
Currents
June 8, 2010 Water and its Energy - Presentation by Prof. S.A. Kinnas 5
Some numbers:
June 8, 2010 Water and its Energy - Presentation by Prof. S.A. Kinnas 6
A household in the US requires an average electrical power of 1-2 kW (kiloWatts)
A power plant that produces 1 MW (MegaWatt) = 1,000 kW can supply about 500-1,000 households
A power plant that produces 1 GW (GigaWatt) = 1,000MW = 1,000,000 kW can supply about 500,000 -1,000,000 households
Hydro-electic Power – How it works
June 8, 2010 Water and its Energy - Presentation by Prof.
S.A. Kinnas 7
Harnessing wave power Some innovative solutions
June 8, 2010 Water and its Energy - Presentation by Prof.
S.A. Kinnas 8
The “Oscillating Water Column” (OCW)
June 8, 2010 Water and its Energy - Presentation by Prof.
S.A. Kinnas 9
The “Sea-snake” (Pelamis)
June 8, 2010 Water and its Energy - Presentation by Prof.
S.A. Kinnas 10
A buoy Wave Energy Converter (WEC)
June 8, 2010 Water and its Energy - Presentation by Prof.
S.A. Kinnas 11
Harnessing ocean current/tidal power with marine turbines
June 8, 2010 Water and its Energy - Presentation by Prof.
S.A. Kinnas 12
Harnessing ocean current/tidal power with a kite and a turbine!
June 8, 2010 Water and its Energy - Presentation by Prof.
S.A. Kinnas 13
All innovative solutions to harvest the immense energy of water require
knowledge of fluid mechanics, obtained through basics (theory),
numerical, and experimental methods
June 8, 2010 Water and its Energy - Presentation by Prof.
S.A. Kinnas 14