water and its (renewable!) energycavity.caee.utexas.edu/...energy.../wep_6_9_10.pdf · water and...
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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
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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
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What happens under the surface of a wave?
June 8, 2010 Water and its Energy - Presentation by Prof. S.A. Kinnas 3
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Tides
June 8, 2010 Water and its Energy - Presentation by Prof. S.A. Kinnas 4
East River, NY
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Currents
June 8, 2010 Water and its Energy - Presentation by Prof. S.A. Kinnas 5
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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
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Hydro-electic Power – How it works
June 8, 2010 Water and its Energy - Presentation by Prof.
S.A. Kinnas 7
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Harnessing wave power Some innovative solutions
June 8, 2010 Water and its Energy - Presentation by Prof.
S.A. Kinnas 8
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The “Oscillating Water Column” (OCW)
June 8, 2010 Water and its Energy - Presentation by Prof.
S.A. Kinnas 9
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The “Sea-snake” (Pelamis)
June 8, 2010 Water and its Energy - Presentation by Prof.
S.A. Kinnas 10
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A buoy Wave Energy Converter (WEC)
June 8, 2010 Water and its Energy - Presentation by Prof.
S.A. Kinnas 11
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Harnessing ocean current/tidal power with marine turbines
June 8, 2010 Water and its Energy - Presentation by Prof.
S.A. Kinnas 12
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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
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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