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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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Page 1: Water and its (Renewable!) Energycavity.caee.utexas.edu/...energy.../wep_6_9_10.pdf · Water and its (Renewable!) Energy June 8, 2010 Water and its Energy - Presentation by Prof

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

Page 2: Water and its (Renewable!) Energycavity.caee.utexas.edu/...energy.../wep_6_9_10.pdf · Water and its (Renewable!) Energy June 8, 2010 Water and its Energy - Presentation by Prof

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

Page 3: Water and its (Renewable!) Energycavity.caee.utexas.edu/...energy.../wep_6_9_10.pdf · Water and its (Renewable!) Energy June 8, 2010 Water and its Energy - Presentation by Prof

What happens under the surface of a wave?

June 8, 2010 Water and its Energy - Presentation by Prof. S.A. Kinnas 3

Page 4: Water and its (Renewable!) Energycavity.caee.utexas.edu/...energy.../wep_6_9_10.pdf · Water and its (Renewable!) Energy June 8, 2010 Water and its Energy - Presentation by Prof

Tides

June 8, 2010 Water and its Energy - Presentation by Prof. S.A. Kinnas 4

East River, NY

Page 5: Water and its (Renewable!) Energycavity.caee.utexas.edu/...energy.../wep_6_9_10.pdf · Water and its (Renewable!) Energy June 8, 2010 Water and its Energy - Presentation by Prof

Currents

June 8, 2010 Water and its Energy - Presentation by Prof. S.A. Kinnas 5

Page 6: Water and its (Renewable!) Energycavity.caee.utexas.edu/...energy.../wep_6_9_10.pdf · Water and its (Renewable!) Energy June 8, 2010 Water and its Energy - Presentation by Prof

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

Page 7: Water and its (Renewable!) Energycavity.caee.utexas.edu/...energy.../wep_6_9_10.pdf · Water and its (Renewable!) Energy June 8, 2010 Water and its Energy - Presentation by Prof

Hydro-electic Power – How it works

June 8, 2010 Water and its Energy - Presentation by Prof.

S.A. Kinnas 7

Page 8: Water and its (Renewable!) Energycavity.caee.utexas.edu/...energy.../wep_6_9_10.pdf · Water and its (Renewable!) Energy June 8, 2010 Water and its Energy - Presentation by Prof

Harnessing wave power Some innovative solutions

June 8, 2010 Water and its Energy - Presentation by Prof.

S.A. Kinnas 8

Page 9: Water and its (Renewable!) Energycavity.caee.utexas.edu/...energy.../wep_6_9_10.pdf · Water and its (Renewable!) Energy June 8, 2010 Water and its Energy - Presentation by Prof

The “Oscillating Water Column” (OCW)

June 8, 2010 Water and its Energy - Presentation by Prof.

S.A. Kinnas 9

Page 10: Water and its (Renewable!) Energycavity.caee.utexas.edu/...energy.../wep_6_9_10.pdf · Water and its (Renewable!) Energy June 8, 2010 Water and its Energy - Presentation by Prof

The “Sea-snake” (Pelamis)

June 8, 2010 Water and its Energy - Presentation by Prof.

S.A. Kinnas 10

Page 11: Water and its (Renewable!) Energycavity.caee.utexas.edu/...energy.../wep_6_9_10.pdf · Water and its (Renewable!) Energy June 8, 2010 Water and its Energy - Presentation by Prof

A buoy Wave Energy Converter (WEC)

June 8, 2010 Water and its Energy - Presentation by Prof.

S.A. Kinnas 11

Page 12: Water and its (Renewable!) Energycavity.caee.utexas.edu/...energy.../wep_6_9_10.pdf · Water and its (Renewable!) Energy June 8, 2010 Water and its Energy - Presentation by Prof

Harnessing ocean current/tidal power with marine turbines

June 8, 2010 Water and its Energy - Presentation by Prof.

S.A. Kinnas 12

Page 13: Water and its (Renewable!) Energycavity.caee.utexas.edu/...energy.../wep_6_9_10.pdf · Water and its (Renewable!) Energy June 8, 2010 Water and its Energy - Presentation by Prof

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

Page 14: Water and its (Renewable!) Energycavity.caee.utexas.edu/...energy.../wep_6_9_10.pdf · Water and its (Renewable!) Energy June 8, 2010 Water and its Energy - Presentation by Prof

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

Reducing water and energy tradeoffs by increasing water and energy productivity

Week 1: Water for Energy, Energy for Water

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