Tidal (Wave) Power.

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Presentation transcript:

Tidal (Wave) Power

2 forms of energy can be derived: Tidal Stream: Kinetic Energy: Difference between the ebbing and surging Barrage: Potential Energy: Difference between the height of the high, and low water marks How and What…

Tidal Stream Similar to Wind Turbines… Underwater turbines collect the kinetic energy from the waves Tidal Stream

Similar to Hydroelectric Dams… During high tides, the water is collected, and when the tide recedes, the water is forced through the turbines (and generator) back out Tidal Barrage

Tidal Barrage

Tidal Stream

Depending on the size of the barrage or stream, it can cost anywhere from a few hundred million, to billions. Cost

Efficiency

Why isn’t it more widely used? Coal and oil are cheaper, and easier resources to find, though the extraction of these are not friendly to anyone; the environment, the people, and the economy. Why isn’t it more widely used?

Pros Vs. Cons Pros Cons No Waste -No CO2 Unknown Environmental Impacts - Not widely used enough to provide thorough environmental impact research Extremely efficient -2nd highest efficient form of renewable, alternative energy Cost Never Runs Out -Tides will last as long as there is a sun and moon; although the tides do vary Specific location requirements –Needs to be in areas were there are stronger tides, and underwater flow Pros Vs. Cons

Helpful Videos and Resources http://www.youtube.com/watch?v=tSBACzRE3Gw http://www.odec.ca/projects/2006/wong6j2/tidalAnimation.html http://www.youtube.com/watch?v=8-sFLGMSMac http://www.esru.strath.ac.uk/EandE/Web_sites/01-02/RE_info/Tidal%20Power.htm Helpful Videos and Resources