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Tidal Power

Tidal Power. Chris Webber. Tidal power is dependant on tides created by the moons gravitational pull on the earth. Potential. Places with highest tidal range Bay of Fundy, gulf of Kutch in India. Types of Tidal Power Generation. Barrages Tidal Streams. Tidal Barrage. Turbines

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Tidal Power

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  1. Tidal Power Chris Webber

  2. Tidal power is dependant on tides created by the moons gravitational pull on the earth

  3. Potential • Places with highest tidal range Bay of Fundy, gulf of Kutch in India

  4. Types of Tidal Power Generation • Barrages • Tidal Streams

  5. Tidal Barrage • Turbines • Sluice gates • Embankments

  6. Bulb Turbine

  7. Straflo or Rim Generator Turbine

  8. Tubular Turbine

  9. Benefits • Renewable • Can help protection of ports in storms • Can help navigation for shipping • Reliable, more so than solar or wind

  10. Environmental factors • Change in currents • Change in sediments • Salinity and quality of water • Migratory species

  11. Tidal streams • Instead of damming estuaries the tidal currents are harnessed using wind like turbines

  12. Main methods of current generation • Marine current generator • Stingray • Tidal fence

  13. Benefits of Tidal stream • Far less intrusive • Can generate same amount of power as wind with smaller blades moving slower due to density of water • More available sites • More reliable than wind • Usually less expensive than barrage

  14. Problems • Fouling • Relatively new technology • Don’t get the funneling effect of barrages

  15. Questions

  16. Bibliography • Boyle, Godfrey.(2004) Renewable Enegy, Power for a Sustainable Future. World wide: Oxford University Press • Tidal Power, Wikipedia. Accessed Mar. 19 from: http://en.wikipedia.org/wiki/Tidal_power • Tidal Power. Accessed Mar 20 from:http://www.esru.strath.ac.uk/EandE/Web_sites/01-02/RE_info/Tidal%20Power.htm

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