Tidal Power Chris Webber Tidal power is dependant on tides created by the moons gravitational pull on the earth Tidal power is dependant on tides created by the moons gravitational pull on the earth Potential Places with highest tidal range Places with highest tidal range Bay of Fundy, gulf of Kutch in India Bay of Fundy, gulf of Kutch in India Types of Tidal Power Generation Barrages Barrages Tidal Streams Tidal Streams Tidal Barrage Turbines Turbines Sluice gates Sluice gates Embankments Embankments Bulb Turbine Straflo or Rim Generator Turbine Tubular Turbine Benefits Renewable Renewable Can help protection of ports in storms Can help protection of ports in storms Can help navigation for shipping Can help navigation for shipping Reliable, more so than solar or wind Reliable, more so than solar or wind Environmental factors Change in currents Change in currents Change in sediments Change in sediments Salinity and quality of water Salinity and quality of water Migratory species Migratory species Tidal streams Instead of damming estuaries the tidal currents are harnessed using wind like turbines Instead of damming estuaries the tidal currents are harnessed using wind like turbines Main methods of current generation Marine current generator Marine current generator Stingray Stingray Tidal fence Tidal fence Benefits of Tidal stream Far less intrusive Far less intrusive Can generate same amount of power as wind with smaller blades moving slower due to density of water Can generate same amount of power as wind with smaller blades moving slower due to density of water More available sites More available sites More reliable than wind More reliable than wind Usually less expensive than barrage Usually less expensive than barrage Problems Fouling Fouling Relatively new technology Relatively new technology Dont get the funneling effect of barrages Dont get the funneling effect of barrages Questions Bibliography Boyle, Godfrey.(2004) Renewable Enegy, Power for a Sustainable Future. World wide: Oxford University Press Boyle, Godfrey.(2004) Renewable Enegy, Power for a Sustainable Future. World wide: Oxford University Press Tidal Power, Wikipedia. Accessed Mar. 19 from:Tidal Power, Wikipedia. Accessed Mar. 19 from: Tidal Power. Accessed Mar 20 from:http://www.esru.strath.ac.uk/EandE/Web_ sites/01-02/RE_info/Tidal%20Power.htm Tidal Power. Accessed Mar 20 from:http://www.esru.strath.ac.uk/EandE/Web_ sites/01-02/RE_info/Tidal%20Power.htm