Tidal_Energy - Tidal Energy by Lori DeLeon La Rance tidal...

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Tidal Energy by Lori DeLeon La Rance tidal power plant in La Rance, France
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What is tidal energy? Tidal power facilities harness the energy from the rise and fall of tides. Two types of tidal plant facilities. Tidal barrages Tidal current turbines Ideal sites are located at narrow channels and experience high variation in high and low tides.
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Basic physics of tides There are two high tides and two low tides during each period of rotation of the earth. Spring and Neap tides depend on the orientation of the sun, moon, and the earth. High spring tides occur when the sun and moon line up with the earth. This occurs whether they are either on same or opposite side. Low neap tides occur when the sun and moon line up at 90 ͦ to each other. Flood Currents : currents moving in the direction of the coast. Ebb Currents : the current receding from the coast Gravitational pull of the sun and moon and the pull of the centrifugal force of rotation of the earth-moon system. When a landmass lines up with the earth-moon system, the water around it is at high tide .
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  • Winter '15
  • Tidal power, Tide, tidal energy, tidal barrages, tidal current turbines

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