The concepts of sea water:
Sea water around the world is
continually moving. The wind causes ocean waves as it blows across the sea.
These waves are powerful sources of energy. This can be used to drive
generators.
Concepts of tides:
Tides by definition are the rising
and falling of the ocean flow. Tides are produced by the gravitational pull of
the moon and to some extent the sun. The change of water levels that the tides
produce can be used as an energy source.
Concepts of wave energy:
There are several methods of getting
energy from waves.
The occurrence of waves in a
swimming pool
Air is blown in and out of the chamber
beside the pool; this makes the water bob up and down, causing waves.
How tides can produce electricity:
Electricity can also be generated
from tides. As tide rises, water is allowed to enter the upper basin in the
dam. Once the high tide has passed, the water on the upper basin is made to
flow back to the lower basin through turbines in the barrage. The turbine turns
generators, which convert seawater into electricity.
Water energy – is the energy obtained from running water by use of turbine
and generators
Sea wave energy – Is the energy obtained from the series of swells of sea
water.
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