Tidal Power
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Tidal power in the UK has potential. Any visitor to the little seaside resorts south of Weston-Super-Mare can hardly fail to be impressed by the tidal range of the Severn estuary (third largest in the world)
Yet tidal power shares the same issues of intermittency as other renewables.
Using an idealised model of a tidal flow (sine curve) with zero velocity at low and high tides and maximum velocity at the midpoint, the power of the tide is proportional to the cube of the velocity
