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Ocean Wave Energy Ocean waves have both kinetic and potential energy. There are various devices for converting wave energy into other forms of energy - such as mechanical motion or fluid pressure. The devices are classified into large-scale offshore devices and small-scale shoreline devices. Most of the development is on large-scale offshore devices, such as the oscillating water column (OWC). China has constructed a 3 kW OWC shoreline device, which has an artificial gully and a Wells turbine. India has built a 150 kW OWC caisson breakwater device and a Wells turbine. The technology is still under development in several countries. The inherent characteristics of wave power are that the energy is diffuse; wave forces are enormous during storms; waves vary in size, wavelength and direction depending upon wind conditions; the mean sea water level changes with the tide; and the available energy varies over a wide range. Therefore, the design...

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