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Temat: Wave-driven water pump has no moving parts
The wave pump comprises an OWC-type (oscillating-water-column) wave chamber and a series of specially shaped basins, stacked on top of each other, with room in-between for water to flow. An OWC device taps the pressure of the enclosed air in a cavity (column of air). Air pressure varies as a function of the level of water in the cavity — the higher the water, the greater the air pressure. Ideally, the OWC device is installed on a float near the coast. As waves enter and leave the wave chamber, the changing air pressure in the wave chamber causes portions of water to travel from one basin up to the next higher basin, in all basins simultaneously. According to Jobb, given enough basins and a large wave chamber, the water can, in principle, climb to any height, even when waves are small. The elevated water could then, for instance, exit a pipe and the resulting waterfall could drive a water turbine for electric power generation.http://machinedesign.com/article/wave-driven-water-pum...