This document provides an overview of various renewable ocean energy technologies, including wave, tidal, and ocean thermal energy. It discusses concepts such as how wave and tidal energy can be harnessed through devices that convert the kinetic or potential energy of ocean currents and waves into rotational or hydraulic motion. Examples of existing tidal power plants like the one in Rance River, France are also summarized.
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Energy_Wave_Intro
1. “ It is pleasant, when the sea is high and the winds are dashing the waves about, to watch from shore the struggles of another.” Lucretius, 99-55 B.C. An Introduction to Wave and Tidal Energy Frank R. Leslie, BSEE, MS Space Technology 5/25/2002, Rev. 1.7 f.leslie@ieee.org; (321) 768-6629 Renewable Energy in (and above) the Oceans
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Editor's Notes
Nonrenewable energies come from combustion of coal, oil, and natural gas. Their creation took millions of years, and we are using it faster than it was produced and faster than it is being created. Renewable energies come from the sun. Collection is from natural occurrences. While the energy is free, it costs money to collect it.
Greenhouse gases threaten to increase the temperature of the Earth with long-term consequences. These are extremely lengthy processes, and there is debate about the cause and effects. Coal provides a cheap, efficient source of heat, but it creates pollutants and CO2 through its combustion. Developing countries such as India and China rely heavily upon coal and thus have high concentrations of pollution. Far more pollution is expected from them in the future unless they can be convinced that renewable energy is preferable.
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