Difference between revisions of "OTEC - Ocean Thermal Energy Conversion"

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= <span style="color: rgb(0, 0, 255);">'''OTEC - Ocean Thermal Energy Conversion'''</span>  =
 
  
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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="color: rgb(0, 0, 255);">The world needs renewable energy badly this century because the oil and gas economy is doomed due to both high extraction costs and environmental concerns. Renewable energy forms are hidroelectricity, solar, wind, biomass, ocean waves and tides, river flows, geothermal, and nuclear fusion, this one on R&amp;D, technological demonstration phases. The OTEC system, which stands for Ocean Thermal Energy Conversion, taps into the stored solar energy in the ocean by using the temperature difference between the ocean surface and the bottom of the sea for extracting work through a Rankine cycle. The ocean is indeed a huge solar capacitor, its temperature at about 1,000 m depth is steadily around 4ºC, and at the tropics ranges from 15ºC to 30ºC, 24 hours a day, 365 days a year, which turns out to be a base-load energy source, a reliable and clean energy solution</span>.
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= Overview =
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The world needs renewable energy badly this century because the oil and gas economy is doomed due to both high extraction costs and environmental concerns. Forms of renewable energy are [[Portal:Hydro|hydroelectricity]], [[Portal:Solar|solar]], [[Portal:Wind|wind,]] [[Portal:Solid Biomass|biomass]], ocean waves and tides, river flows, geothermal, and nuclear fusion.
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= <span dir="auto">Ocean Thermal Energy Conversion (</span>OTEC) System =
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The '''<span data-scayt_word="OTEC" data-scaytid="157">OTEC</span> system''', which stands for "'''Ocean Thermal Energy Conversion'''", taps into the stored [[Portal:Solar|solar energy]] in the ocean through the difference between the sea-surface temperatures and under <span data-scayt_word="300m" data-scaytid="160">300m</span> depth, which can be harnessed for extracting work through a <span data-scayt_word="Rankine" data-scaytid="161">Rankine</span> cycle. The ocean is indeed a huge solar capacitor, its temperature at about 1,000 m depth is steadily around 4ºC, and at the tropics the sea-surface temperatures range from 15ºC to 30ºC on a 24/7 basis, which turns out to be a base load energy source, and a reliable and clean energy solution.
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= Organizations =
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<u>Organizations working on <span data-scayt_word="OTEC" data-scaytid="158">OTEC</span> R&D are:</u>
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*[http://otecinternationalllc.com/ Homepage OTEC International]
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*[http://www.otecpower.com/ Homepage Otecpower]
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*[http://www.otecorporation.com/ Homepage Otecorporation]
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*[http://www.xenesys.com/ Homepage Xenesys]
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*[http://www.lockheedmartin.com/how/ Homepage Lockheed]
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*[http://www.nelha.org/ Homepage Nelha]
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= Further Information =
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*[[Portal:Solar|Solar Portal on energypedia]]<br/>
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= References =
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<references />
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[[Category:Solar]]

Latest revision as of 11:54, 20 January 2015

Overview

The world needs renewable energy badly this century because the oil and gas economy is doomed due to both high extraction costs and environmental concerns. Forms of renewable energy are hydroelectricity, solar, wind, biomass, ocean waves and tides, river flows, geothermal, and nuclear fusion.



Ocean Thermal Energy Conversion (OTEC) System

The OTEC system, which stands for "Ocean Thermal Energy Conversion", taps into the stored solar energy in the ocean through the difference between the sea-surface temperatures and under 300m depth, which can be harnessed for extracting work through a Rankine cycle. The ocean is indeed a huge solar capacitor, its temperature at about 1,000 m depth is steadily around 4ºC, and at the tropics the sea-surface temperatures range from 15ºC to 30ºC on a 24/7 basis, which turns out to be a base load energy source, and a reliable and clean energy solution.



Organizations

Organizations working on OTEC R&D are:




Further Information


References

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