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Ocean Thermal Energy Conversion (OTEC) is an innovative power generation system that uses the slight temperature difference between surface layer ocean water and ...
Ocean Thermal Energy Conversion (OTEC) is an innovative power generation system that uses the slight temperature difference between surface layer ocean water and deep ocean water.
Xenesys Inc. has acquired an exclusive license for the patent on the "Uehara Cycle", a cycle developed by Saga University with higher efficiency than the conventional method, and is implementing demonstration testing using an OTEC mini model plant.
First, a mixture of ammonia and water is sent to an evaporator. There, the mixture is evaporated by the red colored surface layer ocean water, which then rotates the mixed steam turbine to generate electricity. The mixed steam is then cooled and condensed to liquid by the blue colored deep ocean water and then once again sent to the evaporator as recycled water. Through the repetition of this cycle, power can be continuously generated using only ocean water.
The Ocean Thermal Energy Conversion system of course outputs zero CO2 emissions and can provide a stable annual supply of electricity because it is not affected by weather variations as is the case with wind power and solar power generation systems.
The OTEC system demonstrates significant potential as an ultimate power supply system for the future.
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When you say steam, it's not only water steam. What is turned insto steal is AMMONIA. Depending on the pressure, ammonia can boil at temperatures as low as -20ºC or colder, well below the freezing temperature of water...
For the scientifically challenged people: Ammonia is already the main refrigeration fluid used in cold storage and Ice prodution in industrial scale the world. It's not suitable to be in supermarkets and homes because ammonia is dangerous if spilled. What these guys did is to use this concept to generate electricity, heating the deep ocean and cooling the surface. It's as if they are collecting the energy of the sun that was absorbed by the water. Maybe it will even help slow the global warming.
I love these haters,"it won't work unless you use coal,lots of coal and pour some crudeoil over those pretty lights for god sake" One of the first things Regan did as president was remove the already installed solar panels. Thes haters are everywhere. sorry for the rant .
Ocean surface water may be warmer than deep ocean water but it's still lower than average room temperature. How do they use that to turn cold water into steam? I think it's just the ammonia that turns from liquid to gas and back. And I'm pretty sure that once the deep ocean water is used to condense the ammonia, it isn't pumped back down and released in the deep, it's released on the surface- where it will threaten to cool the surface water unless a current carries it away.
wouldnt matter if on a large scale it heated the ocean or not, during the winter it would cool down again then repete the process each year, if it did heat the ocean too much melting icebergs would easily cool down the warm seas anyhow
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What these guys did is to use this concept to generate electricity, heating the deep ocean and cooling the surface. It's as if they are collecting the energy of the sun that was absorbed by the water. Maybe it will even help slow the global warming.
resistant?
What happen if the ammonia is pumped to the deep ocean thru a close cycle pipe.
This system uses warm water coming from equador. All year is possible to be working this system.