- Description: 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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