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Question
Explain the principle and process of converting ocean thermal energy into electricity.
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Solution
A device used to obtain ocean thermal energy is known as Ocean Thermal Energy Conversion (OTEC) power plant
For operating OTEC power plant, temperature difference of 20∘ C or more between the surface water of ocean and water deep into the ocean is required. The warm surface water of ocean is used to boil liquid like ammonia or chlorofluo'ro carbon (CFC). The vapours of this liquid at high pressure are used to rotate the turbine of the generator to produce electricity. The unused vapours (known as dead steam) are again converted into liquid by the cold water pumped up from the deep ocean. This process is repeated time and again to convert ocean thermal energy into electric energy (i.e., electricity). The main advantage of OTEC power plant is that it can be operated for 24 hours in a day throughout the year.
For operating OTEC power plant, temperature difference of 20∘ C or more between the surface water of ocean and water deep into the ocean is required. The warm surface water of ocean is used to boil liquid like ammonia or chlorofluo'ro carbon (CFC). The vapours of this liquid at high pressure are used to rotate the turbine of the generator to produce electricity. The unused vapours (known as dead steam) are again converted into liquid by the cold water pumped up from the deep ocean. This process is repeated time and again to convert ocean thermal energy into electric energy (i.e., electricity). The main advantage of OTEC power plant is that it can be operated for 24 hours in a day throughout the year.
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