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The image depicts a schematic representation of an Ocean Thermal Energy Converter process utilizing temperature differentials between 1000-meter-deep ocean water, marked at 5°C, and surface water at 15°C to generate electricity. The sequence initiates at the vaporizer where warm surface water heats ammonia into gas, progressing to the turbine where expanding ammonia gas impels the turbine to produce power output. Subsequently, this continues to the condenser where the cool deep ocean water re-condenses the ammonia gas back to liquid, facilitated by the labeled temperatures of water entering at 10°C. Finally, the cycle completes as the water exits the system, ready to be cycled back again via a pump.
Given the complexity of the image, the above description may not be entirely accurate.
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The diagram shows how electricity is produced using Ocean Thermal Energy Conversion (OTEC). This system uses the temperature difference between warm surface water and cold deep ocean water.
Overall, electricity is generated through a continuous process that uses ammonia. Warm water is used to change ammonia into gas, while cold water is used to turn it back into liquid.
First, warm surface seawater with a temperature of about 15°C enters the vaporiser. Inside this chamber, the heat from the water causes liquid ammonia to evaporate and become gas. The expanding ammonia gas then flows into a turbine. As the gas moves through the turbine, it causes the turbine to spin and produce electricity.
Next, the ammonia gas passes into a condenser. Cold water from the deep ocean, at around 5°C, is pumped into this section. The cold temperature causes the gas to condense and return to liquid form. Finally, the liquid ammonia is pumped back to the vaporiser, and the cycle continues.
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