GEOTHERMAL ENERGY 9
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10 Terms
Derived from the Greek words 'geo' meaning 'earth' and 'therme' meaning 'heat.'
Geothermal
The heat within the earth, primarily sourced from the Earth's core.
Geothermal Energy
A geothermal power plant that drives a turbine using steam from the ground.
Dry Steam Power Plant
A geothermal power plant that converts high-pressure hot water into low-pressure steam to drive a turbine.
Flash Steam Power Plant
A geothermal power plant that transfers heat from geothermal water to a secondary fluid, which then vaporizes.
Binary Plant
A series of pipes that circulate fluid underground in geothermal energy systems.
Underground Pipe System
A system that extracts heat from underground pipes and distributes it via duct systems.
Electric Compressor and Heat Exchange
Hot water is pumped from underground, turns into steam upon pressure drop, spins a turbine connected to a generator, then condenses back into water and is returned underground.
How does a geothermal power plant work?
Extracted without burning fossil fuels, produces clean carbon dioxide, no emissions, always available.
Advantages of Geothermal Energy
Environmental problems, release of hydrogen sulfide, disposal of toxic geothermal fluids.
Disadvantages of Geothermal Energy