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Geothermal power. GEO = “EARTH” THERMAL = HEAT. TWO CATAGORIES. GEO-POWER PRODUCTION Typically must be built on tectonic fault lines Magma Pockets act as heat source for “boiler” Accounts for less than 1% of world’s energy 25% the footprint of coal fired plants No fuel imports

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geothermal power

Geothermal power

GEO = “EARTH”

THERMAL = HEAT

two catagories
TWO CATAGORIES
  • GEO-POWER PRODUCTION
    • Typically must be built on tectonic fault lines
      • Magma Pockets act as heat source for “boiler”
    • Accounts for less than 1% of world’s energy
    • 25% the footprint of coal fired plants
      • No fuel imports
      • No rail lines
    • “Production Wells” vs “Injection Wells”
      • 4000 – 7000 ft. deep
      • Super heat fluid flashes to superheated steam
        • High pressure steam
        • Low pressure steam
          • Both drive the turbine
    • Can be exhausted if mismanaged
    • Power Plants in the US
      • Faulkner
two categories con t
Two Categories Con’t
  • HVAC
    • Closed Looped Systems
      • Vertical Loop System
        • 150 -250 feet deep well with 5 – 6 inch core
        • Each well has two tubes = doubles surface area
        • Must grout the hole
        • $1850/well – depends on area
          • “Danglers” – air pockets with no contact
      • Horizontal Loop System
        • 6 – 14 ft deep depends on area
        • 100 – 200 ft long
        • “Slinky” effect with tubing – increases surface area
        • Manifold controls specific areas
        • Cheap but need more surface area
    • Open Loop System