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Geothermal Energy
Some Technical Aspects About
By: Ahmed Tarek Mohamed
Definition:
Geothermal energy is energy extracted from
the heat stored in the earth.
Geothermal Power
Electricity Production
Heat sources:
Earth’s internal heat
(Heat loss)
Radioactive decay
(Heat gain)
Tectonic activity and Geothermal energy
Structure of the Earth
Geothermal Gradient:
Is the difference in temperature between the core
of the planet and its surface.
Heat Extraction and Geothermal reservoirs
Main Components of a Geothermal Power Plant:
■ Production Well
■ Separator
■ Heat Exchanger
■ Steam Turbine
■ Condenser
■ Generator
■ Injection Well
Main Components of a Geothermal Power Plant:
1. Production Well (hot water):
Main Components of a Geothermal Power Plant:
2. Separator :
Main Components of a Geothermal Power Plant:
3. Steam turbine and Generator:
Main Components of a Geothermal Power Plant:
4. Condenser:
- Steam condensed at a vacuum at the turbine exit.
Main Components of a Geothermal Power Plant :
5. Injection Well (cold water) :
Mechanism of Heat Extraction:
Types of geothermal power plants :
There are three different types of Geothermal power plants
system designs :
1. Dry Steam Power Plants.
2. Flash / Steam Plants.
3. Binary cycle power plant.
Binary Cycle Power Stations
Egyptian Geothermal Energy Sources
1. Geothermal springs are occur along the eastern and western
margin of the Suez Gulf (at Hammam Faraun, Ayoun Mousa and
Ain Sukhna).
2. Radiogenic HHP granites of the eastern desert.
References:
- W. Duffield et al. (2003). Geothermal energy-clean power from the earth’s heat, U.S.
Geological Survey, Reston, Virginia, 43pp.
- V. Pasquale et al. (2014). Geothermics Heat Flow in the Lithosphere, Springer, 127pp.
- L. Eppelbaum et al. (2014). Applied GeothermicsSpringer Heidelberg New York
Dordrecht London, 757pp.
- A. Lashin et al. (2016). Geothermal energy potential of eastern desert region-Egypt,
Springer-Verlag Berlin Heidelberg, Environ Earth Sci (2016) 75:697.
- Geothermal Energy Association (GEA). Geothermal Basics, 2014 [online] available.
Thanks For Your
Attention !
Any Questions ?

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Geothermal energy

  • 1. Geothermal Energy Some Technical Aspects About By: Ahmed Tarek Mohamed
  • 2. Definition: Geothermal energy is energy extracted from the heat stored in the earth. Geothermal Power Electricity Production
  • 3. Heat sources: Earth’s internal heat (Heat loss) Radioactive decay (Heat gain)
  • 4. Tectonic activity and Geothermal energy
  • 5. Structure of the Earth Geothermal Gradient: Is the difference in temperature between the core of the planet and its surface.
  • 6. Heat Extraction and Geothermal reservoirs
  • 7. Main Components of a Geothermal Power Plant: ■ Production Well ■ Separator ■ Heat Exchanger ■ Steam Turbine ■ Condenser ■ Generator ■ Injection Well
  • 8. Main Components of a Geothermal Power Plant: 1. Production Well (hot water):
  • 9. Main Components of a Geothermal Power Plant: 2. Separator :
  • 10. Main Components of a Geothermal Power Plant: 3. Steam turbine and Generator:
  • 11. Main Components of a Geothermal Power Plant: 4. Condenser: - Steam condensed at a vacuum at the turbine exit.
  • 12. Main Components of a Geothermal Power Plant : 5. Injection Well (cold water) :
  • 13. Mechanism of Heat Extraction:
  • 14. Types of geothermal power plants : There are three different types of Geothermal power plants system designs : 1. Dry Steam Power Plants. 2. Flash / Steam Plants. 3. Binary cycle power plant.
  • 15. Binary Cycle Power Stations
  • 16. Egyptian Geothermal Energy Sources 1. Geothermal springs are occur along the eastern and western margin of the Suez Gulf (at Hammam Faraun, Ayoun Mousa and Ain Sukhna). 2. Radiogenic HHP granites of the eastern desert.
  • 17. References: - W. Duffield et al. (2003). Geothermal energy-clean power from the earth’s heat, U.S. Geological Survey, Reston, Virginia, 43pp. - V. Pasquale et al. (2014). Geothermics Heat Flow in the Lithosphere, Springer, 127pp. - L. Eppelbaum et al. (2014). Applied GeothermicsSpringer Heidelberg New York Dordrecht London, 757pp. - A. Lashin et al. (2016). Geothermal energy potential of eastern desert region-Egypt, Springer-Verlag Berlin Heidelberg, Environ Earth Sci (2016) 75:697. - Geothermal Energy Association (GEA). Geothermal Basics, 2014 [online] available.
  • 18. Thanks For Your Attention ! Any Questions ?

Editor's Notes

  1. When the temperature of a hydrothermal resource is around 220F or 105C and up, it can be used to generate electricity, but geothermal reservoir’s heat may reach 400-600C.
  2. The hot water is passed by a secondary fluid with a much lower boiling point than water (organic compound). This causes the secondary fluid to flash vaporize in the heat exchanger, which then drives the turbines.