Geothermal Energy
Definition:
"Geo" means
earth and "thermal" means heat.
Geothermal energy which is one of the renewable and sustainable power sources, comes from the heat generated by the earth.
This means hot dry rock resources occur at depths of 3 to 5 miles
everywhere beneath the Earth's surface and at lesser depths in certain areas.
Access to these resources involves injecting cold water down one well,
circulating it through hot fractured rock, and drawing off the heated water
from another well.
Some geothermal power plants use the steam from a reservoir
to power a turbine/generator, while others use the hot water to boil a working
fluid that vaporizes and then turns a turbine. Hot water near the surface of
Earth can be used directly for heat. 
SOURCE: just google 'geothermal diagram'
ReplyDeletehttps://www.google.com/search?q=geothermal+diagram&source=lnms&tbm=isch&sa=X&ei=5P4jUpvTJeu_sAS87YHQBg&ved=0CAkQ_AUoAQ&biw=1028&bih=683
SOURCE: just google 'geothermal scale'
http://azgeology.azgs.az.gov/archived_issues/www.azgs.az.gov/arizona_geology/spring11/images/geothermal_resource2009-final_lg.jpg
I have added another blog about Large and small scale.
DeleteAnahita,
ReplyDeleteYour definition refers to large scale geothermal power plants - please also look into how smaller scale domestic and commercial geothermal systems work. Did you find a project that uses geothermal?
I do have a pool Project that I had designed it for a hotel in Tehran, and I used a creative style to keep the water warm or cool without using pipes. I'm not sure if it works in this matter, but I can share its details if you mind.
Delete