Geothermal Energy
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Transcript of Geothermal Energy
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GEOTHERMAL ENERGY
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Geothermal exploration survey
Satellite imagery and aerial photography. Volcanological studies. Geologic and structural mapping. Geochemical surveys. Geophysical surveys. Temperature gradient hole drilling.
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Geothermal exploration
Exploration commonly begins with analysis of satellite images and aerial photographs.
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Suitable places for Geothermal Power Plant
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Suitable places for Geothermal Power Plant
• The suitable places for establishing Geothermal Power Plant are where there are tectonic fault lines.
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Suitable places for Geothermal Power Plant
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IN EGYPT
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Applications of geothermal energy
1) Power planets2) Residential usage
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POWER PLANT
Geothermal energy ‘s greatest potential lies in the generation of electricity by Geothermal Power Plant .
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Electric & NON-Electric Power Production(MW)
USA
Indo
nesia
Italy
Icel
and
El S
alva
dor
Costa
Rica
Russia
Guate
mal
a
China
Ethi
opia
Aust
ria
Thai
land
0
500
1000
1500
2000
2500
3000
3500
4000
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NO. of Geothermal Power Stations, 2005
USA
Mex
ico
Italy
Japa
n
China
Guate
mal
a
Costa
Rica
Portu
gal
Aust
ria
Aust
ralia
Ethi
opia
Thai
land
189
57363332
1919151311 8 8 5 5 5 3 2 2 1 1 1 1 1 1
NO. of units,2005
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Geothermal Energy Production of Total National Energy Production
Icel
and
Philipp
ines
Costa
Rica
El S
alva
dor
Keny
a
New Z
eala
nd
Nicar
agua
Indo
nesia
Mex
ico
USA
Japa
n0%
5%
10%
15%
20%
25%
30%
35%30%
27%
14% 14%11% 10% 10%
4% 3%0% 0%
Percentage of national production
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Comparison of sulfur dioxide and carbon dioxide emissions between two fossil-fueled power plants, and a geothermal power plant.
Coal Oil Geothermal
12
10
2
SO2 Emissions (lbs/MW-hr)
Coal Oil Geothermal
1800
1550
150
CO2 Emissions(lbs/MW-hr)
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CO2 Emissions from electricity generation, In 2005
Coal
Oil
Natural Gas
Geothermal
955
883
599
91
CO2 Emissions(lb/kWh)
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Applications of Geothermal Energy
Electricity41%
Space Heating23%
Geothermal Heat Pumps
12%
Greenhouse Heat-ing9%
Aquaculture6%
Industrial uses5% Cooling&Snow meltting
1%
others3%
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Geothermal Residential usage
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Geothermal Heat Pump Installation Methods
Vertical closed-loop
A pair of pipes with a special U-bend assembly at the bottom is placed into bore holes from 100 to 400 feet deep
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Geothermal Heat Pump Installation Methods
Horizontal closed-loop
A piping array is installed in trenches cut 3 to 5 feet deep and hundreds of feet in length
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Geothermal Heat Pump Installation Methods
Surface water closed-loop
A piping array is submerged in a pond or lake at least 8 feet deep
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Geothermal Heat Pump Installation Methods
Ground water open-loop
Well water from an underground aquifer is pumped through the geothermal heat pump and then returned to the aquifer or discharged to the surface
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Black Point Inn - Prouts Neck, ME
Naval Observatory, Washington DC French Laundry Rest.- Napa, CA
Galt House Hotel - Louisville, KY
Gaillardia Offices – Okla. City
Statue of Liberty Gift Shop
California University of PA
Harvard Library – Cambridge, MA Whistler Village - BC, Canada
Hirschfeld Towers – Denver, CO
ASHRAE Headquarters - Atlanta, GA
Yale Art Bld. – New Haven, CT
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THANKS!
Soft copy will be available at facebook page
ALEX MECHANICAL ENGINEERING 2012 And the following websites :Eng-club.comSlideshare.net