GEOTHERMAL ENERGY

By USHA RANI

Geothermal fossil systems(Hybrid systems):

Low-temperature of geothermal sources in the low temp.

High-temperature of geothermal sources in the high temp.

Arrangement of hybrid plants

Geothermal –preheat hybrid systems

Fossil-superheat hybrid sytems

Geothermal –Preheat hybrid systems

Fossil-fuel hybrid system

APPLICTIONS OF GEOTHERML ENERGY AT DIFFERENT TEMPARATURES

TEMPERATURES REGIMES

Geothermal energy can be divided into three temp regimes.

i. High =>150°c

ii. Moderate =90-150°c

iii.Low=<90°c

Application of Geothermal Energy

Space HeatingAir

ConditioningDrying

Hot Water

Greenhouses

Melting SnowAquaculture

ADVANTAGES

Environment friendly.

Renewable energy source.

High potential.

Low operational cost.

More reliable than other alternatives.

DISADVANTAGES

High installation cost .

May release harmful gases .Earthquakes .

Transportation .