1 Indian Institute of Science, BangaloreGeothermal Energy Dr. Sayantan Ganguly Indian Institute of Science, Bangalore A Renewable Energy Source for Electricity Generation And Many Other Purposes

2 Food  Energy The most Complex System  The Human BodyFood is the Fuel or the energy supplier for Human body Parikrama Festival of Science 2016

3 Parikrama Festival of Science 2016Everything needs fuel Parikrama Festival of Science 2016

4 Parikrama Festival of Science 2016Coal Fuels Petroleum Parikrama Festival of Science 2016

5 Parikrama Festival of Science 2016Energy inputs Thermal Power Plant Parikrama Festival of Science 2016

6 Fossil fuels are Non-renewable and will be Exhausted one dayParikrama Festival of Science 2016

7 Parikrama Festival of Science 2016Problem of Air Pollution Green House Gases causing Global Warming and Climate Change Parikrama Festival of Science 2016

8 Solution to the problem are Renewable EnergiesParikrama Festival of Science 2016

9 Origin of Geothermal Energy Where does this heat come from?The word "geothermal" comes from the Greek words ‘geo’, meaning earth, and ’therme’ meaning heat. Geothermal energy is the heat contained in the earth crust. Origin of this heat is linked with the internal structure of our planet and the physical processes occurring inside. Where does this heat come from? Parikrama Festival of Science 2016

10 What is a Geothermal Reservoir?A geothermal reservoir is a volume of rocks in the subsurface from which exploitation in terms of heat can be economically profitable. When a large volume of hot water and steam is trapped in subsurface porous and permeable rock structure and a convective circulating current is set up, it forms a geothermal reservoir Parikrama Festival of Science 2016

11 Where do we find a Geothermal Reservoir?Reservoirs can be suspected in the areas where we find : Geysers Boiling mudpots Volcano Hot springs Fumaroles Reservoirs can be discovered Testing the soil Analyzing underground temperature Parikrama Festival of Science 2016

12 Direct uses of Geothermal Energy Hot Water Resorts and PoolsSpace heating Air conditioning Industrial processes Drying Greenhouses Agriculture Hot Water Resorts and Pools Melting snow Parikrama Festival of Science 2016

13 Parikrama Festival of Science 2016

14 Parikrama Festival of Science 2016Video Clips on Geothermal Energy1 Geothermal Energy2 Parikrama Festival of Science 2016

15 Positives of Geothermal EnergyRenewable and Environment Friendly source of Energy. No burning of fuels and hence no harmful emission (CO2 , CO or any other greenhouse gases) Reliable source of energy and can be operated 24 hours a day. Very low operation and maintenance effort and cost. Smallest footprint on the surface. Renewable and Environment Friendly source of Energy. No burning of fuels and hence no harmful emission (CO2 , CO or any other greenhouse gases) Reliable source of energy and can be operated 24 hours a day. Very low operation and maintenance effort and cost. Smallest footprint on the surface. Parikrama Festival of Science 2016

16 Thank you for listeningAny Questions? Parikrama Festival of Science 2016