WHY DO WE NEED GEOTHERMAL ENERGY?
Over the years we have realised the importance of renewable sources of energy and with global warming becoming a universal problem geothermal will occupy a very important role in providing energy.But this geothermal power plants will not only be a source of energy but also help u in predicting EARTHQUAKE.It can be used for predicting earthquakes. At present with the oil prices as high as 100$ per barrel i think we need to seriously look at geothermal energy as the source of energy in future.In a country like India where oil and gas reserves are very low and our oil and gas needs are met by gulf countries and the central asian nations geothermal energy may just be the answer we are looking for.
According to a recent study India has a potenial of 10,600MW from geothermicity and most of the earthquakes occuring in India are at a shallow depth of about 10-12 kms. Thus,this very facts states that geothermal power plants are very much viable in India from technical point of view.
ADVANTAGES OF GEOTHERMICITY
The innovative approach requires finding these seisimic hotspots where the geothermal gradient is high .Drilling of wells in such places should be done keeping in mind the line of rock fractures in order to maximise the energy output.Temperature of underground rocks is calculated using sophisticated geothermometers like silica thermometer.Reducing the strees in the rocks has dual benefits .Firstly ,the high energy content can vapourise steam and run turbines .Secondly ,te stress build up in the rocks is lowered thereby reducing the chance of a high intensity earthquakes.The water sent through the fault lines lubricates them thereby cutting out regression.
CONTRIBUTED BY-
GAURAV JHA
MIT,1st year,
Electronic & Communication
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