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Assessment of geothermal resources for power generation

D. MENDRINOS1,* , C. KARYTSAS1, P. S. GEORGILAKIS2

Affiliation

  1. Centre for Renewable Energy Sources, 19th Km Marathon Avenue, 19009 Athens, Greece
  2. Department of Production Engineering & Management, Technical University of Crete, GR-73100, Chania, Greece

Abstract

Geothermal energy is the heat of the earth included in the rock matrix (90%) and the pore fluid (10%). It is renewable, all time available with a beforehand-predicted power generation potential. After defining the main parameters of a geothermal resource (area, volume, geology, geochemistry, temperatures, fluid properties, etc.) geothermal resources can be estimated by (i) calculating the natural heat flow of the area, (ii) by calculating the stored heat and multiplying it by the recovery factor and the conversion efficiency and expressing the result as MWe of installed power over a 20-25 years period, and (iii) by computer simulation of reservoir parameters under possible exploitation scenarios..

Keywords

Geothermal Resources, Power Generation, Geothermal Exploration Surveys, Natural Heat Flow Method, Stored Heat Method, Reservoir Simulation Method, Renewable Energy Sources.

Submitted at: March 13, 2008
Accepted at: May 14, 2008

Citation

D. MENDRINOS, C. KARYTSAS, P. S. GEORGILAKIS, Assessment of geothermal resources for power generation, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 5, pp. 1262-1267 (2008)