Geothermal pump efficiency

Renewable energies except solar electric or thermal (seeforums dedicated below): wind turbines, energy from the sea, hydraulic and hydroelectricity, biomass, biogas, deep geothermal energy ...
champ
I learn econologic
I learn econologic
posts: 37
Registration: 29/12/04, 08:41

Geothermal pump efficiency




by champ » 23/04/10, 11:21

Hello

what is the cost of kw produced by geothermal energy?

how does the efficiency evolve with the capture temperature (for water)?
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dedeleco
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Registration: 16/01/10, 01:19
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by dedeleco » 23/04/10, 15:06

The yield is at best like the Carnot's principle (temperature difference between hot and cold) divided by temperature of the hot (absolute temperature is usual temperature plus 273 ° C) !!
Often very inferior !!!
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