Monday, October 28, 2013

Technology:

Urban Underground Holds Sustainable Energy (Product Design & Development)

Groundwater aquifers in conurbations hold geothermal energy – researchers develop model of heat flux into the underground


Where does the heat in the underground of large cities
come from? Researchers analyzed various factors.
(Courtesy AGW/KIT)
Vast energy sources are slumbering below big cities. Sustainable energies for heating in winter and cooling in summer may be extracted from heated groundwater aquifers. Researchers from Karlsruhe Institute of Technology (KIT) and Eidgenössische Technische Hochschule Zürich (ETH Zurich) developed an analytical heat flux model and found that increasing heat in the underground is mainly caused by an increase in surface temperatures and heat release from buildings.

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